CredSSP Encryption Oracle Remediation Error

Question

Hello we are using Azure Virtural Machine. Now We cannot remote into the server due to the following error message. Would like to get suggestion on the error since we don't have the support plan and the live agent suggest me to ask here.

Thanks all.

Error Message Image

Answer 1

So I resolved the issue temporarily. Follow these steps on your local computer (not on server)

Note : The below steps are not recommended by Microsoft. So follow these steps just to login to your machine and do necessary updates. Once it's done, revert the configuration changes

1 . Go to "Administrative Templates" (type /search it directly on window)

2. 

Please see above image.

3. Right click and edit Encryption Oracle Remediation.
4. Make it enabled, and change protection level to "vulnerable"
5. Click on Apply and close window.
6. Try to connect to VM. And after establishing a connection, update the VM if there's any pending updates

Answer 2

For a fast workaround that doesn't involve any server side changes just type the following in a console with administrator privileges

reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters" /f /v AllowEncryptionOracle /t REG_DWORD /d 2

I didn't have permission (human permission) to make any change to the server so this was a perfect solution for me