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
Troubleshooting the "DsReplicaGetInfo(Pending_Ops Null) Failed Error 0X2105" in Active Directory Dsreplicagetinfo(Pending_Ops Null) Failed Error 0X2105
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
Right-click your Command Prompt or PowerShell and select . This error typically means a Domain Controller (DC)
Sometimes IPv6 using a loopback address as the primary DNS can interfere. Try temporarily disabling the IPv6 stack to see if connectivity restores. 5. Reset the Machine Account Password
If the error occurs during manual replication (e.g., "Replicate Now" in AD Sites and Services), it's likely a permission gap.