Good link... I think that this single statement points out what is happening in many cases:
*NCSI is designed to be responsive to network conditions, so it examines the > connectivity of a network in a variety of ways. 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.* > -*ASB*: http://XeeSM.com/AndrewBaker <http://xeesm.com/AndrewBaker> Providing Competitive Advantage through Effective IT Leadership On Tue, Sep 29, 2009 at 2:02 PM, Richard Stovall < [email protected]> wrote: > I think I may have found the phantom “MS URL”. > > > > http://technet.microsoft.com/en-us/library/cc766017%28WS.10%29.aspxdescribes > how Vista and above reach out to > http://www.msftncsi.com/ncsi.txt > > > > When I get it all figured out I’ll post back to the group… > > > RS > > > > > > *From:* Carl Houseman [mailto:[email protected]] > *Sent:* Tuesday, September 29, 2009 10:12 AM > *To:* NT System Admin Issues > *Subject:* RE: Vista, 7, etc method of determining if a network connection > has "Internet Access" > > > > Did you actually lose Internet access or did it just tell you it had no > access? > > > > I see Vista frequently become confused about Internet access – it says I > don't have it, but I actually do. It determines Internet access by > checking whether it can get to a certain MS URL – if not, then it reports > Local Only. So I'm guessing maybe sometimes that site isn't responding, or > it doesn't re-check very often, or some such thing. > > > > Carl > > > > *From:* Mike Gill [mailto:[email protected]] > *Sent:* Tuesday, September 29, 2009 12:33 PM > *To:* NT System Admin Issues > *Subject:* RE: Vista, 7, etc method of determining if a network connection > has "Internet Access" > > > > I had a problem recently with Vista claiming “local access only”, which > sounds similar maybe to what you’re dealing with. Vista wouldn’t allow me to > get online. Ultimately I updated the wireless driver which solved it. But > before that I tried per this advice found on google which may be helpful to > you: > > > > - disabling any IPV6 protocols bound to the NIC > > - *netsh* interface tcp set global autotuninglevel=disabled > > - Edit registry to add DhcpConnDisableBcastFlagToggle (1) to > MKLM\System\currentcontrolset\ > services\tcpip\parameters\interfaces\{GUID for wireless card} > > - Or use this tool instead of the regedit: > http://www.reviewingit.com/index.php/content/view/61/1/ > > > > The odd thing was I had varying degrees of success with each of the items > in the list. But upon reboots I would lose access again. > > > > -- > Mike Gill > > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of > > Richard Stovall > > Sent: Monday, September 28, 2009 4:18 PM > > To: NT System Admin Issues > > Subject: Vista, 7, etc method of determining if a network connection has > > "Internet Access" > > > > Does anyone have a good reference that explains exactly how Vista and > > newer Microsoft Operating Systems determine whether a particular NIC has > > "Internet Access?" I'm talking about the really annoying 'feature' > > where the network stack automagically tries to determine whether a > > particular NIC has a route to the internet. > > > > I'm curious b/c our Pix SmartFilter plugin (now owned by McAfee) is > > messing with a couple of machines and breaking their ability to actually > > get to the internet. If I disable filtering for the machines' ip > > addresses there's no problem at all. With filtering enabled they > > completely lose their ability to get on the internet when their DHCP > > leases renew and you have to disable then re-enable the NICs. > > (SmartFilter of course says that there's no way it's related to their > > product...) > > > > TIA, > > RS > > > > > > > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
