Thursday, March 05, 2009

Problem with Windows Vista VPN resolved

I've been using a PPTP VPN connection from my Windows Vista box for a while, and suddenly it just stopped connecting, and throwing error code 800. After many hours of banging my head against the wall and googling for a solution, I finally found it at this link. It turns out to be related to Microsoft Virtual PC 2007.
"If you have installed Virtual PC 2007 on your machine, it can happen that some windows update (I would really like to know which one) destroy some kind of mapping between VPN connection and WAN Miniport driver."
To fix it you need to uninstall "Virtual Machine Network Services" on your physical network adaptor properties.


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