DHCP Failover and scope changes

The new feature DHCP failover in Windows Server 2012 eliminated the need for DHCP split scope. Awesome, right? It gives you the full scope on both servers and gives you a few other neat features, like load balancing or hot standby.

It’s not perfect though. When changing┬áscope configuration you need to re-activate failover. Run the following command on either the DHCP primary or partner server:

It will replicate changes and activate failover again.