Failed to examine the Actice Directory Forest. The error was: Expected Value RidMasterDSA.ParentDN not found

have you seen this error before:

failed to promote RID

 

This error can be caused of the DC of holding the RID FSMO is failed to contact and have been deleted.

 

Workaround:

 

Check the FSMO holder by running NETDOM QUERY FSMO.

error rid

 

this could mean that the metadata cleanup of the deleted DC is performed.

 

Solution:

1. try to transfer FSMO to the other existing domain controller.

er1 if failed like below error:

er2

 

We need to seize the FSMO role.

 

2. as Step 1 has failed, use seizing the FSMO role by NTDSUTIL.

solutioncommand:

type NTDSUTIL

-> Roles

-> Connect to Server <DomainController>

->quit

-> Seize rid master

->quit

->quit

verify the FSMO has been moved to other Domain controller.

 

 

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