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Verification of prerequisites for Domain Controller promotion failed in Windows Server 2012 R2 RRS feed

  • Question

  • Verification of prerequisites for Domain Controller promotion failed. The TCP ports required by Active Directory Domain Services are already in use on this computer. You must remove or reconfigure the services that are currently using these ports (88, 389, 636, 3268, 3269).

    How do I fix this?

    Wednesday, June 3, 2015 3:43 AM