Implementing Redundant DHCP Services
As stated earlier in this chapter, DHCP is a critical network service and should be treated as such. Building redundancy into DHCP services has been a challenge for years, and with each release of Windows Server, DHCP redundancy options get better. Windows Server 2012 DHCP server service is no different. The biggest improvement for the DHCP server service is the now built-in failover option, but that is not the only option. The following sections detail historic and current DHCP redundancy options that can be leveraged to improved DHCP reliability.
DHCP Split Scopes
Historically, when administrators required DHCP redundancy, DHCP was deployed on a failover cluster or multiple DHCP servers were deployed with ...