Event Viewer is the most commonly used tool to gather information about any application or service-related issue. AD replication issues will also log certain events in Event Viewer. Some of those will help us to identify the root cause directly and some will only provide insights that we will need to follow with additional troubleshooting steps:
Event ID |
Event description |
Possible issues |
2087, 2088 |
AD could not resolve the following DNS hostname of the source domain controller to an IP address. This error prevents additions, deletions, and changes in AD DS from replicating between one or more domain controllers in the forest. Security groups, Group Policy, users, computers, and their passwords will be inconsistent ... |