#  locate vmware-uninstall-tools.pl
# ./<path and filename from above>

Uninstalling the tar installation of VMware Tools.
Stopping VMware Tools services in the virtual machine:
 Guest operating system daemon:                          [  OK  ]
 Unmounting HGFS shares:                                 [  OK  ]
 Guest filesystem driver:                                [  OK  ]
 Guest memory manager:                                   [  OK  ]
File /etc/X11/xorg.conf is backed up to /etc/X11/xorg.conf.old.1.
File /etc/updatedb.conf is backed up to /etc/updatedb.conf.old.1.
File /etc/modprobe.conf is backed up to /etc/modprobe.conf.old.1.
The removal of VMware Tools 3.5.0 build-158874 for Linux completed 
successfully. Thank you for having tried this software.

# rpm --import http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-DSA-KEY.pub
# rpm --import http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-RSA-KEY.pub

/etc/yum.repos.d/vmware-tools.repo:
[vmware-tools]
name=VMware Tools for Red Hat Enterprise Linux $releasever - $basearch
baseurl=http://packages.vmware.com/tools/esx/5.1/rhel5/$basearch
enabled=1
gpgcheck=1

# yum install vmware-tools-esx-kmods vmware-tools-esx

Reboot

Remove old Vmware tools for Operation System Specific Packages (OSP version).

# yum remove vmware-* -y
# rpm -e --noscripts vmware-open-vm-tools-xorg-drv-mouse-12.4.3.0-0.208167.el5
# rpm -e --noscripts vmware-open-vm-tools-xorg-drv-display-10.15.2.0-0.208167.el5

Update Vmware repository

# cd /etc/yum.repos.d/
# vi vmware-tools.repo
Change repository from EXS4.0 to 4.1:
baseurl=http://packages.vmware.com/tools/esx/4.1/rhel5/x86_64
gpgcheck=1

Get rpm package key from Vmware:

# cd /tmp
# wget http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-RSA-KEY.pub

Install GPG key:

# rpm --import VMWARE-PACKAGING-GPG-RSA-KEY.pub  

Install new vmware-tools

# yum install vmware-tools -y
# service vmware-tools restart

Vmware OSP install document:

http://www.google.dk/url?sa=t&source=web&cd=1&ved=0CBcQFjAA&url=http%3A%2F%2Fwww.vmware.com%2Fpdf%2Fosp_install_guide.pdf&ei=LIJ_TaW5McqRswa08oTjBg&usg=AFQjCNHONN3oGw-k7rUa7ChE_vMqYUIpog