This file contains information that supplements the Parallels Plesk Panel documentation, such as requirements, information about new features, resolved bugs, and known problems. This file was updated with the latest information available at the time of release.
[+] new feature
[-] bug resolved
[*] bug resolved and functionality improved
[+] Kaspersky antivirus version 8 support is added. For details, see http://kb.parallels.com/en/111566
[+] Red Hat Enterprise Linux 6.0 support is added.
[-] Issue resolved: An IP address could not be added to the mail server white list if it was in DNS zone file.
[-] Issue resolved for Postfix: Messages sent to several mailing lists with Postfix were actually delivered to only one mailing list.
[-] Issue resolved for Postfix: mail server bounced mail messages sent to a domain with mail service turned off and mail to non-existent users bounce set up, instead of redirecting the mail to an external mail server defined with MX record in the DNS zone.
[-] Issue resolved for Postfix: sqlite3 error appeared in log files upon an authentication with the CRAM-MD5 method, while the authentication was actually successful.
[-] Issue resolved: The spam training process "spammng" occupied all memory on the Plesk server, and as a result the Spam Filter Training tab was shown incorrectly.
[-] Issue resolved: Reduced upgrade time on servers with a lot of mailboxes.
[-] Issue resolved for Qmail: If there were a redirect and a mail group configured on a mailname to point at the same e-mail address, upon the redirect removal, the address was removed from the mail group as well. For details, see http://kb.parallels.com/en/6072
[-] Issue resolved for Postfix: Plesk changed the order of "smtpd_client_restrictions" rules that were added manually to the Postfix configuration file if black list was enabled via Plesk GUI. For additional details, see http://kb.parallels.com/en/9062.
[-] Issue resolved for Postfix: Now Plesk strictly configures Postfix for using IPv4.
[-] Issue resolved: SPF spam protection worked incorrectly: all messages were resolved only as "neutral" or "pass", and local rules were ignored — a default whitelist was always used.
[-] Issue resolved for Qmail: Neither successful nor failed CRAM-MD5 authentications were added to mail server log files.
[-] Issue resolved: A domain alias was still scanned for spam even though spam filtering was turned off for the mail account. For more details, see http://kb.parallels.com/en/9278.
[-] Issue resolved for Qmail: Mail handlers were used for local deliveries, which could lead to failing a message delivery when it was sent to an alias on the same host.
[-] Issue resolved: When greylisting was enabled, it rejected the mail messages that users authorized via SMTP tried to send to local and remote recipients.
[-] Security vulnerability in ProFTPD which allowed unauthenticated attackers to execute remote code and compromise a server was fixed.
[+] Compatibility with Parallels Virtuozzo Containers 4.6.
[*] Google Services for Websites localization - now Google Services for Websites can be used in the same language as your current Parallels Plesk Panel locale.
[*] Stability of Postfix queue was increased to avoid the queue file write error.
[-] Virtuozzo promotion in the top frame of Parallels Plesk Panel is removed.
[-] Domains that exceeded limits are not suspended on a server with a lot of domains bug is fixed.
[-] SSL is available for subdomains, but a configuration file for SSL connection is not supported by subdomains bug is fixed.
[-] The size of mail log file is growing and logs are not properly rotated bug is fixed.
[-] Subdomain switching to PHP in FastCGI is applied to consequent subdomains bug is fixed.
[-] Executing statistics tool causes segmentation fault in Postfix when the size of mail log is large bug is fixed.
[-] The Parallels Plesk Panel server does not update traffic of the clients bug is fixed.
[-] The statistics utility generates directories in the wrong format for all domains when invoked after backup restoration or migration bug is fixed.
[-] It takes almost four minutes to open a domain's hosting preferences page bug is fixed.
[-] Problem in libspf which causes incorrect work of SPF rules bug is fixed.
[-] Domain user cannot log in to the server with SFTP, the error 'connection closed' is returned bug is fixed.
[-] Some countries are not listed at the Add SSL Certificate page, so customers cannot generate a CSR bug is fixed.
[+] Red Hat Enterprise Linux 5.5 support is added.
[+] CentOS 5.5 is added.
[-] Migrating Java applications fails bug is fixed.
[-] In some cases after upgrade, the old version of Horde remains registered in Plesk when actually Horde was successfully upgraded bug is fixed.
[-] Impossible to change mail account password from Horde webmail interface bug is fixed.
[-] After upgrade, Horde stops accepting short usernames (without the "@doman" part) bug is fixed.
[-] After upgrade, Horde Kronolith calendar works with errors and fails to create events bug is fixed.
