Forum Discussion

tcarr_encorus's avatar
tcarr_encorus
Copper Contributor
Jul 09, 2025

Windows Server 2019 AD & DNS replication

Hello, I'm running into issues with AD & DNS replication on a recently joined server in our environment. Environment: Three writable DCs in separate sites: Server A (Site A) – Windows Server 201...
Active Directory
DNS
networking
Replication issues
windows server
L_Youtell_974's avatar
L_Youtell_974
Iron Contributor
Jul 16, 2025

hello,

maybe you have some trouble with a port communication . Try to find out with GitHub - ryanries/ADReplStatus: AD Replication Status Tool. This tool will allow to test every port from different server. Try to test it and see if any port is not block.

And your network card, what is the DNS server?