Unable to log in with “root” on vCenter Server Appliance 5.5
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, […]