Plesk shows HTTP Error 503. The service is unavailable: imodrewi.dll failed to load. The data is the error

Created:

2016-11-16 12:54:12 UTC

Modified:

2017-04-24 11:19:28 UTC

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Plesk shows HTTP Error 503. The service is unavailable: imodrewi.dll failed to load. The data is the error

Applicable to:

  • Plesk 12.0 for Windows

Symptoms

  • Unable to access Plesk due to the following error in web browser:

    HTTP Error 503. The service is unavailable.
  • Application pool PleskControlPanel is stopping everytime when trying to access Plesk.

  • In Event Viewer the following error can be found:
    The Module DLL C:\\Windows\\system32\\inetsrv\\imodrewi.dll failed to load. The data is the error.

Cause

Incorrect permissions for module folder.

Resolution

Assign full access for psaadm user for C:\\Program Files\\Micronovae folder.

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