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Cannot Find Server Or DNS Error on LAN intranet

I have a small LAN and am having problems with the web servers on 1 computer..

I have a computer with XP Pro SP2 and IIS running. The static LAN address of this PC is When I open the browser on this machine and enter i get what expecet (the contents of a file called index.html). However if i go to a second PC on the network and type then I get a "Cannot find server or DNS Error". BUT I can ping the machine first machine from the second PC.

So I investigated further... I also have IIS running on the second machine (Windows 2000 Pro). So, from the first machine I type http://SECONDMACHINENAME/ and hey presto I get the default web page on the second machines server.

As far as I can tell the XP and Widows 2000 IIS servers have exactly the same settings so I dont understand why I can access one server across the LAN but not the other... is this a problem with XP Pro SP2 {Im sure it used to work before I installed SP2 but I may be wrong}...

Any ideas
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1 Solution
Interesting issue

Not sure if this would help

Download and install this update and see if that would help .

May be SP2 is the culprit..

check this

Alternatively, server applications that are running on a Windows XP SP2-based computer may not respond to client requests. Following are some examples: • A Web server such as Internet Information Services (IIS)
• Remote Desktop
• File Sharing

here : http://support.microsoft.com/default.aspx?kbid=842242

hplloydAuthor Commented:
Solved the issue with this article:


Tis the new security within XP2 Firewall

Glad you got it solved.. I would not be surprised if firewall tweaking would not helped as according to the MS KB article which came few days after SP2 was introduced , they say web server like IIS may not work.. I guess MS is realizing all issues and giving solutions

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