Extreme Networks

i have system shutdown recently and unfortenetly the HiveManager After Powering is not working and giving the following messageHTTP Status 404 – Not FoundType Status ReportMessage Not foundDescription The origin server did not find a current represen...

I have Hivemanager NG Appliance on my site and I want to upgrade it to the latest VersionHivemanager NG (Dell EMC) Appliance Version is 12.8.3.3Latest Extreme IQ Virtual Appliance 21.1.22.1My questions are:1- Can i upgrade with the latest version fro...