When you access the property page for a Server hosting OWA you receive error:
An error occurred while configuring the property dialogue and it must close. Please close and restart the MessageStats console. Unable to created property page for OWA Report Pack (QmsOWA_UI.OWAPropPage) Invalid class string.
When you close the MessageStats Console and reopen you receive the same error.
A Class Identifier was not registered successfully with COM on the MessageStats Server when the OWA Report Pack was installed.
Or
The Class Identifier was corrupted or unregistered on the MessageStats Server.
Uninstalling and re-installing the OWA Report Pack will resolve this issue.
Note: The Database portion does not need to be removed.