[-] After upgrade, mobile browsers return the Not Found error when trying to access Horde webmail bug is fixed.
[-] Browser returns error when trying to access an Address Book on Horde webmail after upgrade bug is fixed.
[-] When migrating to CentOS 5 under Parallels Virtuozzo Containers, Migration Manager returns "internal server error" upon migration of some mail accounts, while the accounts seem to be migrated properly bug is fixed.
[-] Migration Manager reports that dump validation failed due to invalid value of the "enabled" attribute of mail redirects for some mail accounts where mail redirection is set up but disabled bug is fixed.
[-] When upgrading from Plesk versions earlier than 8.6, serial number of DNS zone was set to "0" bug is fixed.
[-] After migration from Plesk versions earlier than 8.6, site applications are not shown in the Panel if the APS package release on target host differs from that on the source while the app version is the same bug is fixed.
[-] After upgrade, installation of site applications fails on domains where files/folders permissions were set to wrong values bug is fixed.
[+] Support for new hypervizor virtualization solutions: the Panel operates in environments created with KVM and Parallels Server 4 Bare Metal.
[+] SpamAssassin 3.3.1 support for Fedora 11.
[-] Backup task starts even if there is not enough disk space on the server bug is fixed. For details, see the Backup and Restore Utilities Administrator's Guide available at http://download1.parallels.com/Plesk/PPP9/Doc/en-US/plesk-9.5-backup-cli-guide/index.htm?fileName=64885.htm.
[-] Backup scheduled to run weekly did not work bug is fixed.
[-] Scheduled backups are not created in FTP repository if the repository server works in FTP passive mode bug is fixed.
[-] Removing backup located in FTP repository failed with "FTP network error" bug is fixed.
[-] When setting up FTP backup repository, defining username like "firstname.lastname@example.org" is impossible bug is fixed.
[-] The Panel resets permissions on folders inside the httpdocs and httpsdocs directories to "755" during migration bug is fixed.
[-] Migration hanging at 50% bug is fixed.
[-] User password was changed event handler is added.
[+] Free migration, installation and upgrade assistance — to help our customers start using Parallels Plesk Panel 9.5, Parallels provides free support for migration, installation and upgrade of the Panel.
NOTE: Providing free assistance changes licensing options for the Parallels Plesk Panel, so it is required that you obtain a new license for the version 9.5 in the Parallels Online Store located at http://www.parallels.com/store/plesk/.
[+] PCI Compliance — Parallels Plesk Panel can be made compliant with the Payment Card Industry Data Security Standard. This can be achieved by running a special PCI compliance resolver utility and additional tuning of system components, as described in the document Achieving PCI Compliance for Servers Managed by Parallels Plesk Panel 9.5. The document is available at http://download1.parallels.com/Plesk/Panel9.5/Doc/en-US/plesk-9.5-pci-compliance-guide/.
[+] Compatibility with Microsoft Internet Explorer 8 — Parallels Plesk Panel is now compatible with Microsoft Internet Explorer 8.
[+] Google Services for Websites support (beta) — Parallels Plesk Panel 9.5 can now be integrated with Google Services for Websites. To learn more, refer to Parallels Plesk Panel 9.5 Administrator's Guide at http://download1.parallels.com/Plesk/PPP9/Doc/en-US/plesk-9.5-administrators-guide/64635.htm.
IMPORTANT: Currently, this functionality is provided in the Beta state for testing purposes only. Do not try using in a production environment.
[+] More virtualization solutions supported: Parallels Plesk Panel 9.5 can operate in virtual environments created by the following virtualization solutions: Parallels Virtuozzo Containers, Microsoft Hyper-V, Xen, and VMWare. There are special licensing options for Parallels Panel software operating inside virtual environments. For more information about licensing options, contact your vendor or call Parallels sales team. The phone numbers are listed at http://www.parallels.com/contact/.
[+] CloudLinux support — Parallels Plesk Panel can now work under CloudLinux operating system.
[+] Upgraded components: ProFTPD was upgraded to the version 1.3.2e, phpMyAdmin to the version 2.9.11, and Horde Application Framework to the version 3.3.6.
[+] Dr. Web antivirus component goes under the name Parallels Premium Anitivirus.
[-] Migration of websites from Plesk Control Panel 7.5.4 to Parallels Plesk Panel 9.2.1 failed if the SpamAssassin spam filter was configured to remove spam e-mail issue is resolved.
[-] An unauthenticated remote attacker being able to compromise the system and gain control over it security issues were resolved.
[-] Cross-site scripting vulnerability was eliminated.
