We just got a WLC 4002 with 126.96.36.199 software version. I have followed a procedure to upgrade and I know I need to follow this path 188.8.131.52->4.1->184.108.40.206->5.2
However, I have tried to transfer the 4.1.185 on my controller and I get a
TFTP Failure while storing in flash!
Has anybody experience this?? any adive?