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
Right-click your Command Prompt or PowerShell and select . Dsreplicagetinfo(Pending_Ops Null) Failed Error 0X2105
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 Sometimes IPv6 using a loopback address as the
The account or the DC computer account doesn't have "Replicating Directory Changes" rights on the naming context. Reset the Machine Account Password Right-click your Command
The destination DC's computer account is missing critical flags like SERVER_TRUST_ACCOUNT or TRUSTED_FOR_DELEGATION .
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.