How to Fix "CredSSP Encryption Oracle Remediation" Error in Remote Desktop Connection

Meta Description: Encounter "CredSSP encryption oracle remediation" error when using Remote Desktop Connection? Learn how to fix it with our step-by-step guide using gpedit.msc and registry.

 

Keywords: CredSSP, encryption oracle remediation, error, Remote Desktop Connection, gpedit.msc, registry, security update, vulnerability, Windows Server Update Services, ms KB4093120

 

Are you encountering the "CredSSP encryption oracle remediation" error when trying to use Remote Desktop Connection? Don't worry, we have a solution for you. Follow our step-by-step guide to fix the error using gpedit.msc or registry.

 

The "CredSSP encryption oracle remediation" error is caused by a security update that wasn't installed correctly. To fix this, you need to install the ms KB4093120 security update from April. If you cannot install the update, try our workaround solution using gpedit.msc or registry.

 

Here are the steps to fix the error using gpedit.msc:

 

Open gpedit.msc on the client computer that has the CredSSP update installed.

Navigate to Computer Configuration > Administrative Templates > System > Credentials Delegation.

Enable the Encryption Oracle Remediation policy and change the Protection Level to Vulnerable.

Alternatively, if you cannot use gpedit.msc, follow these steps to fix the error using the registry:

1 Open a Command Prompt window as Administrator.

2  Run the following command: REG ADD

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

It's important to note that changing the Protection Level to Vulnerable may pose a security risk. Therefore, it's recommended to install the ms KB4093120 security update if possible.

In summary, the "CredSSP encryption oracle remediation" error can be fixed by installing the ms KB4093120 security update or using gpedit.msc/registry to change the Protection Level to Vulnerable. Ensure your system is secure by installing the recommended security update when possible.