RE: SBS 2003 VPN issue through ISA

Hello Miles,

The XP clients and the TS are in the same network and same domain. The VPN
connections are established from the clients themselves using Cisco VPN
client. The SBS box or router is not acting as a VPN server as mentioned
VPN's are established from the XP clients/TS themselves. We have an office in
one city where all our network infrastructure is located (including TS) and
an Office in another city basically just using Terminals to connect to the TS
in the main office.

The TS is working fine, users connect to the TS via the RWW, external users
can connect and we can create the VPN FROM the TS and it connects ok but it
appears ISA is somehow dropping the connection according to the logs.

The XP clients and the TS VPN's are configured excatly the same way and we
have a rule setup in ISA to allow the required ports, as mentioned up until
about a week ago the TS was establishing VPN connections fine. Nothing has
changed in ISA or the network and the XP clients are still working without
issues.

The third party application basically extracts data from a program running
on the internal network and fires up a browser which establishes the
connection via VPN allowing us to send data over a secure connection to a
remote location.

I will email through the logs

Thank you for your help

"Miles Li [MSFT]" wrote:

Hello,

Thank you for posting here.

According to your description, I understand that:

You cannot connect to the Terminal Service in the SBS network to access the
application.

If I have misunderstood the problem, please don't hesitate to let me know.

Information needed:
=======================
1. For a clear understanding of your scenarios, could you please explain
your network topology? Are the XP client and the TS sever in the same
network? If yes, why/how the VPN connection is used on XP client and TS
server?

2. Is the SBS server with ISA acting as the VPN server? If not, what else?

3. Could you explain more about the "VPN connection on the TS"?

4. What is the symptom that third party application on the TS server no
longer works? Does it means that you cannot establish a remote desktop
connection to the TS server from the client?

5. Please reproduce the issue, take a live log on the ISA and then output
the complete logs. You may send the log to me at v-mileli@xxxxxxxxxxxxx for
investigation.

Hope it helps. If you have any questions or concerns, please do not
hesitate to let me know.





Best regards,

Miles Li
Microsoft Online Newsgroup Support

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