Outlook not responding

Franky 106 Reputation points

hi all,

since last exchange november security patch we have many outlooks with not responding

has anybody same experience

client: office 2021
server: Windows 2022, Exchange 2019 CU13 + Nov. Patch

Exchange Server
Exchange Server
A family of Microsoft client/server messaging and collaboration software.
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Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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Exchange Server Management
Exchange Server Management
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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Accepted answer
  1. Wandi Ding -MSFT 2,870 Reputation points Microsoft Vendor

    Hello Franky,

    As regards to your concern about the Nov security update for Exchange 2019 CU13, I checked the official blog about this update, but so far haven’t seen a similar issue been mentioned in either the Known Issues part of the article or in the comments section. I’ve also tried searching around but haven’t found any similar reports.

    Given this situation, could you please clarify the things below which might be helpful to narrow down the problem:

    1. Does this issue affect some particular users in your environment?
    2. Can the Outlook not responding issue be reproduced by some specific steps when using Outlook or it just occurs randomly?
    3. What’s the detailed build number of the affected Outlook clients? You can view the version information via File > Office Account > About Outlook.

    In addition, if possible, it is recommended that you create a new Outlook profile and then use the new profile to replace the original profile see if the issue persists. You could also refer to this document Outlook crashes or stops responding when used with Office 365 - Microsoft Support to make some attempts.

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

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    1 person found this answer helpful.

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