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

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

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An authentication error has occurred. The function requested is not supported. Remote computer This could be due to CredSSP encryption oracle remediation

In Windows 8 .1 machine while connecting a remote server through remote desktop faced this error as shown in image – 1

Image – 1

I just tried from a Windows 7 machine also I could not able to connect but with same error as shown in Image – 2

Image – 2

Solution both for Windows 7 and Windows 8.1

Workaround to enable remote desktop connection to remote server is to edit in Group Policy

Go to run type – gpedit.msc to open Local Group Policy Editor as shown in Image – 3

Image – 3

Expand Computer ConfigurationAdministrative TemplatesSystem – select Credentials Delegation, click on right panel  “Encryption Oracle Remediation”. Its default value is “Not configured”. we just change it to “Enabled”, and set “Protection Level” as “Vulnerable”. as shown in Image – 4

Image – 4

Now if you try to connect to your remote server . It will connect without any error from both Windows 7 and Windows 8.1 machine.

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