To resolve, reboot the VCSA server, and hit space bar when the grub boot menu appears. Type “p” to access options, and enter the root password. Highlight the VMware vCenter Server Appliance line, and type “e” to edit. Highlight the “kernel /vmlinuz….” line, and again, “e” to edit. Add “init=/bin/bash” to the end of the line, and press “enter.”