Forum Discussion
BMERCIER45
Jan 15, 2024Copper Contributor
Screen Mirroring (wireless casting) on TV stopped working
Hello, for the last month or so wireless casting (Windows key + K) on our Samsung TV stopped working with all our Windows 11 laptops (we have 70). However, it's still working with a Windows 10 laptop...
briandotnet
Jul 02, 2025Copper Contributor
This was puzzling us too for a while with our corporate clients. In our case, we created a custom rule to allow wudfhost.exe access in the Firewall Windows default policy in Microsoft Defender.
https://security.microsoft.com > Endpoints > Device configuration > Firewall > Firewall Windows default policy
Create a custom rule allowing %systemroot%\system32\wudfhost.exe
- melissaldidJul 03, 2025Copper Contributor
This is a bit over my head. Can I just reset the firewall settings or does it have to be a custom rule? If the latter, any chance you can share how to do this? T.I.A.