: If using a VPN, try reconnecting to the workspace or verify that your firewall is not blocking RDP traffic on port 3389. Permission or Session Host Mismatches
: Check Windows Logs > System on both machines for "Terminal Services" or "RemoteApp" errors at the time of the disconnect for more granular details. rdp error code 0x3 extended error code 0x7
: Use gpedit.msc to navigate to Remote Desktop Session Host > Connections and ensure "Set time limit for active but idle sessions" is Not Configured . Summary of Error Meaning Common Causes 0x3 Unreachable / Path Not Found : If using a VPN, try reconnecting to
Check that the service starts automatically. Summary of Error Meaning Common Causes 0x3 Unreachable
(Invoking related search suggestions for follow-up terms.)
Go to Control Panel > System and Security > Windows Defender Firewall > Allowed Apps . Ensure Remote Desktop is checked for both Private and Public networks.