Memory hot add lets you add memory resources for a virtual machine while the machine is powered on.

The virtual machine has a guest operating system that supports Memory hot add functionality.

The virtual machine is using hardware version 7 or later.

VMware Tools is installed.

1

In the vSphere Client inventory, right-click the virtual machine and select Edit Settings.

2

Click the Options tab and under Advanced, select Memory/CPU Hotplug.

3

Enable or disable memory hot add.

Enable memory hot add for this virtual machine.

Disable memory hot add for this virtual machine.

4

Click OK to save your changes.