[-] ProFTPD 1.3.1 was prone to a security vulnerability that allowed attackers to perform cross-site request forgery types of attacks issue is resolved by upgrade of ProFTPD to the version 1.3.2e.
[-] If a temporary directory on the server was full, FTP network error occurred on attempt to move a file from an FTP storage to the server repository issue is resolved.
[-] Migration failed if the /tmp file system was full issue is resolved. Now you can specify any other location for the temporary directory.
[-] If, in Parallels Plesk Panel, there is a domain with the same name as server's hostname, then a message sent to postmaster@$HOSTNAME is bounced back issue is resolved.
[-] During upgrade, the default client and domain template values were reset issue is resolved.
[-] Plesk 8.x key was not updated automatically to 9.x during product upgrade issue is resolved.
[-] After upgrade, var/qmail/control/me file contained only the hostname issue is resolved.
[-] Scheduled security scanning by Watchdog (System Monitoring) Module could not start issue is resolved.
[-] Postfix mail server occasionally failed to deliver some e-mail messages with the "Unprocessed command" errors issue is resolved.
[-] SpamAssassin spam filter incorrectly classified most of the messages delivered in the year 2010 as spam issue is resolved.
[-] After upgrading Parallels Plesk Panel from versions 8.x to 9.x, scheduled backups could stop working issue is resolved.
[-] Horde webmail did not open properly in Internet Explorer 8 issue is resolved.
[-] Web statistics were not calculated properly when the piped logs feature was switched on issue is resolved.
[-] The Watchdog (System Monitoring) Module showed security warnings (false positives) due to incorrect default configuration issue is resolved.
[+] Apache port change — you can change Apache Web server port to use a lightweight high-performance Web server, such as
nginx, as a front-end Web server, and move Apache Web server to back-end.
[-] Certificates from repository of domain set on exclusive IP address are reset when domain backup is restored bug is fixed.
[-] Applications link appearing in the left frame for domain administrator's main menu when it is not supported by license bug is fixed.
[-] Enabled mail greylisting loads server's CPU/memory hard bug is fixed.
[-] Applying pattern not listed in greylisting configuration bug is fixed.
[-] Timeout in postfix-queue prohibiting to send messages with big attachments from Parallels Plesk Panel server bug is fixed.
[-] Syntax error in backup-unpack bug is fixed.
[-] If a message cannot be sent, sender receives a message with invalid field from=#@ bug is fixed.
[-] Installation on CentOS 5.4 failed bug is fixed.
[-] Several security issues were resolved.
[+] Fedora 11 — Parallels Plesk Panel is compatible with new Fedora operating system.
[+] Improved Updates — Improved updates functionality provides you with quicker and timely hotfixes and component updates.
[-] DomainKeys adding an improper comment header to e-mail messages bug is fixed.
[-] Inability to update httpd on CentOS 5 and RHEL 5 if psa-tomcat-configurator is installed bug is fixed.
[-] Web applications crashing because php.ini was not preconfigured for FastCGI bug is fixed.
[-] High CPU load caused by authpsa processes bug is fixed.
[-] Passwords of similar e-mail aliases being updated unintentionally bug is fixed.
[-] Tomcat Java applications not working after the upgrade bug is fixed.
[-] Domains that exceeded resource limits are not suspended on servers with a lot of domains bug is fixed.
[-] Statistics utility failing with segmentation fault on openSUSE 10.3 bug is fixed.
[-] Mail queue utility mailqueuemng only lists messages from deferred queue when Postfix mail server is used bug is fixed.
[-] Files processed by mail handlers are created with random permissions bug is fixed.
[-] Mail forwarding not working and reporting broken pipe error when Postfix mail server is used bug is fixed.
[-] Local mail delivery not working when Qmail mail server is used bug is fixed.
[-] Inability to switch default interface language to another language if Parallels Plesk Panel license key has zero additional languages bug is fixed.
[-] Mail malfunctioning due to buffer length limitation in spam handlers bug is fixed.
[-] Postfix mail server crashing with segfault error on processing messages with strings larger than 4096 characters bug is fixed.
[-] High CPU load caused by relaylock processes bug is fixed.
[-] No support for UI pointers in root.controls.lock file bug is fixed.
[-] Old credentials still working and error displayed in the Panel if mail account name and password are changed at the same time bug is fixed.
[-] Automatic removal of mailing lists with names similar to the one actually being removed (or disabled) under Qmail bug is fixed.
[-] Messages sent to a non-existent user locally (with transport other than SMTP) were stuck in mail queue instead of being rejected under Postfix bug is fixed.
