Here are the following steps to know which VM has VMware tool installed.
1 – Login on ESX/ESXi server
2 – Run ESX top command
3 – Press ‘m’ to get into memory. Press ‘f’ to get into field selection window. Press ‘i’ to select MCTL?.
Note – Make sure MCTLSZ is 0. If it is not, check out VM is ballooning or not from vClient.
4 – Check out MCTL? columns, “N” represents that VMware tool is not installed on that particular VM and if its represent “Y”, it means VMware Tool is installed.
Please see the screen below.