Plesk Restore Fails with "Class not registered" and/or "COM error"

Plesk Restore Fails with "Class Not Registered" and/or COM Error


When using the Plesk Restore tool to restore a backup or migrate a site, you receive an error. The details of the error contain the phrase "Class not registered" or "COM error"

This is caused by Plesk libraries and services becoming unregistered.

  1. Log into your dedicated server using Remote Desktop.
  2. Click on Start > Run and executing the following command
regsvr32 "%plesk_bin%\capicom.dll"

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