Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
PS C:\Users\administrator.> dcdiag Directory Server Diagnosis Performing initial setup: Trying to find home server... ***Error: posta is not a Directory Server. Must specify /s:<Directory Server> or /n:<Naming Context> or nothing to use the local machine. ERROR: Could not find home server. PS C:\Users\administrator.> repadmin /showrepl Repadmin: running command /showrepl against full DC ad.xxxx.com Default-First-Site-Name\AD DSA Options: IS_GC Site Options: (none) DSA object GUID: dab63121-51f8-48ee-aa92-29ff9bcebf17 DSA invocationID: dab63121-51f8-48ee-aa92-29ff9bcebf17