@Daniel Annable There are several potential cause of this issue, so could you please help me with the below answer:
- What kind of root certificate did you use? Enterprise certificate, or generate a self-signed certificate.
- Have you uploaded the the root certificate public certificate data?
- Is the installed in the correct directory in Certmgr 'Certificates - Current User\Personal\Certificates'?
Based on the error message have you referred to the troubleshooting article
There is also similar thread discussion in SO forum, refer to the suggestion which may give you some idea on your query.
I assume issue may be related to certificate, please cross check once: https://learn.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-certificates-point-to-site
Hope this helps!Kindly let us know if the above helps or you need further assistance on this issue.
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