I would leave it. Its not doing any harm and will be recreated when you run the next CU or upgrade anyway.
Active Directory Group: Exchange Install Domain Servers purpose
Chris Smith
21
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Can anybody telll me if the group "Exchange Install Domain Servers" is needed past the installation of Exchange 2019? What is it's purpose if it must stay?
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Chris Smith 21 Reputation points
2021-03-30T15:09:21.323+00:00 Agree - it's not hurting anything. I'm just trying to mitigate all of the insecure paths that Exchange creates in AD. This group is a member of a sensitive AD group that could be taken advantage of.