Symptoms
CER or other Cisco UC platform servers fail to boot with an error message immediately on startup similar to:
FATAL: Could not load /lib/modules/2.6.32-642.el6.x86_64/modules.dep
Diagnosis
You do some searching, and think it's related to this bug - CSCvm52977, but the fix doesn't work:
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvm52977
You then have a daymare about having to rebuild the system, and wonder if your backups are good, that is if you're lucky enough to have backups.
Solution
Follow the same steps in the bug ID, except instead of executing
/usr/bin/vmware-config-tools.pl -d
uninstall VMWare tools with this command
/usr/bin/vmware-config-tools.pl -d
After the system comes back up, just shut down completely, power back up, and VMWare tools should be reinstalled with the correct version if you have the option enabled in the guest settings in VMWare.