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Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

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  • 1.  Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

    Posted Oct 05, 2022 01:54 PM
    We have seen recently with laptops (so far only have seen Lenovo ThinkPad's) running windows 11 work great on our SSID eduroam (802.11 enterprise) UNTIL you upgrade to Windows 11 version 22H2 then the SSID profile breaks. 

    The fix right now is to forget the SSID eduroam and re-connect. 

    Anyone seeing this behavior?

    We have looked at possible Windows bugs that might be in the version 22H2 and have found nothing.  We were thinking a cert issue but then you are not prompted to except the cert after rejoining. 

    Thoughts? 

    Thanks 
    Bill


  • 2.  RE: Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

    MVP
    Posted Oct 05, 2022 02:08 PM
    Sounds like this may be related to "Credential Guard" which is now enabled by default starting in 22H2. (I'm assuming you're using PEAP and not cert-based auth?)

    https://www.moderndeployment.com/wifi-ms-chapv2-connection-limitations-using-credential-guard/

    https://learn.microsoft.com/en-us/windows/security/identity-protection/credential-guard/credential-guard-considerations#wi-fi-and-vpn-considerations
    Original Message


  • 3.  RE: Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

    Posted Oct 05, 2022 02:12 PM
    Yes we are using PEAP. We also found this out there on Microsoft website: https://learn.microsoft.com/en-us/answers/questions/1018468/unable-to-connect-to-network-after-windows-11-22h2.html
    Original Message


  • 4.  RE: Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

    Posted Oct 06, 2022 07:07 AM
    please define: the SSID profile breaks.

    However, I experience same behavior I our conductor/controller/Eduroam environment,

    after upgrading to 8.10.0.4_85105. on sep. 30.

    There is logon problems, and MS Teams cut off trouble.

    The logon is rejected numerus times, all on MS window, Ios, and Android devices;

    before one successful.

    Some MS Teams works flawless, for the duration of the call.

    Some AP's blink with orange led…

    Anyone !


    Original Message


  • 5.  RE: Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

    Posted Oct 18, 2022 10:26 AM

    I have identified this to be related to only AP-655,

    and Teams calling one to one. (Teams meeting ok)

    On a one to one call, an extreme packed loss,

    and connection failures is experienced.

     

    It is on all SSID's, intra ssid, or from one to one-other

    Anyone else ?


    Original Message


  • 6.  RE: Windows 11 version 22H2 upgrade breaks our eduroam SSID profile

    Posted Jan 30, 2023 09:58 AM
    We have encountered the same issue. I discovered if you turn off  "Core Isolation" under Device Security connectivity is restored. Looks like we will need to switch to Certs in Clearpass

    https://learn.microsoft.com/en-us/windows/security/identity-protection/credential-guard/credential-guard-manage

    https://learn.microsoft.com/en-us/windows/security/identity-protection/credential-guard/credential-guard-considerations


    Original Message