Log in with credentials to ensure you have the network logon privileges required for the test. 2. Check the Machine Account Attributes
If the DC has been offline longer than the or if the metadata is severely corrupted, the most reliable path may be to perform a metadata cleanup using ntdsutil , demote the server (forcibly if necessary), and re-promote it. Dsreplicagetinfo(Pending_Ops Null) Failed Error 0X2105
A common culprit for "access denied" is a misconfigured computer account. Run DCDIAG /TEST:MachineAccount on the affected DC. Log in with credentials to ensure you have
You might simply be running DCDIAG without administrative privileges. demote the server (forcibly if necessary)
The account or the DC computer account doesn't have "Replicating Directory Changes" rights on the naming context.