"No Internet Access"
I'm using Windows 7 RTM 32bit. My internet access is working perfectly fine, however the Network and Sharing Center is reporting "No Internet Access". My laptop is behind a firewall (ISA).I've read a few posts on the forums that it was supposed to be fixed by RTM or that you need to disable IPv6, but no suggestions worked. Anyone still having this problem?Mike
October 7th, 2009 3:13pm

I assume you're using wireless and have you try using cable instead? And are you behind a router and did you ensure that the ssid and passphrase is set accordingly on both router config as well as on the laptop as well? Any third party firewall being install on the laptop?
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October 8th, 2009 6:21am

Hi Mike9,Network Connectivity Status Indicator (NCSI) is a feature since new Windows Vista. It is designed to be responsive to network conditions, so it examines the connectivity of a network in a variety of ways. One test failed, NCSI may report a error, even if the networking actually can be accessed fully. For example, NCSI tests connectivity by trying to connect to http://www.msftncsi.com, a simple Web site that exists only to support the functionality of NCSI. Please try to manually visit the following website, you should see “Microsoft NCSI”. http://www.msftncsi.com/ncsi.txt For more information about NCSI, you can refer to the following article: Appendix K: Network Connectivity Status Indicator and Resulting Internet Communication in Windows Vistahttp://technet.microsoft.com/en-us/library/cc766017.aspx Sometimes, we can access the http://www.msftncsi.com/ncsi.txt file in IE, but the NCSI still fails. It is because the NCSI traffic is not sent via IE but via WinHTTP component and use proxy specially. A proxy server which requires user authentication won't allow it access Internet. Basically, NCSI must perform extra steps in an environment that has proxy servers. Web Proxy Automatic Discovery (WPAD) proxy detection is recommended. If WPAD is not used, configure WinHTTP proxy settings to help NCSI: netsh winhttp set proxy command For more information: TechNet article “Automatic Discovery for Firewall and Web Proxy Clients”http://www.microsoft.com/technet/isa/2004/plan/automaticdiscovery.mspx 927551 Windows Vista Support WebCast: Troubleshooting Network Issues on Windows Vista - New Network Diagnosticshttp://support.microsoft.com/default.aspx?scid=kb;EN-US;927551 937151 You cannot connect to the Internet from a Windows Vista-based computer that uses a local .pac filehttp://support.microsoft.com/default.aspx?scid=kb;EN-US;937151 Hope it helps.
October 8th, 2009 10:59am

I'm not using wireless, as a matter of fact I disabled the card completly. In our environment, we aren't using WPAD, but GP for pushing out proxy settings. Yes, I know it's not the most effient way of doing this, but I didn't set this up and just never had the time to get his changed. Internet access works perfectly fine. I can manually browse to http://www.msftncsi.com/ncsi.txt without any issues. I will however, look into the articles you linked and see if I can resolve it, but I won't be able to do much until probably next week. I will follow up sometime then.Thanks for the replies.MikeMike
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October 8th, 2009 4:03pm

If you have any update, please post them here. Thanks. :)
October 9th, 2009 10:54am

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