Forgotten ESXi root Password.How could I reset it?
Reset VMware ESXi root password - Thomas-Krenn-Wiki
For the next time, please use a password database tool for storing such passwords!
Sorry i do not have a better answer...
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yes, if its ESXi, we don't have any method apart from re-installing ESXI
but in ESX 3.x and 4, we can reset.Workaround is in this Kb: - KB for Changing a forgotten root password on an ESX/ESXi host