June 15, 2009
No Internet After Vista SP2 Upgrade; Gateway Missing; Fix
Several users have reported an issue in which the computer’s gateway is missing after the update to Windows Vista SP2. This issue generally results in an inability to connect to the Internet, although connections to LANs may still work.
Fix
The solution for this problem, as discovered by Ilja Herlein of the NetSetMan forums, is as follows:
- Click Start
- In the search box (or in or in “Run”) type regedit then press enter to open the registry editor.
- Navigate to HKLM > System > CurrentControlSet > Services > Tcpip > Parameters > Interfaces
- Select the CLSID of your network adapter that you are currently using.
- Open the value “DefaultGateway” (double-click it). You will see a list of all the gateways that has disappeared.The first line will likely be empty. Manually remove this first empty line, then click OK.
- Restart your computer.
Feedback? info@windowsfixup.com.
Filed under Windows Vista by on Jun 15th, 2009. Comment. 
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Comments on No Internet After Vista SP2 Upgrade; Gateway Missing; Fix
Oh my God!!! Windows is very, very horrible! I love my Suse!
Mate, you have got it right on the spot, it is the bug vista sp2 has got. Now I don’t lose default gateway after restart. Thanks for your time finding it, only I had to manually type the default gateway address in registry as it was empty.
Found this on another site yesterday. Problem solved.
In the HKLM regestry path,how can I tell which CLSID is my Atheros wireless adapter? None of the three entries has a DEFAULTGATEWAY key. I need help adding this. thanks.