I Remote Desktop Connection Error Code 0x904 Better !new! Direct
Before changing settings, ensure the basics are correct.
Switching between Wi-Fi and ethernet, or dropping connection momentarily on a Virtual Private Network (VPN).
Windows 11 updates occasionally introduce bugs that affect hostname resolution or standard RDP client stability.
: A newly renewed or corrupted self-signed certificate can prevent the TLS tunnel from establishing correctly. Step-by-Step Solutions 1. Basic Connection Checks i remote desktop connection error code 0x904 better
Open the Start menu, type , and press Enter. Click the Change settings button at the top right. Scroll down until you find Remote Desktop . Ensure both the Private and Public checkboxes are ticked. Click OK to save changes. 3. Optimize Remote Desktop Client Settings
On Windows client, check Event Viewer :
Specific updates (e.g., KB5005611, KB5022286) fixed known 0x904 bugs. Check for and install all pending updates, especially Preview or Optional updates if the error persists. Before changing settings, ensure the basics are correct
Enter 1 in the "Keep-alive connection interval" box (this sends a ping every minute). Click and then OK . 5. Switch to a Wired Connection or Optimize DNS
If Network Discovery is turned off, Windows cannot find other computers on the network.
| Error | Layer | Cause | |-------|-------|-------| | | TLS | Certificate validation failure | | 0x907 | CredSSP | Encryption oracle remediation (CVE-2018-0886) | | 0x516 | Network | TCP timeout / firewall | | 0x104 | Licensing | No RDS CAL available | | 0x80090302 | Security | Unsupported security protocol (e.g., server requires TLS 1.2, client only 1.0) | : A newly renewed or corrupted self-signed certificate
Navigate to > Certificates and Delete the expired certificate.
Press Windows Key + R , type gpedit.msc , and press to open the Local Group Policy Editor.
If you receive an extended error 0x7 along with 0x904, or see specific TLS errors in the Windows Event Log, the issue is cryptographic.
Ensure client connects using the on the certificate:
I Remote Desktop Connection Error Code 0x904 Better !new! Direct
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