KB: System Center 2012 R2 Data Protection Manager upgrade fails with ID: 4323 and "A member could not be added"

When you try to upgrade Microsoft System Center 2012 Data Protection Manager (DPM 2012) Service Pack 1 (SP1) to System Center 2012 R2 Data Protection Manager (DPM 2012 R2), the upgrade fails and you receive the following error message:

Error : DPM Setup failed to add a user to the local group. Review the error details, take the appropriate action, and then run DPM Setup again.
ID: 4323. Details: A member could not be added to or removed from the local group because the member does not exist

For more details on this issue and a work around, please see the following:

KB2912500 - System Center 2012 R2 Data Protection Manager upgrade fails with ID: 4323 and "A member could not be added" (http://support.microsoft.com/kb/2912500)

J.C. Hornbeck | Solution Asset PM | Microsoft GBS Management and Security Division

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