Article ID: 117737, created on Oct 6, 2013, last review on Jun 17, 2016

  • Applies to:
  • Plesk 12.5 for Windows
  • Plesk 12.0 for Windows
  • Plesk 11.5 for Windows


  1. It is not possible to create a subscription.

  2. It is not possible to open File Manager.

Both actions fail with this error:

    Error: System user update is failed: Unable to create system user: Unable to execute usermng: no such table: ImpersonationUsers (Error code 1)


The impersonation storage file is missing.


  1. Download the attached empty database scheme.

  2. Place it in %plesk_dir%\admin\db\ImpersonationCache.db.

  3. Run the following command to sync impersonation storage with the Parallels Plesk database:

    "%plesk_cli%\repair.exe" --synchronize-impersonation-storage

Search Words

Access denied after upgrade

invalid value


Internal error: filemng failed: no such table: ImpersonationUsers (Error code 1)

Unable to dump site applications on

permison problem

Internal error: no such table: ImpersonationUsers (Error code 1)

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