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WIN7 Remote Desktop Hint "An authentication error has occurred. Required function not supported "workaround

Source: Internet
Author: User
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System environment:
Server: Windows Server R2
Client: Windows 7
In order to facilitate the management of the server, usually in the client Remote Desktop to the server, the recent sudden connection is not, reported "authentication error occurred." Required function is not supported "error. The first reaction when an error occurs is to check the server, and finally it turns out that this error is not related to the server and the problem is on the client system. The solution is summarized as follows:
Method One: Uninstall the KB4343900 update patch. This patch is the culprit that caused the failure.
Method Two: Modify the registry to add the following table entry:
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\SYSTEM\CREDSSP]

[Hkey_local_machine\software\microsoft\windows\currentversion\policies\system\credssp\parameters]
"Allowencryptionoracle" =dword:00000002
Method Three: Enter the Group Policy Editor to modify the value of "Encrypt Oracle remediation". "Computer Configuration"--"Administrative Templates"--"system"--"credential assignment"--"Encrypted Oracle Remediation"--"enabled"--"protection level: susceptible to xxx".

WIN7 Remote Desktop Hint "An authentication error has occurred. Required function not supported "workaround

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