Windows Server 2003 DC health check command

1. dcdiag.exe /v /f:dcdiag_servname.txt

2. dcdiag.exe /test:dns /v /f:dcdiagdns_servername.txt

3. repadmin /showrepl > replication_servername.txt

4. repadmin /replsum /errorsonly > replicationerr_servername.txt

dcdiag.exe

Health check for DCs and/or services assoicated with it.

dcdiag.exe /test:dns

Let me know DNS health status

repadmin /showrepl

This shows all my replication and if it was successful or not. Just be aware that Global Catalogs will have more infor here than a normal domain controller.

repadmin /replsum /errorsonly

This is one takes a long time but will let you know who you are having issues replication with.