The best replacement for domain controller is global catalog.

The best alternatives to domain controller are rated as following:

★★★★★	global catalog
★★★★	active directory
★★★★	member server
★★★★	dns
★★★	workgroup
★★★	workgroup server
★★	domain
★	active directory server
★	file server
★	domain name server
★	global catalog server
	dns server
	rodc

Your alternative for domain controller is not listed? Suggest!

Speaking about domain controller, one probably shouldn't forget about active directory.

Other search terms related to domain controller and their ratings are:

★★★★★	active directory
★★★★★	dhcp
★★★	dns
★	exchange
★	replication
	ad
	ldap
	dns server

You have in mind a companion for domain controller and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of domain controller in all years. Click on graph for more.

domain controller

global catalog

active directory