In my case I'm using HMC version V7R7.9.0.1 to go to V8R8.2.0, if you not using that version see the post Upgrading HMC to V7R7.9.0.1...
Posted by Kairo Araujo on Fri 06 March 2015
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[sorry my bad english] 0. Check the firmware x HMC version matrix...
Posted by Kairo Araujo on Thu 05 March 2015