Archived from groups: microsoft.public.windows.networking.wireless (
More info?)
That may be true. I have avoided this configuration ever since. The only
commonality was it was all Linksys equipment (routers, nic's) with the
latest drivers and firmware available at the time.
Thanks for the added info.
Carey
"Pavel A." <pavel_a@NOwritemeNO.com> wrote in message
news:%23gEevTQzEHA.3976@TK2MSFTNGP09.phx.gbl...
> Carey , AFAIK this is a bad driver. Good drivers should return the SSID
> of the associated AP in the scan list, even if the SSID is missing in the
> actual AP beacon. Then wzcsvc will see that it still is connected
> to a prefferred AP and has no reason to switch away.
> If you connect to a hidden AP, and it becomes visible
> in the scan list - the driver does this correctly.
>
> Unfortunately, the spec on 802.11 divers in WinXP DDK is outdated,
> the latest spec is available separately on the WHDC site. Also, Windows
> HCT
> does not test working with hidden APs. Recent driver updates
> most probably have this issue fixed.
>
> Regards,
> --PA
>
> "Carey Holzman" <uce@ftc.gov> wrote in message
> news:uHtUiGGzEHA.3708@TK2MSFTNGP14.phx.gbl...
>> Thanks for info Pavel. I have personal experience with this issue with at
>> least three different customer locations where there was no setting that
>> made a difference on the XP machines. The SSID in each case was not being
>> broadcast and they each had a different SSID that was being broadcast
>> that
>> the wireless PCs would randomly connect and disconnect to.
>>
>> By enabling the SSID for each of these three customers, the wireless
>> problems went away.
>>
>> Carey
>>
>> "Pavel A." <pavel_a@NOwritemeNO.com> wrote in message
>> news:e2WmQhFzEHA.1564@TK2MSFTNGP09.phx.gbl...
>> > Apologies for being not clear enough. What I wrote
>> > was not a quotation from that KB article, it was in addition to it
>> > (based on some "insider knowledge" and experience ).
>> >
>> > If XP machine is is connected to AP1 that is not
>> > broadcasting its SSID, and AP2 that is broadcasting its
>> > SSID (*different from that of AP1*) appears nearby, and XP switches to
>> > AP2 - then the 802.11 driver is defective and needs to be updated.
>> > (assuming Wireless configuration is done properly and no other
>> > applications
>> > interfere with Wzcsvc, and no unusual RF conditions )
>> >
>> > Regards,
>> > Pavel A.
>> >
>> > "Carey Holzman" <uce@ftc.gov> wrote in message
>> > news:uu7a436yEHA.2752@TK2MSFTNGP11.phx.gbl...
>> >> I have no idea where you got that quote. The name of the SSID is
>> >> irrelevant.
>> >> Let me quote it for you:
>> >>
>> >> When your Windows XP Service Pack 1 or Service Pack 2 (SP1 or
>> >> SP2)-based
>> >> Wireless Zero Configuration (WZC) client computer is in the proximity
>> >> of
>> >> two
>> >> wireless access points, and one of the access points is broadcasting
>> >> its
>> >> Service Set Identifier (SSID) but the other is not, your computer
>> >> always
>> >> connects to the access point that is broadcasting its SSID. This
>> >> occurs
>> >> regardless of the preference order of the networks that are configured
>> >> on
>> >> the Preferred Networks list.
>> >>
>> >> Additionally, when your computer is connected to an access point that
>> >> is
>> >> not
>> >> broadcasting its SSID, and another access point that is broadcasting
>> >> its
>> >> SSID is enabled nearby, your computer automatically connects to the
>> >> access
>> >> point that is broadcasting its SSID.
>> >>
>> >> "Pavel A." <pavel_a@NOwritemeNO.com> wrote in message
>> >> news:uzz39e3yEHA.1392@tk2msftngp13.phx.gbl...
>> >> > "Carey Holzman" <uce@ftc.gov> wrote in message
>> >> > news:eoAR4M3yEHA.804@TK2MSFTNGP12.phx.gbl...
>> >> >> No, the name of the SSID has nothing to do with it. Go back and
>> >> >> re-read
>> >> >> the
>> >> >> knowledgebase article please.
>> >> >
>> >> > Carey, I've read it.
>> >> > Again: a non-hidden AP will override any hidden AP *with same SSID*.
>> >> > If the SSID of a non-hidden AP is not in the preferred list, and
>> >> > connection
>> >> > to non-preferred APs is disabled - then no problem, you won't
>> >> > connect
>> >> > to it anyway.
>> >> >
>> >> > Regards,
>> >> > --PA
>> >> >
>> >> >> "Pavel A." <pavel_a@NOwritemeNO.com> wrote in message
>> >> >> news:uHpFR11yEHA.1204@TK2MSFTNGP10.phx.gbl...
>> >> >> > "Carey Holzman" <uce@ftc.gov> wrote in message
>> >> >> > news:ep$7k4syEHA.3808@tk2msftngp13.phx.gbl...
>> >> >> >> It becomes a problem when you have a neighbor who also has a
>> >> >> >> wireless
>> >> >> >> router
>> >> >> >> and their signal overlaps yours.
>> >> >> >
>> >> >> > And also the neigbor's SSID must be same as yours.
>> >> >> > (so a hijacker can sniff your SSID and set it to their AP to
>> >> >> > "capture"
>> >> >> > your PC -
>> >> >> > in this case only mutual authentication of PC and network/AP can
>> >> >> > help )
>> >> >> > --PA
>> >> >> >
>> >> >> >> It's all explained here:
>> >> >> >>
http://support.microsoft.com/default.aspx?scid=kb;en-us;811427
>> >> >> >>
>> >
>> >
>> >
>>
>>
>
>