What is ESXi host maintenance mode?

What happens when you put a Vmware host in maintenance mode?

Virtual machines that are running on a host entering maintenance mode need to be migrated to another host (either manually or automatically by DRS) or shut down. … While in maintenance mode, the host does not allow you to deploy or power on a virtual machine.

How do I know if my ESXi host is in maintenance mode?


  1. Check whether the host is in maintenance mode. esxcli –server= system maintenanceMode get.
  2. Power off each virtual machine running on the ESXi host. …
  3. Place the host in maintenance mode. …
  4. Verify that the host is in maintenance mode.

How do I get ESXi out of maintenance mode?

To exit from a hung maintenance mode, try one of these options:

  1. Disconnect the vSphere Client (by closing it) and reconnect to the ESX host to see if the option to exit maintenance mode appears. …
  2. Exit maintenance mode using the vimsh or vim-cmd command.
  3. Open a console to the ESX or ESXi host.

What is standby mode in ESXi?

When a host machine is placed in standby mode, it is powered off. Normally, hosts are placed in standby mode by the vSphere DPM feature to optimize power usage. … To force a host to remain off, place it in maintenance mode and power it off.

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What happens when ESXi host is down?

In case of ESXi host is down, HA will continue to restart VMs that were powered on before vCenter became unavailable. … All the VMs that are connected to a Distributed Switch (vDS) will continue to have network access, but you will not be able to make any changes to vDS configuration.

When should you put a host in the maintenance mode?

Before you perform maintenance activities on a host such as updating the operating system or firmware or replacing hardware, you should move the host into maintenance mode. Maintenance mode is sometimes referred to as one click evacuation.

How do I get rid of VIB?


  1. Power off each virtual machine running on the ESXi host. …
  2. Place the host in maintenance mode. …
  3. If necessary, shut down or migrate virtual machines.
  4. Determine which VIBs are installed on the host. …
  5. Remove the VIB.

What is Esxcli command?

The ESXCLI command set allows you to run common system administration commands against vSphere systems from an administration server of your choice. The actual list of commands depends on the system that you are running on. Run esxcli –help for a list of commands on your system.

What is VPXA service?

The vCenter Server Agent, also referred to as vpxa or the vmware-vpxa service, is what allows a vCenter Server to connect to a ESX host. Specifically, vpxa is the communication conduit to the hostd, which in turn communicates to the ESX kernel.

How do I shut down VMware host?


  1. In the vSphere Web Client, navigate to the host that you want to shut down.
  2. Power off all virtual machines on the host.
  3. Right-click the host and select Reboot or Shutdown. If you select Reboot, the ESXi host shuts down and starts. …
  4. Provide a reason for the shut down. This information is added to the log.
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How do I turn on ESXi host remotely?

Connect to your ESX/ESXi host using the vSphere Client /Virtual Infrastructure Client. Select the virtual machine you want to power on from inventory. Right-click on the virtual machine and click Power On.