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The system must disable tools auto install.


Overview

Finding ID Version Rule ID IA Controls Severity
V-64107 VMCH-06-000035 SV-78597r1_rule Low
Description
Tools auto install can initiate an automatic reboot, disabling this option will prevent tools from being installed automatically and prevent automatic machine reboots.
STIG Date
VMware vSphere Virtual Machine Version 6 Security Technical Implementation Guide 2015-12-09

Details

Check Text ( C-64857r1_chk )
From the vSphere Client select the Virtual Machine right click and go to Edit Settings >> VM Options Tab >> Advanced >> Configuration Parameters. Find the isolation.tools.autoInstall.disable value and verify it is set to true.

Note: The VM must be powered off to view the advanced settings through the vSphere Client so it is recommended to view these settings with PowerCLI as it can be done while the VM is powered on.

or

From a PowerCLI command prompt while connected to the ESXi host or vCenter server run the following command:

Get-VM "VM Name" | Get-AdvancedSetting -Name isolation.tools.autoInstall.disable

If the virtual machine advanced setting isolation.tools.autoInstall.disable does not exist or is not set to true, this is a finding.
Fix Text (F-70035r1_fix)
From the vSphere Client select the Virtual Machine right click and go to Edit Settings >> VM Options Tab >> Advanced >> Configuration Parameters. Find the isolation.tools.autoInstall.disable value and set it to true. If the setting does not exist click "Add Row" to add the setting to the virtual machine.

Note: The VM must be powered off to configure the advanced settings through the vSphere Client so it is recommended to configure these settings with PowerCLI as it can be done while the VM is powered on.

or

From a PowerCLI command prompt while connected to the ESXi host or vCenter server run the following command:

If the setting does not exist run:

Get-VM "VM Name" | New-AdvancedSetting -Name isolation.tools.autoInstall.disable -Value true

If the setting exists run:

Get-VM "VM Name" | Get-AdvancedSetting -Name isolation.tools.autoInstall.disable | Set-AdvancedSetting -Value true