On the client desktop where you are running RDP session, update following on that machine.
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Change the Group Policy on your local client to use the Vulnerable setting in
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Computer Configuration -> Administrative Templates -> System -> Credentials Delegation -> Encryption Oracle Remediation
Or
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Try adding or changing the following key in the registry on the client running the remote desktop:
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[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters]
“AllowEncryptionOracle”=dword:00000002
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