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Cannot connect exchange server through cisco l2l vpn

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by dbritton

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I just got my site-to-site vpn up through 2 cisco 871w routers. I go the vpn link up through cisco sdm and I can ping across the vpn tunnel to the exchange server, but I cannot connect to the mail server to update my mail.

3 replies

by sgt_shultz

so many things can happen. I'd search for vpn 'no access' at support.microsoft.com and cisco to get you started as you haven't told us much of what you've tried. did you check the security and apps event logs on all concerned boxes (dc, exchange server, workstation?).
for example, a common rookie mistake: for this to work, you are going to need to logon to the domain once from within the lan. exact same username and password as when sitting at a lan computer. that'll set up a profile for you to use 'off' the lan. You'll be using 'cached credentials'.

by steve goldman

I'm having the same issue. I have been able to ping various hosts on the internal LAN by FQDN but Outlook refuses to connect to Exchange. Can you give me any more pointers on where to look? If it were a credentials issue, I would be prompted for a login and password.

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