check if there is any rule that checks the end pint OS version.

Check the windows 11 wired configuration setting with the below article.https://learn.microsoft.com/en-us/mem/intune/configuration/wired-network-settings-windows/The device you tried to connect, is already connected with your domain environment or th...

Provide more information about you connecting Windows to your network:network type: wired or wireless?authentication type: MAB, user authentication, machine authentication?credentials: pre-shared key, username+password, digital certificate?Share live...

Check which edition and version of windows 11 you are trying to connect with ISE.