Sometimes when you have strange network issues, you need to reset the IP stack. An example of this is a computer that can’t to DNS lookups with the same DNS server settings as another computer that works. Resetting the IP stack fixed this, in my case.
To reset the IP stack, type the following command into the command prompt:
netsh int ip reset C:\logfile.txt
* C:\logfile.txt can be any file / directory and is the location of a log file that tells you what the command did.
Once you’ve run this command, restart the computer.
While this works fine in Windows XP, to reset the IP stack in Windows 7 you have to run the command prompt as an administrator to satify UAT’s security. This can be done by right clicking the command prompt link and clicking Run as Administrator.