VPN client: Error 51: Unable to communicate with the VPN subsystem. Please make sure that you have at least one network interface that is currently active and has an IP address and start this application again. Windows 7 64x VPN client 5.0.07.0440
Currently a couple of users aren't able to work from home.
My company uses an ASA5505 wher other VPN sessions are active.The clients with these errors run Windows 7 prof 64 bit with the VPN client 5.0.0.07.0440 version.
VPN: client error 51: Unable to communicatie with te VPN subsystem. Please make sure that you have at least one network interface that is cu
rrently active and start this application again.
In the past everything worked fine. I assume a windows update and or a restart of the system has caused these errors.
The binding of the network adapters is because of DNS resolvers
first CIsco LAN
second internal company network lan
third wife home user
fourth wifi compay network
In the control panel no Cisco VPN configuration panel applet is available.
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...