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outlook from windows 98 laptop dialup

By Shanghai Sam ·
I have a Windows 98 laptop that connects to the network both through a network card and a dialup modem.The user can get to outlook as expected when connected via the network card. When he uses dialup he gets to the network. When he tries to open Outlook he gets the message: "Your Microsoft Exchange Server is unavailable". I know for a fact it is available. This functioned properly prior to April 24, 2002 for the past 3 years.He says he didn't change anything, it just stopped working. I'm inclined to believe him because he is quite p.c. literate. I tried various fixes.Obviously I'm overlooking something.
Please help asap as this is the boss's laptop!

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outlook from windows 98 laptop dialup

by DKlippert In reply to outlook from windows 98 ...

Try adding an HOSTS file on the remote computers specifying the IP address and name of the Exchange Server.
ie

198.168.00.01 ALPHA #PRE

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outlook from windows 98 laptop dialup

by Joseph Moore In reply to outlook from windows 98 ...

Actually, it is the LMHOSTS file that you should modify with the #PRE command.

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outlook from windows 98 laptop dialup

by LordInfidel In reply to outlook from windows 98 ...

Did you add any VPN or Firewall around that time?

When you say, "Uses dial-up to get to the network" What do you mean by that. Can he get to network services(the file server on the network) or do you mean that he can just ping the firewall?

Where is he dialing into?

Did he put a personal firewall on his system?

The lmhosts file entry will definitely help.

If he opens a command prompt and types in the netbios name of the mailserver, what happens (on dial-up, not lan)

If it times out, then that is the problem. If it resolves and replies back. Then you need to look at rpc communication (tcp 138/139) thru the public net into your network..... I hope your using a vpn for that.

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