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Disabling Exchange Hybrid Setup on SBS 2011

CJ Fig 0 Reputation points
2024-06-27T20:46:14.36+00:00

We setup an Exchange Hybrid configuration quite a few years ago to migrate users from Small Business Server 2011 (SBS 2011, Exchange 2010) to Exchange online. The server was just being used for file sharing so it was never decommissioned. We are getting ready to decommission this server. In addition I have a different site where I need to do the same but with an Exchange 2013. Also, finally I have a another Exchange 2013 environment where I will need to migrate users the same way.

In the first two environments we are using the latest AD sync, I can't remember the name right now.

I'm not really sure I'm clear on the steps to decommission Exchange, and the hybrid setup and what ramifications there are to disabling. Should I also disable the AD sync? Is there a step by step guide to follow?

Windows Small Business Server
Windows Small Business Server
A family of Microsoft server products with messaging and collaboration, security-enhanced internet access, protected data storage, reliable printing, faxing, and the ability to run line-of-business applications. Replaced by Windows Server Essentials.
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Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
1,964 questions
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  1. Noah Ma-MSFT 1,850 Reputation points Microsoft Vendor
    2024-06-28T05:03:13.8+00:00

    Hi @CJ Fig ,

    Thank you for posting to Microsoft Community.

    Based on your description, I understand there are some concerns about decommission Exchange Server.

    Microsoft has an official document explaining How and when to decommission your on-premises Exchange servers in a hybrid deployment | Microsoft Learn which includes several common scenarios and indicates whether AD sync should be disabled.

    You can follow the steps given in the document to decommission your Exchange Server.

    If my answer is helpful to you, please mark it as the answer so that other users can refer to it. Thank you for your support and understanding.

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