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Upgrade Windows 2008 R2 to Enterpise with Exchange 2010

Network IT
Network IT used Ask the Experts™
1. What are the steps to upgrade windows 2008 R2 to enterprise? Are there any issues?

2. Is there an issue upgrading, if Exchange 2010 is installed on the same server?
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Shawn ConstableStaff IT Engineer

Im not sure if I understand your question.

Are you attempting to upgrade Windows 2008 R2 Standard to Enterprise?

There is a supported upgrade path:

Upgrade Path

I am not sure I would actually attempt it with Exchange 2010 on it already.
IT Architect
Distinguished Expert 2017
It is not recommend or supported to upgrade OS to different version, if exchange is already installed. Better to create new server and move the mailboxes.