Server doesn't get a connection on a previously paired host

[igor-korotkov]

I use Windows 10 as a host system that I pair with my Pi. I've added hosts MAC as trusted on my Pi etc.

The first time I find my Pi and pair it with Windows 10 (no pin code used) the server in Pi sees the socket connection and works fine. If I turn Bluetooth off on Windows 10 and turn it back on - the server doesn't see the connection. Even though device in Win 10 displayed as "Connected" after turning Bluetooth back on. Restarting the server in Pi doesn't help. No combination of restarting Bluetooth/Pi/Windows/your server works - I have to manually remove the Bluetooth device in Win 10 and find it and pair it again.

I don't know if this project is supported still, would appreciate any help debugging this. Not sure where to start.

[alexdresko]

Just want to point out that I'm seeing the same problem an on Android phone.

[sarimarton]

I recommend to use Across Center guys. It's commercial, but if you just want to relay mouse, not keyboard (like me), it's free. It's rock solid with the Raspberry 4B BT-HID connection, and works like a charm.