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Can not get to remote exchange server when using dhcp

Posted on 2004-11-19
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Last Modified: 2010-04-12
I have a hosted exchange server at XO.  My office has static IP's internally.  I use outlook to access the exchange server just fine.  When I goto my home I have a static IP and it works fine.  But if I go anywhere else, hotel, another home or anywhere using a dynamic IP it says the server can not be located.  

so I'm try'n to test with an ISP called SBC.  They say they block no ports, like 135.  There is no firewall software or hardware.

any ideas?
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Question by:mccormis
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Author Comment

by:mccormis
ID: 12629523
And testing with sbc same results.. server can not be found.
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Expert Comment

by:grblades
ID: 12637896
Hi mccormis,
Are you the network administrator?
Maybe it is configured so that only the office can connect direct to the exchange server?
Is there web access on the exchange server? Does this work remotely?
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Author Comment

by:mccormis
ID: 12657363
Well I'm not the administrator for the exchange server b/c we have it hosted remotely.  So in reality we are a remote location.  Just one big one.  
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Accepted Solution

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grblades earned 500 total points
ID: 12657736
I think you will need to diagnose it from the server side so you will need access to the machine. Check that there is no firewall or exchange config limiting access to particular IP addresses.
You may need to run a network analyser such as ethereal (www.ethereal.com) and capture the data coming from a working and non working location to see what is not getting through.
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Author Comment

by:mccormis
ID: 12667875
well i know that there is no IP range as I can access it from outside the network from my house which has a static IP.  I'll check out your other advice though.
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