Active Directory Health Check

Migrated a DC and wanted to do some basic AD health checks.

From the cmd prompt (domain joined pc with sufficient privileges or on the DC):

Replication Info:

repadmin /replsummary
repadmin /showrepl

Query FSMO role holders, which should confirm that they are online:

netdom query fsmo

General Server Diagnosis:

dcdiag /a /s:<DC server name>

If you want the DC’s to force sync and see if there are any issues:

repadmin /syncall

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