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Exchange Team Blog
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Released: March 2021 Exchange Server Security Updates

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The_Exchange_Team
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Mar 02, 2021
Note: this post is getting frequent updates; please keep checking back. Last update: 3/19/2021 Microsoft has released a set of out of band security updates for vulnerabilities for the following ver...
Updated Mar 19, 2021
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benduff
Copper Contributor
Mar 04, 2021

We're well behind on our CU's 2016 CU5, can you add an additional 2016 server CU19 and use that as the front end and migrate mailboxes to that? Can CU5 and CU19 coexist, schema issues?