It is possible that there is an inactivity timeout set for VPN connections. You might try keeping a ping active (use ping -t in Windows) and see if the connection stays up. It is also possible that, if you are using IP connection sharing at your remote location, your connection is timing out. Either way, a ping may be able to keep the connection up.
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I'm having trouble with ISA server and VPN setup, do you have any solutions or Web sites to visit fo
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