Mouse without borders not working - computers can ping each other

[thewbuk]

Microsoft PowerToys version

0,78,8

Installation method

GitHub

Running as admin

Yes

Area(s) with issue?

Mouse Without Borders

Steps to reproduce

Neither MwB nor Barrier is working for, even though PCs can ping each other by IP. Firewall and VPN are off. Both latest Powertoys versions running as admin and as service. Firewall off on both.

✔️ Expected Behavior

No response

❌ Actual Behavior

Yellow border around when trying to add 2nd PC

Other Software

No response