If I try to log on to my company's VPN, Vista simply says that it failed. If I deliberately use the wrong password, then it prompts me for a new one, meaning that it is at least reaching the VPN server and authenticating me.
In the event log, I have the following error logged against RasClient:
The user User-PC\User dialed a connection named xxxx which has failed. The error code returned on failure is 812.
What is error 812, and more importantly, how do I make it go away?