want to know much about server 2008 r2.please anybody with help should kindly help me out here.
What would you like to know?
Yeah, that's like asking, "Tell me about Laptops"...
What info are you looking to get?
Please I want to know how to configure RO dc on server 2008 R2
The steps are too numerous to provide you within a single post or thread. Take a look at Microsoft's site:
RODC Step-by-Step Guide