Laptop unable to open Remote Desktop
4.5
The "mstsc.exe" tool fails to connect or is blocked by settings.
Symptoms
- "Remote Desktop can't connect"
- Credentials rejected
- App crash
Possible Causes
- Remote Desktop disabled
- Firewall blocking port 3389
- Network level authentication (NLA) error
Step-by-Step Fix
1
Enable Remote Desktop
Go to Settings > System > Remote Desktop and turn it on.
2
Check Firewall
Ensure "Remote Desktop" is allowed through the Windows Firewall.
3
Verify IP/Hostname
Ensure you are using the correct local IP address of the target PC.
When to See a Technician
Windows Home edition can connect TO other PCs, but it cannot BE connected to via Remote Desktop.
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