Instructions to fix CredSSP Encryption Oracle Remediation error when Remote Desktop

The "CredSSP Encryption Oracle Remediation Error" error in the CredSSP (Credential Security Support Provider Protocol) security protocol is a common error in the Remote Desktop Protocol (RDP) connection between the Window Client (personal computer) and Window Server (the server). ).

This is a security feature from Microsoft, however this error occurs if you are trying to establish an insecure RDP connection and the connection is blocked by policy settings Oracle Encryption on the server or the client. This setting defines how to build an RDP session using CredSSP and check if the RDP connection is secure. So, after using the Windows update after 03/2018, you may receive the "CredSSP Encryption Oracle Remediation Error" message when using the Remote Desktop feature.

To handle the above problem we have 2 ways:

Method 1 – Handling on Windows Group Policy

Step 1: Mở Group Policy Editor

– Use Windows key + R to find Run search: type gpedit.msc

Step 2: After entering the Local Group Policy Editor

Edit the Encryption Oracle Remediation configuration according to the path structure:

Computer Configuration Administrative Templates System Credentials Delegation Encryption Oracle Remediation  Policy Setting

Step 3: Edit configuration on Encryption Oracle Remediation

Step 4: Reconnect Remote Desktop Protocol check the result

Method 2 – Fix CredSSP Encryption Oracle Remediation with RegEdit Setting

For way 1 will not work well if you are using Windows 10 Home Edition where some core features are not available to users. You can fix the error with the Registry (where Window user settings are stored).

Way 2.1: Download the following registry file, open it and select OK.

Access the download link: AllowEncryptionOracle_Enable-remote-desktop

The 2.2: Customize in Registry on windows

Step 1: Mở RegEdit Setting

– Use Window + R key to find Run: type regedit

Step 2: Navigate to the following registry key or create it if it does not exist

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystemCredSSPParameters

Step 3: Create a new DWORD key with a value named “AllowEncryptionOracle“

Step 4: Reconnect Remote Desktop Protocol check the result

The above instructions help you read and handle the remote error "CredSSP Encryption Oracle Remediation Error"

Hope you are succesful !

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