[+] Dr.Web 5 — Parallels Plesk Panel 9.2.2 is shipped with the newest version of Dr.Web antivirus software.
[+] Greylisting — Greylisting spam filtering is now available in Parallels Plesk Panel.
[+] Migration Manager — New Migration Manager feature allows you to transfer your data from other Parallels Plesk Panel installations.
[+] Migration from cPanel — Migration Manager now supports migration from cPanel to Parallels Plesk Panel.
[-] Courier-IMAP shipped with Parallels Plesk Panel not supporting mailbox quota larger than 2 GB bug is fixed.
[-] DNS record <lists.> being duplicated if it exists in DNS zone template and a domain is created with Mailman mailing list enabled bug is fixed.
[-] Autoresponder replying with incorrect FROM address when incoming message was sent to multiple addresses bug is fixed.
[-] Mail aliases not synchronized correctly with corresponding mail account bug is fixed.
[-] Incorrect hint for server-wide black list bug is fixed.
[-] Messages sent to a mail group are not delivered to the sender when Postfix mail server is used bug is fixed.
[-] New IP addresses not being added to webmail configuration files, leading to inability to access webmail bug is fixed.
[-] Mailbox quota set incorrectly via API-RPC bug is fixed.
[-] File manager unable to enter the folder with name '0' bug is fixed.
[-] Postfix not being able to send e-mail messages with attachments bug is fixed.
[-] Outgoing mail from domain aliases not being signed by DomainKeys bug is fixed.
[-] "proc_close() failed: mktime()" error displayed upon activation of new firewall rules bug is fixed.
[-] Qmail unable to write or delete smtp_poplocks, displaying errors like "Unable to delete expired smtp_poplocks: database is locked" bug is fixed.
[-] Backup failing with "Could not parse status disabled by value '32'" error bug is fixed.
[-] Inability to authenticate via IMAP/POP3 after upgrade bug is fixed.
[-] Backup file content not being properly restored due to incorrectly applied restore conflicts resolution policy bug is fixed.
[-] Client-related information not shown in custom button's query string even when it is required bug is fixed.
[-] Domain aliases not inheriting domain's mail policy settings when Postfix mail server is used bug is fixed.
[-] Red color of traffic indicator on a domain bug is fixed.
[-] Acronis True Image Server Module not working bug is fixed.
[-] Inability to update scheduled task due to 'Object not found: Scheduled Task' error bug is fixed.
[-] SpamAssassin not checking mail sent to mail account aliases bug is fixed.
[-] Parallels Plesk Panel not checking availability of mailing lists created directly through Mailman bug is fixed.
[-] No warning about remote FTP repository not being set up when trying to schedule a backup task to remote FTP repository that has not been set up yet bug is fixed.
[-] Mail group members receiving messages with empty subject from "POP3 service user" when sending message to mail group bug is fixed.
[-] Inability to restore data from backup file larger than 2GB bug is fixed.
[-] Database users not being restored properly during the restoration of a domain that already exists in the system bug is fixed.
[-] DNS records not migrating properly due to 'mail.<domain>.' CNAME record bug is fixed.
[-] Missing link to the description of event handler variables in documentation bug is fixed.
[-] Default language information not being backed up for domain administrator accounts bug is fixed.
[-] Autoresponder trying to send autoreplies to spam messages bug is fixed.
[-] Mail aliases using reserved system aliases such as 'info' not delivering mail bug is fixed.
[-] Running PHP as FastCGI application causes 403 Forbidden error when trying to access the website bug is fixed.
[-] Autoresponder on a mail alias missing after upgrade to Parallels Plesk Panel 9.0.x bug is fixed.
[-] Backup Manager incorrectly reporting warnings as errors when used via CLI bug is fixed.
[-] Inability to access backup file with "Unable to find Backup dump object" error on openSUSE 11 bug is fixed.
[-] "SMTP AUTH" option not working in Qmail, leading to inability to authenticate with Outlook mail client bug is fixed.
[-] Postfix incorrectly reporting an error when mail handler returns STOP bug is fixed.
[-] Statistics utility not reconnecting to MySQL and causing statistics calculation to fail bug is fixed.
[-] migration.log file is stored in $HTTPD_VHOSTS_D bug is fixed.
[-] Inability to remove exclusive IP addresses from client and reseller template IP pools, where these IPs are still displayed as shared bug is fixed.
[-] Wordpress not requesting the requirement to have safe_mode off bug is fixed.
[-] The option 'check for simple mail passwords' not working on 64-bit systems bug is fixed.
