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47 Replies

  • danmullen's avatar
    danmullen
    Copper Contributor
    Also affected here. Latest from MS...

    January 13, 2023 1:06 PM · Quick update

    We've identified that a specific rule was resulting in impact. We've reverted the rule to prevent further impact whilst we investigate further. This quick update is designed to give the latest information on this issue.
  • JimmyWork's avatar
    JimmyWork
    Iron Contributor

    micheleariis 

     

    We have the same issue and many more.
    https://www.reddit.com/r/sysadmin/comments/10ar1vb/multiple_users_reporting_microsoft_apps_have/

     

    Set the following ASR rule to Audit.

    Block Win32 API calls from Office macros

    Rule-ID 92e97fa1-2edf-4476-bdd6-9dd0b4dddc7b

     

    Then you can restore the links. Microsoft needs to fix this ASAP

      • Dreamaker's avatar
        Dreamaker
        MCT
        Now there is the advisory on Service health in Microsoft365 Admin portal: Some users are unable to utilize the Application shortcuts on the Start menu and taskbar
        MO497128, Last updated: January 13, 2023 12:57 PM
        Estimated start time: January 13, 2023 12:43 PM
    • 2code-monte's avatar
      2code-monte
      Copper Contributor
      yeah we are seeing this across multiple orgs too. We are testing the suggested fix
    • Dreamaker's avatar
      Dreamaker
      MCT
      I modified the rule: Block Win32 API calls from Office macros
      from Block to Audit mode
      in MDM Security Baseline
      category Microsoft Defender
      • Sean Hodgkinson's avatar
        Sean Hodgkinson
        Copper Contributor
        The support team have confirmed this is a known issue from today .. and recommend doing this until the fix. They also tell me that they will get the shortcuts put back.. but we'll see
  • @michelariis, please open a MS CSS support ticket, and mark it as a Sev-A.
    Thx,
    Yong Rhee - MSFT
    • sjansen's avatar
      sjansen
      Brass Contributor
      We also see some other files affacted, for examples .xml files and Microsoft Store Apps like Picture.library-ms and some other.
    • sjansen's avatar
      sjansen
      Brass Contributor

      We are also affected, started around 10:30am GMT+2. We saw Defender deleting .lnk files and also blocking/deleting Windows Store Apps from Microsoft. We changed the affected ASR rule and try to force all clients to sync, but it may be to late from my reports we got so far.

       

       

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