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Remote Desktop Connection (RDC) Remote Desktop Connection (RDC) is a Microsoft technology that allows a local computer to connect to and control a remote PC over a network or the Internet. It is done through a Remote Desktop Service (RDS) or a terminal service that uses the company's proprietary Remote Desktop Protocol (RDP). Learn More,

while accessing the remote system through remote desktop connection having CredSSP Encryption Oracle Remediation issue?

Description:I am accessing the remote system through remote desktop connection and it is always throwing following error

An authentication error has occurred.
The function requested is not supported

Remote computer:
This could be due to CredSSP encryption oracle remediation.
For more information, see 866660

Posted by: | Posted on: Nov 18, 2019

1 answers



you can fix this by using the group policy settings changes described below to set the state to ‘Vulnerable’ to allow RDP access.

1- Open Group Policy Editor, by executing gpedit.msc
2- Path to the policy need to update : Computer Configuration -> Administrative Templates -> System -> Credentials Delegation
3- Edit "Encryption Oracle Remediation" (which will be appearing in the right panel when click on "Credentials Delegation" )
4- Select Enabled and change Production Level to Vulnerable
5- Run the command gpupdate /force to apply group policy settings.(In command prompt)

Your remote desktop connection will be working fine now.

Replied by: | Replied on: Nov 21, 2019