wrote:
> I have Vista Home Premium with SP1 and all the updates installed. I
> have a MSI PC60G wireless adapter, with the latest driver, and it is
> unable to connect to my Linksys WRT54GL router with WPA or WPA2. I
> know that the router is working fine, because I can use an XP laptop
> to connect to the router using WPA or WPA2. But with the Vista
> machine, it always shows a "The wireless network security key is not
> correct" when I use the diagnose option to see why it doesn't connect
> using WPA/AES or WPA/TKIP or WPA2/AES or WPA2/TKIP. Vista can tell
> that the network is there, as it shows the network name with 5 green
> bars in the wireless connection window. It can also tell when I have
> changed the security settings on the router, as it will say "The
> settings saved on this computer for the network do not match the
> requirements of the network." But it just won't connect to the router
> using WPA or WPA2 for some reason. If I configure the router with
> WEP, then Vista connects fine, but I want to use WPA or WPA2.
>
> Can someone please confirm that wireless connections using WPA and
> WPA2 are working in Vista? If so, then it must be a problem with the
> PC60G wireless adapter. The PC60G uses a Ralink RT2561 chip, and I
> have the latest driver installed for that. I even tried the latest
> MSI driver, which is older than the latest Ralink driver, and that
> still did not work. MSI says that the PC60G supports both Vista and
> WPA2, but something is not working here.
I also have a Vista Home Premium SP1 machine which has an AR5007
wireless card and have no problems with WPA2-PSK/AES encryption.
Have you tried rolling back to pre-SP1 to see if it works and if it is
the SP1 upgrade that is the problem as both sets of drivers are pre-SP1.