Hello,
The latest version of the tools supports all versions of RHEL that VI3/ESX Supports. I use it with CentOS/RHEL 5.1 all the time with no issues. You may have to rebuild the tools from time to time as you update the kernels as there may not be a prebuilt one. If you are using a 2.6.24 kernel, more is required. Check out http://www.astroarch.com/wiki/index.php/VMware_Tools for more on this.
Best regards,
Edward L. Haletky
VMware Communities User Moderator
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Author of the book 'VMWare ESX Server in the Enterprise: Planning and Securing Virtualization Servers', Copyright 2008 Pearson Education. As well as the Virtualization Wiki at http://www.astroarch.com/wiki/index.php/Virtualization
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Edward L. Haletky
vExpert XIV: 2009-2023,
VMTN Community Moderator
vSphere Upgrade Saga: https://www.astroarch.com/blogs
GitHub Repo: https://github.com/Texiwill