Resolved! Upgrade WiSM WLC 4.2 to 7.0 path needed.
I have a customer that has 4 WiSM1 blades in a 6500 chase. Each controller is running 4.2 code. I need the upgrade path from version 4.x to verson 7.x I already know that the WiSM1 blade is end of life. The latest code came out in April of 2013. ...