The error code 0x904 typically appears with the following message:
Click the button at the top right (requires administrator privileges). Scroll down to locate Remote Desktop . Ensure both the Private and Public checkboxes are checked. Click OK to save the changes. 3. Restart Essential Remote Desktop Services
Reboot the VM; Windows will recreate a healthy folder and fresh certificates. i remote desktop connection error code 0x904 better
The remote server uses self-signed certificates that don't always auto-renew. If they expire, the connection is instantly dropped after you enter credentials.
Instead of exposing RDP ports directly to the internet, use a secure Virtual Private Network (VPN) to bridge the two local networks. This drastically reduces connection drops caused by ISP throttling. The error code 0x904 typically appears with the
It bypasses SSL certificate validation. While less secure, it’s the only reliable method for older, unpatched embedded systems or legacy industrial PCs.
While you fix the underlying issue, use alternatives like: Click OK to save the changes
Restart the Remote Desktop Services. Open PowerShell as Administrator and run: Restart-Service termserv -Force .
), as it uses a different networking stack that often bypasses this error. Network and Firewall Stability is open on the target computer's firewall.
Reopen your Remote Desktop Connection app and type in your credentials fresh. 4. Terminate Lingering Ghost Sessions
Unlike generic connection errors, . It occurs after TCP handshake but before user authentication .