I have a an issue with one particular VPN user. They are using the built in Windows Vista client to connect to my ASA 5510. All other users do not have an issue and i receive the following error at roughly the same time of day when the drop happens. Authentication is done by my AD Server which handles all logins.
<177>%ASA-1-713900: Group = DefaultRAGroup, Username = username, IP = x.x.x.x, construct_ipsec_delete(): No SPI to identify Phase 2 SA!
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...