Well you should open a TAC case now and see if TAC will walk you through manually loading the image. If not, it's most likely will be an RMA. I usually upgrade manually just so I can see what's going on.
Hmmmm .... When the client upgraded from 4.X to 7.X did they upgrade to an interim software? With the 4400 you just can't jump from 4.X to 7.X in one leap. It's in the Release Notes and there's a matrix.
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...