Thanks for the posting!
Could you please provide more below information about this problem? Then we can try if we can reproduce the issue.
Host OS info (Windows or Linux? Which version?):
guest CentOS version(e.g. 6.5) :
VM Tools version:
How did you add the CD/DVD device:
It would be very helpful if you can upload the vmware.log file and screenshot when you meet the problem next time.
Thanks,
Shawn