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AZ-802 · Monitoring and troubleshooting · Monitoring and troubleshooting | Troubleshoot Windows Server issues · AD DS · AD DS | Deploy and manage AD DS domain controllers

Practice question 504 of 506 · hard

Members in several domains show increasing clock skew and Kerberos failures. The forest-root PDC emulator is configured to use an unreliable external source. Which design correction addresses the hierarchy?

Choose the single best answer.

  1. A.Move the schema master and assume that automatically changes the authoritative time configuration
  2. B.Configure the forest-root PDC emulator with a reliable external time source and verify that the rest of the domain hierarchy uses the intended domain synchronization path
  3. C.Run a one-time resynchronization on members while leaving the unreliable hierarchy source unchanged
  4. D.Point every domain member at a different random public time source to eliminate hierarchy dependencies
Show the answer and explanation

✓ Correct answer

  • Configure the forest-root PDC emulator with a reliable external time source and verify that the rest of the domain hierarchy uses the intended domain synchronization path

The forest-root PDC emulator should use a reliable source, with downstream domain synchronization verified. Random independent sources can disagree; schema-master movement does not set time authority; a one-time member resync can recur against the unchanged unreliable source.

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