Jude's Blog

Can I Add Remove Exchange Server 2013 Roles ? Watch out!

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With the all new architecture, Exchange Server 2013 RTM now only has 2 Primary Server Roles; Client Access and Mailbox. This however took a slight change of path with the Messaging team finally deciding to add Edge Transport role to the stack as well. Still, comparing to the previous Exchange Server versions, this is a totally different architecture in terms of almost everything.

One major thing that someone should very well focus on is the design. You should be pretty much sure on what roles that you are going to assign for your servers with the options of;

  • Install Standalone Server Roles*
  • Combine Server Roles

*Edge role cannot be collocated/combined with any other server role.

Now even with the above option, there is a tricky point for you when it comes to installing and uninstallation of the roles.

  1. You CAN install one exchange server role (MBX/CAS), and later add the other  role(CAS/MBX) to the existing server.

add

BUT

  1. You CANNOT remove a server role  in a multi-role server with both CAS and MBX installed.

remove

This scenario should be taken quite seriously since there should be no room for any changes once you install both roles. So let’s say what if you came across in a situation like this? Well, the only option is to remove/uninstall the server completely and re-deploy. Which! is going to be a pain for sure!

 

The above is valid for the following Exchange Server 2013 versions as mentioned here;

  • Exchange Server 2013 RTM
  • Exchange Server 2013 CU 1
  • Exchange Server 2013 CU 2

If it’s still the same for CU 3 and SP1? Well, I shall post ASAP and if you were able to check it out, let me know.

Cheers!!!

 

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Written by judeperera

May 6, 2014 at 12:13 pm

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