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Can not upgrade AOS from 3.3 to 5.0

I try to upgrade our 6000's AOS from 3.3 to 5.0. we can upgrade AOS from to, but we got the erro message "Error determining image version" while we upgrade from to We also try to upgrade to and, still got same erro message. So please help if you met same issue, thanks.
Guru Elite

Re: Can not upgrade AOS from 3.3 to 5.0

You need to make sure that the file is not corrupted. Do and md5 check on the file using the program here:

On the support website there is a md5 sum that will tell you what you should get for the downloaded image file.

*Answers and views expressed by me on this forum are my own and not necessarily the position of Aruba Networks or Hewlett Packard Enterprise.*
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