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DNS issue

Posted on 2013-06-05
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Last Modified: 2013-06-06
We have a server that I am able to ping using the DNS name but when I try to connect to it I can only connect using the IP address and it seems to be only an issue with certain users not all, does anyone have any ideas what may be causing this?

Thanks
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Question by:dcircolone
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9 Comments
 
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M Roe earned 500 total points
ID: 39223553
do you have any wins servers running?  This is a netbios issue and not a dns issue
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Author Comment

by:dcircolone
ID: 39223559
yes we do have a wins server running
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Expert Comment

by:M Roe
ID: 39223563
does it have the server listed in there and also do your computer have a wins server ip address assigned from dhcp
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Author Comment

by:dcircolone
ID: 39223662
the issue is when trying to connect to the server from out side the office, a user is trying to login to our video conference system using cisco jabber but we could only get them connected using the ip address of the server and not the name. would this be an issue with their ISP?
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Expert Comment

by:M Roe
ID: 39223728
routers usually do not forward netbios info unless you have port 137 and 138 udp open
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Expert Comment

by:M Roe
ID: 39223730
is this a computer that would use your network with vpn access
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Author Comment

by:dcircolone
ID: 39223960
no the computer does not connect to our vpn it just uses the jabber software to video conference with our office
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LVL 9

Expert Comment

by:M Roe
ID: 39225336
try to open up router port 137,138 and 139 just for that person on your router
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Author Closing Comment

by:dcircolone
ID: 39226066
the external user brought the laptop to a different location and everything worked fine, I am guessing there is an issue with his local provider, there have been no other issues
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