[-] Inability to make an application from the Application Vault available to all users bug is fixed.
[-] Webmail not working on a domain if domain's IP address was added after webmail was set up on the server bug is fixed.
[-] Inability to install Application Vault applications if open_basedir parameter is switched on bug is fixed.
[-] Converted backup file is not recognized as a valid backup file bug is fixed.
[-] Backup creation time is displayed in GMT instead of actual time bug is fixed.
[-] Overuse policy cannot be changed if limits are already exceeded bug is fixed.
[-] Syntax errors in SELinux policy configuration file on RHEL 4 bug is fixed.
[-] Size of backup file located on remote FTP server being reported incorrectly bug is fixed.
[-] 'Unable to get options for SPF filter' error reported when mail is sent from localhost bug is fixed.
[-] Cannot remove non-existent IP addresses using Parallels Plesk Panel GUI bug is fixed.
[-] Updating Parallels Plesk Panel license key via GUI hangs Parallels Plesk Panel under some circumstances bug is fixed.
[-] IP addresses removed from Parallels Plesk Panel GUI are not removed from Apache configuration bug is fixed.
[-] Backed up content of web users' websites is corrupted when backup file is converted to Parallels Plesk Panel 9 compatible format bug is fixed.
[*] DNS Settings for a domain on domain Home page — DNS Settings button for a domain is now located on domain's Home page.
[*] Configuring Parallels Plesk Panel to work behind NAT — Instructions for configuring Parallels Plesk Panel to work behind routers and NAT were added to Administrator's Guide.
[*] Bugfixes and improvements — A number of issues reported by the customers were resolved, multiple other bugfixes and improvements were made.
Parallels Plesk Panel 9.5.4 for Linux/Unix requires one of the following operating systems installed on the server:
Parallels Plesk Panel 9.5.4 for Linux/Unix distribution packages include the following components:
Web administration tools:
Spam filtering tools:
We strongly recommend that you refer to the product installation instructions prior to upgrading/installing and operating Parallels Plesk Panel. The installation guide for Parallels Plesk Panel can be accessed at http://www.parallels.com/en/products/plesk/docs/, along with the rest of the user documentation. Parallels Plesk Panel Knowledge Base can be accessed at http://kb.parallels.com.
Before starting installation, back up any valuable data on the server.
'/etc/init.d/boot.apparmor stop'and remove it from start-up list by
'chkconfig --del boot.apparmor stop'.
'setenforce 0'in shell. After you have installed Parallels Plesk Panel, switch SELinux on by running command
NOTE: If you are going to host more than 300 web sites on the Parallels Plesk Panel server, recompile Apache as described in the KB article at http://kb.parallels.com/en/2066 or in Parallels Plesk Panel 9.5 for Linux/Unix Advanced Administration Guide.
Note that the EZ template for Parallels Plesk Panel 9.5 is called
NOTE: Installing the Panel using EZ templates does not automatically apply the latest product updates which are installed by Parallels Products Installer as microupdates. For information on how to apply microupdates after installating EZ templates, refer to http://kb.parallels.com/en/7110.
# Auxiliary parameters -PRIVVMPAGES="262144:292912" +PRIVVMPAGES="362144:392912" -NUMFILE="8192:8192" +NUMFILE="12000:12000" # Disk quota parameters (in form of softlimit:hardlimit) -DISKSPACE="1048576:1153434" +DISKSPACE="5240709120:5368709120" -DISKINODES="200000:220000" +DISKINODES="350000:370000" # Secondary parameters -KMEMSIZE="21299200:23429120" +KMEMSIZE="24299200:26429120"
IMPORTANT: To install Postfix mail server, you have to select the Postfix component for installation in Parallels Products Installer. Both command line interface and Web interface of Parallels Products Installer can be used for selecting and installing Postfix mail server.
To install Parallels Plesk Panel software on a server:
# chmod +x parallels_products_installer_file_name
#export LANG=C #export LANG_ALL=C
# ./parallels_products_installer_file_name --web-interface
Open your browser and enter https://hostname:8447/ or https://IP-address:8447/ in the address bar. The Parallels Product Installer Web interface will open. Log in as root.
In order to finish the initial configuration of Parallels Plesk Panel, log in to Parallels Plesk Panel on your server at https://domain.name:8443/ or https://IP-address:8443/.
The default username is "admin" and the default password is "setup". Both are case-sensitive. For security reasons the password must be changed upon initial login.
You also need to obtain and install a license key suitable for Parallels Plesk Panel 9.5 .
