You have mixed environment containing Windows Server 2003, Windows Server 2008 R2 and Windows Server 2012 Domain Controllers. After transferring PDC FSMO role to a Windows Server 2008 R2 domain controller, when you restart the domain controller, you may receive the following error message:
Additionally, at the time when the FSMO role was transferred to this Domain Controller, the system event log contains the following event:
STOP: C00002CB Security Accounts Manager initialization failed because of the following error: The system cannot find the file specified.
Error Status: 0xc000034.
Please shut down the system and reboot into Directory Services Restore Mode, check event log for more detailed information.
Error Status: 0xc000034.
Please shut down the system and reboot into Directory Services Restore Mode, check event log for more detailed information.
Additionally, at the time when the FSMO role was transferred to this Domain Controller, the system event log contains the following event: