If you must connect to an unpatched server temporarily, you can adjust the Group Policy: Press Win + R, type gpedit.msc, and hit Enter.
After updating Windows Server 2016, you might encounter an error stating: "The function requested is not supported... This could be due to CredSSP encryption oracle remediation." download credssp update for windows server 2016
This happens when there is a mismatch in the "Encryption Oracle Remediation" policy between the client and the server. To fix this without lowering security, ensure both the server and the connecting computer have the latest updates.
Policy: Both devices should ideally be set to "Mitigated" to prevent credential theft. If you must connect to an unpatched server
If your Windows Server 2016 machine is updated but your local Windows 10/11 client is not—or vice versa—you will likely see an RDP error blocking the connection. How to Download the CredSSP Update for Windows Server 2016
Try for free
Grow your business faster with:
- AI-powered analytics & attribution
- No-code event tracking
- Privacy-friendly setup