View source for Reset root password on vCenter 7.x

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To reset forgotten root password for vCenter 7.x use:
# If "administrator@vsphere.local" login is working and only root passwords needs to be reset then we can get vCenter VM console from vCenter itself.
## If administrator@vsphere.local password is also not known then Login into ESXi host where vCenter VM is present.
##: If there are multiple hosts we need to login into them manually to see which host has vCenter VM
# Reboot the VM (Restart guest OS - Graceful restart) and press 'e' key during reboot
# In grub edit the boot entry start with word linux and append '<tt> rw init=/bin/bash</tt>'
# Press F10 after editing to continue boot
# Remount the / with rw using:
#:<pre>
#:: mount -o remount,rw / 
#:</pre>
# Reset root passwd using
#:<pre>
#:: passwd
#:</pre>
# Umount and reboot using:
#:<pre>
#:: umount /
#:: shutdown -r now   #Or reboot -f
# After reboot try root login into vCenter.
# Optionally [[Disable root password expiry on vCenter]]


Refer:
* https://kb.vmware.com/s/article/2147144



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