Azure VPN sign on error 798

Question

When I sign on to the vpn i get error 798 certificate could not be found. Please HELP - there is no help button!!!! I have searched for a solution but there is mention of a few certificates and method to renew, but looking for the thread none seem to apply to my options. I cannot find an expired certificate to renew. I am not technical so please keep answer simple. Thanks

Answer 1

@Sales PSI Displays
Thank you for reaching out.

I understand you are getting Error 798. Can you please try the troubleshooting steps mentioned here and see if that resolve the issue.

• Symptom: When you try to connect to an Azure virtual network by using the VPN client, you receive the following error message:

A certificate could not be found that can be used with this Extensible Authentication Protocol. (Error 798)

• Cause

This problem occurs if the client certificate is missing from Certificates - Current User\Personal\Certificates.

• Solution

To resolve this problem, follow these steps:

Open Certificate Manager: Click Start, type manage computer certificates, and then click manage computer certificates in the search result.

Make sure that the following certificates are in the correct location:

Go to C:\Users<UserName>\AppData\Roaming\Microsoft\Network\Connections\Cm<GUID>, manually install the certificate (*.cer file) on the user and computer's store.

Please let me know if the issue still persists. Thank you!

Additional reference: https://learn.microsoft.com/en-us/answers/questions/1311355/a-certificate-could-not-be-found-that-can-be-used