Unable to start Plesk migration from DirectAdmin with AlmaLinux to Plesk server:’directadmin’ (203.0.113.2) is not supported

Symptoms

Unable to start Plesk migration from DirectAdmin with Almalinux OS installed:

Failed to deploy Python on source server
Cause: Source server OS 'linux None x86_64' on the source server 'directadmin' (203.0.113.2) is not supported
This is a critical error, migration was stopped

Cause

Plesk Migrator bug with ID PMT-5007.

Resolution

Until the bug is fixed apply the following workaround:

1. Connect to the server via SSH.

2. Open the /usr/local/psa/admin/plib/modules/panel-migrator/backend/lib/python/parallels/core/utils/os_version.py file in a text editor:

   # vi /usr/local/psa/admin/plib/modules/panel-migrator/backend/lib/python/parallels/core/utils/os_version.py

3. Replace the line as below:

   • Before:

     if "CentOS" in release_info:

   • After:

     if "CentOS" in release_info or "AlmaLinux" in release_info:

4. Save the changes and close the file.

5. Start the migration anew.