I beleive what you are seeing is a Microsoft feature with the way the SAM is created when you logon. Basically Windows 2000 will remember who you are until you logout of Windows, no matter how many times or how long you are disconnected from the network.
To fix what you are seeing, you wold also have to go to the Start menu and logout there.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...