Hello.
Thank you so much for posting here.
According to our description, we configured the wireless network policy and it was applied to almost all computers. But there is one computer that just will not connect to the network. That is to say, this computer did not apply this policy.
Does this computer is within the OU which is linked with the GPO? To check whether this computer applied this policy or not, we could log on the computer and run the CMD as administrator and then enter gpresult /h C:\report.html to get the group policy report.
For more information, we could refer to:
https://video2.skills-academy.com/en-us/windows-server/networking/core-network-guide/cncg/wireless/e-wireless-access-deployment
For any question, please feel free to contact us.
Best regards,
Hannah Xiong
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