What is the sharedPolicyRefCount?

Just a quick write-up for my own convenience.
Recently while working on a configuration management baseline for a vSphere environment, I stumbled on a particular advanced setting, present in ESXi. The setting is named config.globalsettings.guest.commands.sharedpolicyrefcount,
with description “Reference count to enable guest operations” and can have an integer value between 0 and 2147483647.

From its name I know it has something to do with the guest OS. A quick Google search did not reveal very useful information, in particular which value needs to be set (as I found “0” and “100” mentioned as preferred values).

From VMware Support, thank you Pranita Kumari, I learned that vRealize Infrastructure Navigator uses VMware tools to access the machines and configure the hosts and virtual machine for the discovery process. vRealize Infrastructure Navigator needs to set the ‘sharedpolicyrefcount’ parameter in order to do agent-less discovery.
If you don’t use vRealize Infrastructure Navigator ( as this product is end of distribution and GS), the best practice would be to set this option to default value 0.

That’s all, I thank you for reading.

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