IMPORTANT: Make sure you upgrade all installed components when upgrading to a newer version of Parallels Plesk Panel. This is required to avoid conflicts caused by outdated components.
To upgrade your Parallels Plesk Panel software from its user interface, refer to Parallels Plesk Panel Installation Guide available at http://download1.parallels.com/Plesk/PPP9/Doc/en-US/plesk-9.5-unix-installation-guide/index.htm
To upgrade your Parallels Plesk Panel software by means of Parallels Products Installer:
# chmod +x parallels_products_installer_file_name
#export LANG=C #export LANG_ALL=C
# ./parallels_products_installer_file_name --web-interface
Open your browser and enter http://hostname:8447/ or http://IP-address:8447/ in the address bar. The Parallels Product Installer Web interface will open. Log in as root.
Parallels Products Installer supports updating Parallels Plesk Panel inside Parallels Virtuozzo Containers using EZ templates. Updating through EZ templates saves disk space and allows running more containers on a single hardware node.
NOTE: Upgrading with EZ templates does not automatically apply the latest product updates which are installed by Parallels Products Installer as microupdates. For information on how to apply microupdates after upgrading with EZ templates, refer to http://kb.parallels.com/en/7110.
This feature is available only when using EZ templates. To upgrade a container with Parallels Plesk Panel this way:
If you are using Virtuozzo 3.x:
vzlinkmgrservice, run the following command:
# /etc/init.d/vzlinkmgr start
If you are using Virtuozzo 4.x:
Change the line 32 in the file /usr/sbin/vzaiproxy to the following:
DefaultAgentCmd = ('vzctl', 'exec', '1', '/opt/vzagent/bin/vzlcon')
# /etc/init.d/vzlinkmgr start
To get the latest OS updates for servers based on CentOS:
Unable to install old Kaspersky Antivirus module (psa-kav package) on RedHat EL 6, new Kaspersky Antivirus 8 (psa-kav8 package) installs instead.
PostgreSQL 8.4 is not supported. Plesk installation fails with "error: package postgresql-server is not installed" if PostgreSQL 8.4 is installed on a server before Plesk. To resolve this issue, remove PostgreSQL 8.4.
Apache on CloudLinux 5.4 may return blanks instead of PHP pages. To resolve this problem, download and install all updates using the command
yum update and restart the system if the kernel was upgraded.
After installing Plesk on CloudLinux 5.4, CPU load by the httpd process increases significantly. This happens because the Apache module mod_sucgid, which provides the LVE technology, requires the /dev/lve device that is absent in the system. To install LVE, run the following command:
# yum install mod_hostinglimits
Ruby on Rails applications do not work (the Internal Server Error is returned) after upgrade on SuSE 11.0 and CentOS 5.
Postfix is stopped after upgrade on Fedora Core 5 and Fedora Core 6.
Large MySQL databases fail to migrate.
Subdomains with name webmail (webmail.example.com) are not migrated.
Migration does not start with the following error: “Error: No migration agents found. Data migration is not available.” in case custom entries present in the ~/.bashrc for SSH account on the source server. To resolve this issue, refer to the KB article at http://kb.parallels.com/en/8495.
Migration task hangs if migrating more objects (for example, domains) than the number allowed by the license.
Installation of Kasperskiy Anitivirus via EZ template fails on openSuSE 11.0 x64.
Postfix 'spawn' and 'pipe' are not allowed if selinux is turned on. The only way to resolve the issue is to switch selinux off.
Execution of malware detection service of Watchdog (System Monitoring) module can affect performance of Parallels Virtuozzo Containers nodes because it will run on all Parallels Plesk Panel instances at the same time.
It is highly recommended to specify the EZ template of the mail server which you want to use (plesk9.5-qmail or plesk9.5-postfix), when you install Parallels Plesk Panel using EZ templates.
After upgrade to Parallels Plesk Panel 9.2.1 or later, the following or similar errors can be encountered in
maillog log files:
These errors can be ignored.
Unable to get black list record from Plesk database: Table 'psa.GL_remote_domains' doesn't exist
Do not deselect Qmail Mail Server or Postfix Mail Server components during the upgrade to Parallels Plesk Panel 9.2.1 or later because deselecting these components can lead to incorrect work of greylisting.
SpamAssassin will not function properly in Parallels Plesk Panel installed on Fedora Core 4 with SELinux active.
Before upgrading Parallels Plesk Panel from 8.x to 9.x on openSUSE 9.3 server using STD VZ templates via Parallels Business Automation Standard, you need to remove the psa-fcgid-suse93 template and all templates depending on it before starting the upgrade procedure.
