Windows DHCP servers in HA does not replicate scope options?

[AZ365]

Hi,

I have two Windows Server 2019 with DHCP configured running in failover/HA mode. The status of failover is normal. However, I notice if I add a scope option in one of the scopes on one DHCP server, it won't populate to the other DHCP server. Is this expected behavior? I thought the HA relationship should replicate everything at the scope level including scope options. Please advise. Thanks.

[#2 · Accepted solution]

Yes, this is expected behavior. You can use PowerShell for this purpose.

Invoke-DhcpServerv4FailoverReplication (DhcpServer) | Microsoft Learn

[#3]

Thanks, @Dave Patrick!

Do you by any chance know the reason behind it? It does not quite make sense scope changes have to be replicated manually, considering replicating scope configs/data is part of Failover/HA relationship establishment in the first place. Keeping both servers in sync including the scope configurations should be the primary objective of the HA. Thanks.

[#4]

Sorry but configuration changes are not automatically replicated.

Automatic syncing of scope configuration changes between 2 DHCP failover servers | Microsoft Learn

[#5]

Thank you very much, Dave! I really appreciate your help!

[#6]

You're welcome.