Introducing Active Directory sites AFTER exchange 2013 installation

Hi

We have multiple physical sites and only 1 active directory site.  Email environment is pure on-premises exchange 2013.  Each physical site has CAS/Mailbox servers.  There are not IP restrictions between these physical sites.  Everything is outlook anywhere obviously.

I would like to introduce NEW AD sites for each of these physical locations.

Do you see any major issues that I need to be aware of?  

Can this be done in the middle of the day?

Will there be pop ups in outlooks and disconnects?

I appreciate your help.

March 18th, 2015 9:26am

I haven't had to do this before, but I would probably schedule this at night as there are some changes that will need to be made on the Exchange side of things.

  1. Once you have the new AD Sites configured (Make sure you have at a minimum one Global Catalog, although I would recommend at least 2 in each AD site). You should cycle the AD Topology Service on each Exchange Server (this is going to cause all services to restart so do it one at a time).
  2. You should also use Set-ClientAccessServer and set the proper site scopes that you want Autodiscover to respond to. 

I'm sure there's more, but that's what I can think of at the moment.

 
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March 18th, 2015 9:54am

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