Slow down when connected to PDM Vault

I have a user that has a Dell m4300 laptop, 4 gig RAM, core 2duo processor, 32bit XP. He is running Solidworks 2008 sp2. He isat a customer site and when he connects to their vault, his entirelaptop slows down. He checks out a license from our server and hislaptop runs fine until he connects to their vault. It is on a 1gbpsconnection. None of the other users there experience this issue. Assoon as he disconnects it from the vault it runs fine again. Arethere any known issues with this or does anyone have any idea whyit the entire laptop would slow down while connected to thevault?SolidworksAdministration