Good literature/forums on Active Directory?

Question

Active Directory

Recommend good literature / forums on Active Directory (which also consider advances topics like nlb, cluster, load-balancer ha, and other AD resources)

Answer 1

The Official Reference Manual for Exam 742 is an excellent read on AD.
https://docs.microsoft.com/en-us/learn/certificati...
You can also use any other preparation books or courses.
For other MS technologies, you can also search for courses - for example, 410, 411, 412. They are for Windows Server 2012 - but the technologies are still relevant.
https://docs.microsoft.com/en-us/learn/certificati...
PS "nlb,cluster,load-balancer ha,and other AD resources" - it sounds wild - are you sure that it's time for you to "advances" the topic?