Category Archives: Active Directory

Unable to promote a server to a domain controller

During one of the activities with the demo environment I faced an issue that I was unable to promote any server to DC, and was giving the errors:

ADPrep execution failed –> System.ComponentModel.Win32Exception (0x80004005): A device attached to the system is not functioning.
Check the log files in the C:\Windows\debug\adprep\logs\20220518075032 directory for detailed information.

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