Cisco 1200 / 1100 AP WPA and Pocket PC (PDA)

Hi, maybe someone can help me with the following problem,

I have a test enviroment consisting of Cisco 1100 and Cisco 1200 Access
Points and also different Handhelds (HP, Acer, Fujitsu-Siemens etc)

Connection from the PDA to AP using WPA Pre shared key, nothing
special.

In this enviroment it is only possible to establish a connection to the
AP with the IOS Version 12.2(13)JA4.

After Upgrading to a different version (higher) it is not possible to
establish a connection using WPA (although WEP still works). I have
tried the following Versions without any success:
12.3(4)JA, 12.3(2)JA2, 12.3(7)JA

Obviously there seems to be a change after upgrading the AP...?
Does anyone know if this could be overrun by changing something in the
AP Config.

For the tests I am using a very basic config with only encryption tkip
and wpa-psk..


Maybe someone has also come across this problem and has a workaround or
a solution.

Thanks
Stuart

.

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