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I am having an issue on Windows Server 2008. Basically the problem is that whenever my local hostname is used in a browser it fails to resolve. As far as I can tell the name is correctly set, I can ping it and hostname returns the correct value.

Failed to resolve in IE (same in FF)

I can access the url if I enter IP manually but it is a "click-once" application that attempts to access online resources and it can not do that. I presume for the same reason that the browser fails to resolve the hostname.

ipconfig /all

C:\Users\Administrator>ipconfig /all
Windows IP Configuration
   Host Name . . . . . . . . . . . . : sips5
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
   Physical Address. . . . . . . . . : 12-34-56-78-99-00 //NOTE - MODIFIED. 
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv4 Address. . . . . . . . . . . : xxx.xxx.94.5(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.128
   Default Gateway . . . . . . . . . : xxx.xxx.94.126
   DNS Servers . . . . . . . . . . . : xxx.xxx.19.82
   NetBIOS over Tcpip. . . . . . . . : Enabled

I have an entry for sips in the hosts file as well.

xxx.xxx.94.5          sips5                          #

As I said I can ping it as well.

Any help would be appreciated.

Edit1 - nslookup for sips5

Server:  de307623-frankf-dns-ns1.xxxx.xxxxx.com
Address:  xxx.xxx.19.82

*** de307623-frankf-dns-ns1.xxxx.xxxxx.com can't find sips5: Non-existent domain
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1  
What does nslookup tell you about SIPS5? –  Ƭᴇcʜιᴇ007 Jun 27 '12 at 12:52
1  
Are you above a proxy? –  Diogo Jun 27 '12 at 12:54
    
@techie007 - see modification. The DNS server cannot resolve it, but I thought that the resolution rules for Windows would get hostname first and then query hosts. –  Dennis Jun 27 '12 at 13:16
    
@Diogo - How can I check this? It's in a secure LAN as far as I know. –  Dennis Jun 27 '12 at 13:17
1  
@Dennis You need to check the browser's settings to determine whether you're using a proxy. For Internet Explorer (which it appears you're using) do the following: Win + R, inetcpl.cpl, ENTER. On the "Connections" tab, click the "LAN settings" button - proxy settings will then be displayed in the lower half. Note that if your browser is set to auto-detect or use a configuration script (defined in the upper half), you may be receiving proxy settings from the network administrator also. –  Iszi Jun 27 '12 at 20:35

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