Is the certificate installed in the user context or the system context? Chances are the certificate ahs been installed by a user other than administrator. You need to use the Microsoft MMC Certificate console to make sure that it's installed in the correct context.
You need to install the ACS Root Certificate (3rd Party Root Certificate, if ACS is using a 3rd Party Certificate) to the Trust Agent Store respository, which is different from the Machine\User repository managed by the MMC Snap-in.
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...