A common culprit for "access denied" is a misconfigured computer account. Run DCDIAG /TEST:MachineAccount on the affected DC.
If you are seeing the error while running tools like DCDIAG , you've hit a classic Active Directory permissions or configuration roadblock. This error typically means a Domain Controller (DC) is trying to pull replication data but is being told "No" by its partner. Why is This Happening?
The host might be struggling with _msdcs zone lookups or has an incorrect primary DNS setting. Step-by-Step Fixes 1. Run with Administrative Privileges Dsreplicagetinfo(Pending_Ops Null) Failed Error 0X2105
Before diving into complex AD edits, ensure you are running your diagnostic tools correctly.
The destination DC's computer account is missing critical flags like SERVER_TRUST_ACCOUNT or TRUSTED_FOR_DELEGATION . A common culprit for "access denied" is a
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.
In ADSIEdit , right-click the naming context (e.g., dc=contoso,dc=com ), go to Properties > Security , and verify the permissions. 4. Audit DNS and Network Settings This error typically means a Domain Controller (DC)
Ensure the _msdcs zone is healthy and populated with records on your primary DC.