Apply software updates to the DNS/DHCP Servers in an xHA pair. If the servers are already at the current software version, the Update function is unavailable.
BlueCat periodically releases software updates for Address Manager and DNS/DHCP Server. If a patch is available for DNS/DHCP Server, you can use Address Manager to apply the patch to the DNS/DHCP Servers in an xHA pair.
When you apply updates, Address Manager updates both the Active and Passive nodes. Address Manager first updates the Passive node, and then performs an xHA failover to change the roles of the servers. Address Manager then updates the second server.
To update or apply a patch to the xHA pair: