The error occurs when they try connecting to another PC with the Remote Desktop Connection app. This issue has become increasingly prevalent since May 2018 updates for Windows 10. These are a few resolutions that might fix the authentication error that has occurred error in Windows.

How can I fix Remote desktop an authentication error has occurred?

1. Adjust the Remote Desktop Settings

To fix the Remote desktop an authentication error has occurred the function requested is not supported error, you need to adjust remote desktop settings by doing the following:

2. Enable Encryption Oracle Remediation

To fix The remote desktop an authentication error has occurred, the function requested is not supported error, try enabling the Encryption Oracle Remediation policy setting with the Group Policy Editor.

3. Edit the Registry

In order to fix the Remote desktop authentication error that has occurred, the function requested is not supported error, you need to edit the AllowEncryptionOracle registry key.

4. Remove the May Updates

On the Remote Desktop, an authentication error has occurred the function requested is not supported error is primarily due to the May KB4103727 Windows 10 update. SPONSORED Thus, removing the KB4103727 update from Windows on the client desktop or laptop might fix the Remote Desktop connection error. You can uninstall those updates as follows.

5. Perform an in-place upgrade

If you want to fix An authentication error that has occurred code 0x80004005 error, it’s advised to perform an in-place upgrade. To do that, follow these steps: If you need more support in terms of remote desktop software solutions, you can visit our article where you will find the best remote troubleshooting tools for your Windows 10 PC. We suggest you try Mikogo, a lightweight remote control software that efficiently offers remote troubleshooting support. Those are some of the resolutions that will kick-start your Remote Desktop connection. This post also provides further tips for fixing Remote Desktop connections.

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