The solution to the remote desktop connection error (CredSSP encrypted database correction) is as follows:
method one
When connecting to the remote desktop, sometimes "An authentication error has occurred. The requested function is not supported as shown in the figure below:
This may be due to the "CredSSP encrypted database correction" prompt , the solution is as follows:
Run gpedit.msc , as shown below:
Local Group Policy:
Computer Configuration > Administrative Templates > System > Credential Assignment > Encrypted Database Remediation
Select Enabled and select Vulnerable as shown in the image below:
Connect to the remote desktop again, if it still fails, restart the computer and try again
Method Two
Press win+r key - enter regedit - click OK - open the Registry Editor as shown below:
Find the registry path HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters (if CredSSP\Parameters does not exist, create it manually: right-click the left directory System, select "New - Item", and enter the folder name) ,As shown below:
If not, create a new one
Create a new DWORD (32-bit) in Parameters, name: "AllowEncryptionOracle", value: 2, as shown in the figure below:
If the remote fails, please restart the computer and try again.