Fixed: This could be due to CredSSP encryption oracle remediation,

Fixed: This could be due to CredSSP encryption oracle remediation, .Some recent Windows updates (May 2018) increase security, affecting the Windows Remote Desktop application. When you open the Remote Desktop application to connect to the Server or VPS, you get the following error:

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Fixed: This could be due to CredSSP encryption oracle remediation,

The error code 0x80070422 is typically associated with the Windows Update service being disabled, as described previously. The “CredSSP encryption oracle remediation” message is a separate and distinct error that relates specifically to Remote Desktop Protocol (RDP) connections, not the update service itself.

The CredSSP error occurs when you try to establish an RDP connection between two systems that have mismatched security updates for the Credential Security Support Provider Protocol (CredSSP), often a patched client trying to connect to an unpatched server.

To fix the CredSSP error for RDP:

The recommended solution is to ensure both the client (your computer) and the server/remote computer are fully updated with the latest Windows patches.

If immediate patching is not possible, a temporary workaround involves changing a local security policy on the client machine to allow a less secure connection. This is not recommended by Microsoft as it exposes the remote server to potential attacks.

Temporary Workaround (Use with caution):

You can modify the “Encryption Oracle Remediation” policy using the Group Policy Editor (for Pro/Enterprise editions) or the Registry (for Home edition).

Using Group Policy Editor (gpedit.msc):

Press the Windows key + R, type gpedit.msc, and press Enter.
Navigate to Computer Configuration > Administrative Templates > System > Credentials Delegation.
Double-click the Encryption Oracle Remediation policy.
Select Enabled, then change the Protection Level to Vulnerable from the dropdown menu.
Click Apply and OK.
Try your RDP connection again.

Using the Registry Editor (for Windows 10 Home):

Press the Windows key + R, type regedit, and press Enter.
Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System.
If a CredSSP key doesn’t exist, right-click on System, select New > Key, and name it CredSSP.
Inside CredSSP, create another new key called Parameters.
Inside Parameters, right-click and select New > DWORD (32-bit) Value, and name it AllowEncryptionOracle.
Double-click AllowEncryptionOracle and set its Value data to 2 (which means Vulnerable).
Close the Registry Editor and restart your computer.

Once the RDP connection is established, prioritize updating the remote server to a patched state, and then revert the above policy changes for security.

Method 1: CMD OR COMMAND LINE AS ADMIN

You can launch the following from an elevated (administrator-launched) CMD or command line:

REG ADD HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters\ /v AllowEncryptionOracle /t REG_DWORD /d 2

Method 2: Regedit

Run “regedit.exe” and go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters

There, add a DWORD value “AllowEncryptionOracle” and set it to 2.

Method 3: Local group policy editor

Run the command “gpedit.msc”. There, go to

Local Computer Policy\Computer Configuration\Administrative Templates\System\Credentials Delegation

Double-click the line “Encryption Oracle Remediation”. Set it to Enabled with Protection Level = “Mitigated”:

Method other

Fixed: credssp encryption oracle remediation

To fix this error you can follow the steps below:

Step 1: Press Windows key + R and type in regedit to open the registry.

Step 2: Go to the path [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System and create a CredSSP key if you don’t have one.

Step 3: Create the Parameters key inside the CredSSP key

Step 4: In Parameters create DWORD Value and name it AllowEncryptionOracle

Step 5: Double click on AllowEncryptionOracle key and set Value data to 2

Next, try to proceed with the remote again and see the results.

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Fixed: This could be due to CredSSP encryption oracle remediation,

Method 1: CMD OR COMMAND LINE AS ADMIN

Method other

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