Your vmtools might need to be updated?
/root/VMTOOLS )
mv vmware-tools-distrib vmware-tools-distrib-<current version>
wget http://centosone.binghamton.edu/Upload/VMwareTools-<newest version>.tar.gz
tar xvf VMwareTools-<newest version>.tar.gz
mv vmware-tools-distrib vmware-tools-distrib-<newest version>
cd vmware-tools-distrib-<current version>
bin/vmware-uninstall-tools.pl ### follow the prompts
cd ../vmware-tools-distrib-<newest version>
./vmware-install.pl ##follow the prompts
vmware-toolbox-cmd -v