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I know this something very very few people have ever attempted, but Windows 7 can't seem to handle more than two outgoing L2TP VPN connections. SSTP does not exhibit the same problem (can't say for the other protocols as I don't have 3 of any of those available to test). If you attempt to connect an L2TP VPN connection when two other L2TP connection are already active, you immediately get the following error: Windows 7 L2TP Error

I can switch around which two I'm connected to, but I can never connect more than two. If I use SSTP, all three work just fine.

This seems very odd to me. Why would it matter on the client side which type of connection I'm using. I can see a limit of one, but a limit of two seems very odd. If the limit was intentional, I would expect all types of VPNs to be limited and that there would be a much more descriptive error message, or just silent failure.

Is there any way around this limit? Some registry key that limits it?

  • I have found this problem applies to SSTP as well. superuser.com/questions/931665/… – franzo Dec 30 '16 at 2:32
  • I'm not sure why that's happening to you and didn't happen to me. I actually tested connecting three simultaneously and had no problem. There may be some other hidden variables at work. – James Dec 30 '16 at 4:21
  • perhaps you had 1 LT2P and 2 SSTP or vice versa? – franzo Jun 17 '17 at 5:47

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