Exchange 2019 CU14 install

mara2021 1,076 Reputation points
2024-03-09T15:55:18.47+00:00

We have two 2019 Exchange Hybrid servers (CU12) in a DAG behind load balancer. User Mailboxes in Exchange Online. we are using ADSync. Few service mailboxes on the hybrid servers. I checked with our IT . SSL Offloading is not enabled on the load balancer. We are using Modern Hybrid. I know about not enabling Extended Protection on the EWS front end virtual directory. NTLMv2 is enabled. TLSv1.2 is enabled.

I want to install CU14 on just one of the hybrid servers. Wait a day or 2 to see if there are issues, then install on the second server. Is this, ok? Appreciate your help. Thanks.

Microsoft Exchange Online
Exchange Server Management
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Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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Microsoft Exchange Hybrid Management
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Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Security: The precautions taken to guard against crime, attack, sabotage, espionage, or another threat.
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Accepted answer
  1. Andy David - MVP 144.4K Reputation points MVP
    2024-03-09T20:04:51.6533333+00:00

    Yes, that will work. I updated one server at a time, no issues.

    HOWEVER - make sure you meet the prerequisites first!!

    https://techcommunity.microsoft.com/t5/exchange-team-blog/released-2024-h1-cumulative-update-for-exchange-server/ba-p/4047506

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