Remove Exchange 2007 from Server Installation

Hi Guys,

We recently upgraded our Exchange 2007 to Exchange 2013.  (Separate server)
The Exchange 2007 server is still part of the installation.

I assume all the roles were transferred correctly.  Switching off the Exchange 2007 server, Exchange 2013 seems to be functioning as expected.

I am in the process of removing Exchange 2007 from the installation.  Is there a single-test or check that I can run to confirm that all functionality is now residing with Exchange 2013?  (We can't afford any downtime after the removal)
Rupert EghardtProgrammerAsked:
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MAS (MVE)EE Solution GuideCommented:
Switch off the server for couple of days before uninstalling and check for any error in server and issues from clients
1. Try to check mail flow. Both internal and external.
2. Check public folder files if you have any.
3. Check for system mailboxes and user mailboxes using the below command
Get-Mailbox | FT NAME,SERVERNAME

Open in new window

Get-Mailbox -ARBITRATION | FT NAME,SERVERNAME

Open in new window

4. Make sure Outlook anywhere enabled on all PCs.
5. Try to download Addressbook (Though it is a not files as in Exchage2007, check to be safe).
6. check you internal applications (if any apps using Exchange server).
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Gareth GudgerCommented:
To add onto what MAS has already recommended in point 6, you can check for this in the SMTP protocol logs.

Client explains it in his blog here.
http://clintboessen.blogspot.com/2009/06/exchange-2007-smtp-protocol-logging.html

Ultimately, these logs should be empty. If not, see what IPs are populating them.
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suriyaehnopCommented:
Personally, i would keep the Exchange 2007 shutdown for 2 or 3 months and let user using Exchange 2013.
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