FIX: Active Directory Replication errors: The RPC server is unavailable. Or The target principal name is incorrect. Or The Kerberos client received a KRB_AP_ERR_MODIFIED error.
Scenario: One of your Site Domain Controller went Out-of-Sync (unable to communicate) for 10-15 days with your PDC. When you attempt to make replication from that server to the PDC, you’ll end receiving below error messages: REPADMIN /SHOWREPS, results in error “The target principal name is incorrect.” as shown below: C:\>REPADMIN /SHOWREPSHYD-Network\INDHYD-DC02DSA Options: IS_GCSite Options: IS_GROUP_CACHING_ENABLEDDSA object GUID: 57014cf3-43d0-4f07-8cab-83f0b99o256eDSA invocationID: 1acac066-b749-44fa-b142-9d142e505b55 ==== INBOUND NEIGHBORS ====================================== DC=mylab,DC=lan US-Network\US-DC01 via RPC DSA object GUID: f9719614-f32a-4bbd-842a-2fb144f83680 Last attempt @ 2016-06-30 13:15:09 failed, result -2146893022 (0x80090322): The target principal name is incorrect. 295 consecutive failure(s). Last success @ 2016-05-27 21:22:30. CN=Configuration,DC=mylab,DC=lan US-Network\US-DC01 via RPC […]