active directory functioning level question

hmcnasty used Ask the Experts™
Hi. I have a 2008 32 bit domain controller.  My domain functioning level is currently windows 2000 native.  
I have exchange 2010 on the network as well.  
Will raising the functioning level to 2008 break exchange 2010?

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Senior Engineer
No.  You are safe doing that.

I've raised it from 2000 to 2003 to 2008 to 2012 and had no issues.

As always, make sure you have a good backup.


should I do 1 at a time for go straight to 2008 or does it matter?
Scott CSenior Engineer

No, doesn't matter.  Go all the way up to 2008 in one shot.

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