Situation: The user WFH uses Remote Desktop over VPN. Now, she get error code 104.
Troubleshooting: 1. It could be the DNS issue. Try to access the remote desktop using IP address or FQND instead of computer name. You may want to clear DNS cash using ipconfig reflushdns. Also setup WINS service many help the name resolution.
2. Make sure Network Discovery is on.
Network Discovery is an option using which you can determine whether your system can see/scan other systems on the network or not. You have to make sure this option is turned on to establish an RDP connection. Here’s how to do it:
- Open Control Panel.
- Go to Network and Internet > Network and Sharing Center.
- On the left-hand side, click on ‘Change advanced sharing settings’.
- Expand the network profile that you are currently using and select ‘Turn on network discovery’.Turning on Network Discovery
- Click Save Changes.
3. Make sure the port RDP 3389 is open. you can use telnet to test it. Also check the firewall and make sure it doesn’t block the port.
