You can upgrade virtual hardware on multiple virtual machines by using the Virtual Machines tab.

Create backups or snapshots of the virtual machines. See the vSphere Datacenter Administration Guide.

Upgrade VMware Tools.

Make sure that all .vmdk files are available to the ESX/ESXi host on a VMFS3 datastore.

Make sure that the virtual machines are stored on VMFS3 or NFS datastores.

Make sure that no suspend files exist.

Make sure that at least one virtual disk exists for each virtual machine.

1

Start the vSphere Client and log in to the vCenter Server.

2

Select Inventory > Hosts and Clusters.

3

Select the host or cluster that contains the virtual machines to upgrade.

4

Click the Virtual Machines tab.

5

Select the virtual machines to upgrade and power them off.

6

Right-click your selections, select Upgrade Virtual Hardware and click Yes.

7

Power on the virtual machines.

For Microsoft Windows guest operating systems, the operating system detects a new device, configures the device, and prompts you to reboot the guest operating system. If any unknown devices are recognized, the operating system prompts you to configure the device manually.

8

For Windows guest operating systems, reboot the guest operating system to make the changes take effect.

The virtual hardware version is 7 on the VM Version label on the virtual machine Summary tab.