6.5.1

Table Of Contents
Procedure
u
Select a host, cluster, or data center in the inventory.
Option Action
Host a Click the Configure tab, and click Settings.
b In the Virtual Machines section, select Default VM Compatibility and click
Edit.
c Select the compatibility from the drop-down menu and click OK.
Note You can set the compatibility only on hosts that are not part of a cluster.
Cluster a Click the Configure tab and click Settings.
b In the Configuration section, select General and click the Edit button next to
Default VM Compatibility.
c Select the compatibility from the drop-down menu and click OK.
When you change the compatibility for a cluster, the compatibility for all hosts in
the cluster changes as well.
Data Center a Right-click the data center and select Edit Default VM Compatibility.
b Select the compatibility from the drop-down menu and click OK.
When you create a virtual machine on one of these objects, the default compatibility setting is used.
Schedule a Compatibility Upgrade for a Single Virtual Machine
The compatibility level determines the virtual hardware available to a virtual machine, which corresponds
to the physical hardware available on the host machine. You can upgrade the compatibility to make the
virtual machine compatible with the latest version of the host.
To schedule an upgrade for multiple virtual machines, see Schedule a Compatibility Upgrade for Virtual
Machines.
Prerequisites
n
Create a backup or snapshot of the virtual machines.
n
Upgrade to the latest version of VMware Tools. On Microsoft Windows virtual machines, if you
upgrade the compatibility level before you upgrade VMware Tools, the virtual machine might lose its
network settings.
n
Verify that all .vmdk files are available to the ESX/ESXi host on a VMFS-3, VMFS-5, or NFS
datastore.
n
Verify that the virtual machine is stored on VMFS-3, VMFS-5 or NFS datastores.
Procedure
1 Right-click a virtual machine in the inventory and select Edit Settings.
2 On the Virtual Hardware tab, expand Upgrade and select Schedule VM Compatibility Upgrade.
vSphere Virtual Machine Administration
VMware, Inc. 94