Event ID 1311 — Active Directory replication topology problem

The Knowledge Consistency Checker was unable to build a complete replication topology.

Source of event

NTDS KCC — Active Directory category.

Possible causes

• AD site incorrectly configured
• WAN link cut
• DC unavailable
• DNS

Verifications to be carried out

1. Run repadmin /replusummary
2. Check Sites and Services
3. DNS Control and RPC Connectivity

Useful orders.

repadmin /replsummary

repadmin /showrepl

To be retained.

An Event ID must always be interpreted with its source, its full message, its timing and the context of the system. The same number may exist in several providers of events.