Method 1: Allow Microsoft CHAP Version 2Follow the Instructions on Post # 11 Hi.. That should fix it ..
Additionally, because this is an error with the VPN connection you may need to change the VPN properties in order to gain access. While changing the authentication level and encryption settings may help with the receiving end of the VPN connection, the problem may also be with the sending of the connection, which is why you might need to change the protocol for the VPN to connect with the VPN differently.
Hold the Windows Key and Press R. Type ncpa.cpl and Click OK.
Right Click your VPN Connection and choose Properties.
Go to the Security Tab, and put a check on the following two settings.
Nothing shows up for me on the "following two settings"
Can you tell me what boxes are checked? I don't see anything in that box.