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What are three recommended prerequisites before upgrading virtual machine hardware? (Choose three.)
A. Create a backup or snapshot of the virtual machine.
B. Upgrade VMware Tools to the latest version.
C. Verify that the virtual machine is stored on VMFS3, VMFS5, or NFS datastores.
D. Detach all CD-ROM/ISO images from the virtual machines.
E. Set the Advanced Parameter virtualHW.version = 11
Correct Answer: ABC
Explanation/Reference:
Explanation: Before you upgrade the virtual hardware:
1. Create a backup or snapshot of the virtual machine. For more information, see:
Take a Snapshot in the vSphere Web Client section in the vSphere 5.1 Virtual Machine Administration guide.
Take a Snapshot in the vSphere Client section in the vSphere 5.1 Virtual Machine Administration guide.
2. Upgrade VMware Tools. On Microsoft Windows virtual machines, if you upgrade the virtual hardware before you upgrade VMware Tools, the virtual machine might lose its network settings.
3. Verify that all .vmdk files are available to the ESXi/ESX hosts on a VMFS 3, VMFS 5, or NFS datastore.
4. Verify that the virtual machines are stored on VMFS 3, VMFS 5 or NFS datastores.
5. Determine the version of the virtual hardware by selecting the virtual machine from the vSphere Client or vSphere Web Client and clicking the Summary tab. The VM Version label in the Compatibility field displays the virtual hardware version
Reference: https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1010675
A,B & D
Answer C is not valid anymore.
VMware KB has been updated and doesn’t specify datastore type (vSanDatastore was missing in previous version of the KB article).
https://kb.vmware.com/s/article/1010675, see requirements 1, 2 and 3 below :
Before you upgrade the virtual hardware:
1. Create a backup or snapshot of the virtual machine.
2. Upgrade VMware Tools. On Microsoft Windows virtual machines, if you upgrade the virtual hardware before you upgrade VMware Tools, the virtual machine might lose its network settings.
3. Verify that the virtual machine is healthy and available, with no inaccessible virtual disks, CD-ROM or ISO images, etc.
4. Determine the version of the virtual hardware by selecting the virtual machine from the vSphere Client or vSphere Web Client and clicking the Summary tab. The VM Version label in the Compatibility field displays the virtual hardware version.
5. If you are using C# client, Hardware versions above 9 are not supported.