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mstogdale avatar image
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mstogdale asked KyleXu-MSFT commented

Need Help with an Exchange 2016 Uninstall

Im trying to uninstall EX 2016 from a windows server but during the prereq checks its telling me that the server is part of a DAG

i have removed the server in question from the DAG and the DAG no longer exists?

any suggestions

office-exchange-server-ha
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@mstogdale

Any update about this thread now? Do you remove this Exchange server from DAG and cluster successfully?

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AshokM-8240 avatar image
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AshokM-8240 answered

Hi @mstogdale ,

Before uninstalling, remove the below,
1.Remove mailbox database copies
2.Remove server from DAG
3.Check if there are no active or mounted databases on that server

If still having issue, please share the exact error message by covering your personal information.

If the above suggestion helps, please click on "Accept Answer" and upvote it.

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KyleXu-MSFT avatar image
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KyleXu-MSFT answered

@mstogdale

In addition to the above information, I also suggest you have a check whether there exist Windows cluster in your organization. This Exchange server may be contained in a dead Windows cluster.


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