Memory compression is enabled by default. You can use the Advanced Settings dialog box in the vSphere Client to enable or disable memory compression for a host.


Launch the vSphere Client and log in to a vCenter Server system.


  1. In the vSphere Client, select the host in the inventory.
  2. Click the Configuration tab.
  3. Under Software, select Advanced Settings.
  4. In the left pane, select Mem and locate Mem.MemZipEnable.
  5. Enter 1 to enable or enter 0 to disable the memory compression cache.
  6. Click OK.