Sounds like you missed a step in the VPN configuration but I am glad you resolved it. In the allowed protocol, Unencrypted Password (PAP) is what is used and it appears you did not have that previously. So just a heads up for the next client, use tha...

In the solution post, the link goes to the documentation that Carlos used.For your specific error within that documentation, here you go: https://documentation.meraki.com/MX/Client_VPN/Troubleshooting_Client_VPN#Windows_Error_809Hope this helps you.

Hopefully, but doubtful on my part, the quarterly update tomorrow will give us something on this front.

@grimm_j Unfortunately, it is critical. The Internet infrastructure has changed so much that many service providers are going full IPv6. This becomes very important, especially organizations that are at the cutting edge pushing the boundaries of tech...