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for 2003 DC to 2012 DCs. Do we need to migrate FRS to DFS? Is it required or recommended?

Posted on 2015-02-16
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for 2003 DC to 2012 DCs upgrade. Do we need to migrate FRS to DFS? Is it required or recommended?
We have forest and domain level as 2003 and we are bringing 2012 DCs.

As I understand it, the 2012 will continue to use FRS to work with replication with 2003 DCs?

But to improve performance only we should migrate Sysvol to DFS?

http://www.microsoft.com/en-us/download/details.aspx?id=4843
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Question by:creative555
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Will Szymkowski earned 250 total points
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for 2003 DC to 2012 DCs upgrade. Do we need to migrate FRS to DFS? Is it required or recommended?
DFSR sysvol replication is definitely recommended but you will need to completely have all of your 2003 DC's demoted from being a domain controller. This is because DFSR is only configurable when you have 2008 and up DC's in your environment.

As I understand it, the 2012 will continue to use FRS to work with replication with 2003 DCs?
That is correct your 2012 DC will communicate with 2003 but it would be highly recommended that when all 2003 DC's are removed to upgrade to DFSR.

But to improve performance only we should migrate Sysvol to DFS?

DFSR is much more robust in regards to performance. DFSR only replicates objects that have changed. So data over WAN links will be reduced and much quicker to get updates as required.

Will.
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by:VB ITS
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You'll need to stick with FRS for now, at least until you have installed your 2012 DCs then demoted your 2003 DCs. Once you've installed your 2012 DCs, decommissioned your 2003 DCs and ensured that FRS is working properly you can then looking at moving to DFS-R.
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by:Will Szymkowski
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How was my answer not accepted? or at least assisted?

Will.
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