Windows DHCP Failover Load Balancing

Windows Server 2012 (and newer) provide a powerful option for DHCP service high availability. You configure a DHCP scope on one server and then configure “Failover Load Balancing” to replicate the scope to the partner DHCP server.

This new DHCP load sharing is much more powerful than the older “Split Scope” because each server shares the EXACT SAME scope settings and lease table including any reservations.

One important NOTE for successful implementation of your own replicated scopes in Win2012+, the SERVER OPTIONS ARE NOT REPLICATED. To work around this limitation, PUT ALL YOUR DHCP OPTIONS AT THE SCOPE LEVEL to include them in the replication partnership.

More details are provided in the following articles:

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About notesbytom

Keeping technology notes on WordPress.com to free up my mind to solve new problems rather than figuring out the same ones repeatedly :-).
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