By default, TLS support is switched off for Postfix mail server due to Postfix using self-signed SSL certificate. To enable TLS support for Postfix, install a valid SSL certificate and issue the following command:
# postconf -e 'smtp_use_tls=yes' # /usr/local/psa/admin/sbin/mailmng --reload-service
Parallels Plesk Billing objects are not backed up and restored by Parallels Plesk Panel Backup Manager.
If you are experiencing issues with delivery of mailing list messages to local recipients, find the file
mailman package on your server and add the following line to the end of this file:
If you are upgrading from Parallels Plesk Panel 9.0.0 and you are using Parallels Plesk Billing, you need to upgrade the billing component when upgrading Parallels Plesk Panel to version 9.5 since Parallels Plesk Billing 6.0.0 from Parallels Plesk Panel 9.0.0 distribution is incompatible with Parallels Plesk Panel 9.5.
Due to the massive amount of changes in Parallels Plesk Panel 9 GUI, old custom (third-party) skins for Plesk 8.x are not compatible with Parallels Plesk Panel 9.0.0 and later. After you upgrade to Parallels Plesk Panel 9.x, all custom (third-party) skins will become unregistered to avoid visual issues.
Language packs for Plesk 8.x are not compatible with Parallels Plesk Panel 9.0.0 and later.
Postfix mail server requires authorization with full mail account names like 'email@example.com', as opposed to short names like 'user' allowed by Qmail. Upon switching from Qmail to Postfix, the authorization mode will change accordingly, and all mail clients configured to authorize using short names will not be able to send or receive mail through your mail server.
Starting with Parallels Plesk Panel 9.0.0 STD VZ templates are supported only for openSUSE 9.3 i386. Only EZ templates can be used on all other operating systems.
STD VZ templates for openSUSE 9.3 i386 now require PostgreSQL template.
If you had perl-184.108.40.206 or earlier installed on the server before the installation of Parallels Plesk Panel 9.0.0 or later, a newer version of mod_perl will be installed on the server by Parallels Plesk Panel. In this case, you might not be able to successfully restart Apache Web server due to mod_perl requiring a newer version of Perl. To resolve this issue, install the latest version of Perl (perl-5.8.8-5 should suffice).
Before creating a domain through CLI for a reseller or a client, make sure that this reseller or client has at least one free IP address in the IP pool for proper domain creation.
If you are using Parallels Plesk Panel in PVC environment, it is strongly recommended to use only the latest operating system templates.
After installing Parallels Plesk Panel with Postfix on a RedHat Enterprise Linux server, Postfix service might be reported as not working while it is actually working correctly. To resolve this issue, simply restart the Postfix service.
If you want to install Parallels Plesk Panel 9.5 with SSO, it is strongly recommended to install SSO version 2.2 to avoid installation errors and ensure proper functioning of Parallels Plesk Panel.
Autoresponder functionality does not work with Qmail mail server on Fedora 8 with SELinux installed.
Native Apache restart script might not work correctly on openSUSE 11 servers under high workload. To resolve this issue, restart Apache manually.
If you are upgrading Parallels Plesk Panel from versions earlier than 8.3 and you use SBM (Sitebuilder Module), please read the Knowledge Base article at http://kb.parallels.com/en/5250 before performing the upgrade.
Users of Internet Explorer 6.0 might encounter minor graphical issues when browsing the list of Web applications in a specific application category. It is recommended to upgrade IE 6.0 to IE 7.0 or use another browser.
Messages are not marked as spam by SpamAssassin in Parallels Plesk Panel 9.2 installed on Fedora 7 inside PVC environment.
Mail services work incorrectly with domains that have case-sensitive names.
It is not recommended to use period in the FTP account password for backing up data to remote FTP locations.
After mail service is switched off on a domain, mail services on all domain aliases of this domain will continue to work.
Atmail Webmail Light 1.0 will be uninstalled automatically if you switch from PHP5 to PHP4 through Parallels Products Installer because Atmail Webmail Light 1.0 is not compatible with PHP4.
Atmail might not be installed when installing Parallels Plesk Panel through EZ templates since Atmail requires PHP5, while EZ templates might install only PHP4 depending on your operating system and system configuration. To resolve this issue, install Atmail before installing Parallels Plesk Panel.
If you want to upgrade Plesk 8.0.x or an earlier version installed through EZ templates to Parallels Plesk Panel 9.0.0 or later, you need to install separate new EZ templates for each installed Plesk module upon the upgrade. Make sure you do not remove the old EZ modules template since this will result in removal of all modules from the Container, otherwise you will have to reinstall the new EZ templates for each module.
