Use ADSIEdit or a similar tool to check the userAccountControl attribute. A healthy DC typically has a value of . If it is a lower value like 0x288, the system isn't recognizing the server as a trusted DC. 3. Verify Replication Permissions
Run: netdom resetpwd /server:Source_DC_Name /userd:Domain\Admin /passwordd:* . When to Rebuild 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. Use ADSIEdit or a similar tool to check
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 Run DCDIAG /TEST:MachineAccount on the affected DC
The account or the DC computer account doesn't have "Replicating Directory Changes" rights on the naming context.
Log in with credentials to ensure you have the network logon privileges required for the test. 2. Check the Machine Account Attributes