Article ID: 111825, created on Aug 8, 2011, last review on Aug 12, 2014

  • Applies to:
  • Plesk 10.x for Windows


According to the Migration Guide, migration from Helm is not supported. When attempting to migrate from Helm, users receive the following message:

"Error: No migration agents found. Data migration is not available. "

PHP Notice: Undefined variable: scouts in C:\Program Files\Parallels\Plesk\admin\plib\backup\MigrationAgentForm.php on line 64


This warning does not affect anything; please ignore it.
Support of migration from Helm 3 single server will be released in Aug, 2011.

Additional information

For now, you can try to perform migration in the beta stage from Helm. Details are included in the following article: How to migrate single-server Helm 3 to Plesk 10.3

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