Before you can transfer data to Parallels Plesk Panel, you need to do the following:
To install it through the Server Administration Panel, go to Tools & Settings > Updates and Upgrades. The Parallels Installer web interface will open in a new window or tab. In the Installer window, click Add Components, select the checkbox corresponding to the Migration & Transfer Manager component, and click Continue.
To install Migration & Transfer Manager from the command line, run the Parallels Installer on the destination server as described in the section Upgrade from the Command Line and add this component.
When migrating from Windows platforms, allow TCP connections to the ports 6489 (Migration & Transfer Manager). When migrating from Linux, allow TCP connections to the port 22 (SSH).
1. Databases without users will not be transferred.
2. MySQL databases with users that employ pre-4.1-style passwords will not be transferred. You should change their password to the 4.1 style before the transfer. Learn more about MySQL passwords in the official MySQL documentation.
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