Dsreplicagetinfo(pending_ops Null) Failed Error 0x2105 (2027)

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?

If the secure channel is broken, you can reset the DC's machine account password using Netdom.exe .

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 Dsreplicagetinfo(Pending_Ops Null) Failed Error 0X2105

Before diving into complex AD edits, ensure you are running your diagnostic tools correctly.

If the error occurs during manual replication (e.g., "Replicate Now" in AD Sites and Services), it's likely a permission gap. If you are seeing the error while running

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

The destination DC's computer account is missing critical flags like SERVER_TRUST_ACCOUNT or TRUSTED_FOR_DELEGATION . If the secure channel is broken, you can

Log in with credentials to ensure you have the network logon privileges required for the test. 2. Check the Machine Account Attributes