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Will upgrading the functional level of a domain to 2008 force use of DFS for sysvol replication?

Medium Priority
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Last Modified: 2012-05-11
I currently have a domain with 4 domain controllers. The domain controllers were migrated from 2003 to 2008 R2. The functional level of the domain and forest is at Windows 2003. If I update the functional level to 2008, will the domain automatically start using DFS for sysvol migration? Or will it stay FRS until I go through the FRS to DFS migration procedure?
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Commented:
If I have to leave it FRS for a period of time, will there be any negative effects? As I understand it DFS-R is pretty much a performance enhancement?

FRS won't have any negative impact however DFS-R definitely have lot of advantages over FRS i.e. Block-Level Replication, Bandwidth Throttling, self-healing etc.

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Commented:
Thanks for the info.

I have one other question, DFS is reliant on DNS, so if you do a lookup internally on your domain (ie - domain.int) you should get the IP of the first available domain controller, or all the domain controllers?



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Commented:
Would this KB still be valid for 2008?
Yes, the DC Locator is still same in 2008 as well except some extra flags with netlogon. There are other links as well like http://technet.microsoft.com/en-us/library/cc978016.aspx, http://technet.microsoft.com/en-us/library/cc759550(WS.10).aspx.
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