What sort of messages is the client displaying, and what do you mean by "fail" (no IP address? what?)
What sort of messages are you seeing on the wireless controller or AP?
If everything is working fine for other clients/users (ruling out the wireless network itself), the only time I have seen problems with WZC is due to older wireless card drivers and not applying the wireless client updates from Microsoft (http://support.microsoft.com/kb/917021). If you are using an Intel card, driver updates are a must.
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...
This is the start of a display filter cross reference between Wireshark and OmniPeek.
The 1st installment is a table of advanced filters. More filters will be added as time allows.
It is a living doc, so check back for changes every so often
Please feel ...
I have created a Powershell script to automatically add a Wireless Guest User on Cisco WLCs. (tested on 2500 Series)
The script should be completely self explanatory.
Powershell SNMP Module (Install-Module -Name SNMP)
SNMP Write Access to...