@PhilipDAth wrote: Error code 691 can be caused when the pre-shared key doesn't match. If you don't mind, could we try breaking the problem into smaller chunks. I've had error 691 before when the pre-shared key was too complex, and either Meraki or the client couldn't handle special characters (don't know which). Could you try changing the pre-shared key to something simple like "password". If that resolves it then change it to something more complicated, but not as complex as you had before. If that doesn't resolve it, stick with using password and change to using "Meraki Authentication". If this resolves it then we know the VPN part is fine, it is something to do with the RADIUS setup that is not working. If it is still broken then it is fudamentally something wrong with the VPN side. If it is still not working please try disabling antivirus or anything that installs a network shim. For example, Dell computers are famous for coming with some software called "SmartByte" which breaks the Windows VPN. I tried it with a simple password and doing the meraki authentication. That works. Same IPSEC password but on RADIUS doesn't work even with a simple password between the RADIUS and meraki. Disabled windows firewall as a test.
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