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Resetting a lost ESXi 5.1 root password on a Dell R710

April 15, 2016 Bilal Ahmed 0

So I found out that no one new the root password to a host in one of the clusters. So I tried various things to no avail: Had a look in the documentation for it (What it was supposed to be, it wasn’t that) Checked if the keyboard layout was correct (it was) I tried the Host Profiles trick to reset the password to what you want (it didn’t work for some strange reason). It took the profile and applied it and everything, but the password persisted! Reset root using host profiles Reset root using host profile in Web Client Tried 2 Linux live cds and it turns out none of them work with Dell servers in general, due to driver […]

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Unable to log in with “root” on vCenter Server Appliance 5.5

February 24, 2015 Shady ElMalatawey 0

Yesterday, I went to a customer for a migration project to vSphere 5.5. After deploying vCenter Server Appliance 5.5 U2d and configuring IP addresses, I logged in with “root” account and default password to begin configuration and I started with adding it to my customer’s AD Domain to adjust its time sync and confirm machine naming and DNS settings. After I added it successfully, I rebooted the vCenter Appliance and once it booted up I tried to log in with “root” and boom, I can’t log in. It threw an error: “Unable to authenticate user. Please try again.” First, I thought I was writing password wrong, but I wasn’t as I found that I could log in using SSH. Then, […]