Understanding the root cause is the first step toward a permanent fix. What Does Error 0x3 (0x12) Mean?
The Remote Desktop error code 0x3 with an extended error code 0x12 can be a bit challenging to troubleshoot, but I'll provide a solid article to help you understand and potentially resolve the issue. remote desktop error code 0x3 extended error code 0x12
Open a Command Prompt as Administrator and run gpupdate /force . 2. Uninstall and Reinstall the Remote Display Adapter Understanding the root cause is the first step
setspn -L <computer_name>