SELinux blocks jrun start for ColdFusion. If you are using ColdFusion, you should switch SELinux off with setenforce 0 command.
To avoid issues with inability to remove e-mail messages through Atmail Webmail Light 1.0, go to Atmail settings and select the Auto Delete Trash option.
If you previously used Parallels Plesk Panel with the Sitebuilder module for managing several Sitebuilder servers, after upgrading to Parallels Plesk Panel 9.0.0 or later you will be able to use only one Sitebuilder system installed on the same server where Parallels Plesk Panel is installed: all data will be transferred to Parallels Plesk Panel only from the active Sitebuilder system.
If you are using SSHTerm from Parallels Plesk Panel, make sure that the PasswordAuthentication directive is set to yes in the /etc/ssh/sshd_config file.
Mailing list users are counted as mail accounts for mail accounts limit of the license key.
Authorization with short mail account names can be broken after installation or upgrade of Parallels Plesk Panel with Qmail. To resolve this issue, issue the following command:
Parallels Plesk Panel cannot be installed by means of Parallels Products Installer on a 32-bit Container located in a 64-bit Parallels Virtuozzo Containers 3.x node.
When you install or upgrade Parallels Plesk Panel inside Parallels Virtuozzo Containers using EZ templates, the list of available components in Parallels Products Installer or Parallels Plesk Panel (Server -> Updater) may indicate that some of the components are unavailable. This can mean the following:
If the component was previously installed in a Container, then there are no updates in the repository at autoinstall.plesk.com or the respective EZ template was not installed on a hardware node.
If the component was not previously installed in a Container, then the respective EZ template was not installed on a hardware node.
When installing or upgrading Parallels Plesk Panel in Parallels Virtuozzo Containers using EZ templates, selecting one component in Parallels Products Installer or Parallels Plesk Panel (Home Page > Updates) may result in installation of several components because a single EZ template can correspond to a number of components.
Example: when you select the 'base' component for installation, ASP support for Apache is also installed because 'mod_asp' is a part of the 'base' component.
If you change a SOA record in a domain 98 times during one day, the SOA serial number cannot be changed any more and using the Restore Defaults function removes all the records from the DNS zone.
If you change a SOA record in a domain 98 times during one day, the SOA serial number cannot be changed any more and the DNS service for the DNS zone cannot be switched on/off or switched to slave/master mode.
FCGI Rails is now a system package on Fedora 8, not a Parallels Plesk Panel component. Any problems encountered with your FCGI Rails applications should be reported to Fedora.
If PostgreSQL cannot start after you upgrade to Parallels Plesk Panel 9.0.0 or later on openSUSE 9.3 x32, issue the following command:
# kill -TERM `ps axf | grep postmaster | grep -v grep` # /etc/init.d/postgresql start
If you are going to install Java via EZ templates on openSUSE 10.0, install the required version of Java prior to Parallels Plesk Panel installation.
To avoid Parallels Plesk Panel upgrade issues on a CentOS server with enabled CentOSPlus repository, add the following line to the .autoinstallerrc file:
For example, if you are using CentOS 5.2 i386, the line should look like this:
, http://mirror.centos.org/centos/<release version>/centosplus/<architecture>/"
ADDITIONAL_SOURCE="repomd, 100, http://mirror.centos.org/centos/5.2/centosplus/i386/"
Parallels Plesk Panel servers using Single-Sign On service (required for integration with Parallels Plesk Billing) will not be accessible if Single-Sign On service stops working for some reason. To access Parallels Plesk Panel in this case, you have to switch off the usage of Single-Sign On by going to /usr/local/psa/bin/ and running command sso --disable.
DNSBL will be switched off after the upgrade from Plesk 8.x with enabled DNSBL to Parallels Plesk Panel 9.0.0 or later with Postfix. In this case, you will have to switch DNSBL on manually in Parallels Plesk Panel.
In order for Parallels Plesk Panel to work correctly with Sitebuilder, upload Sitebuilder license key in Sitebuilder before creating Parallels Plesk Panel users with corresponding users in Sitebuilder. Otherwise, you will need to manually update the limits in Sitebuilder plans to avoid limit-related errors in Sitebuilder.
When Parallels Plesk Panel is being installed inside Parallels Virtuozzo Containers by means of Parallels Products Installer using EZ templates, PHP support might not be available for selection in Parallels Products Installer interface. If you happen to encounter this issue, disregard the error message and proceed with installation, because PHP will be installed despite what error text is saying.
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