How it works...
With each release of vSphere, VMware adds support for new hardware and firmware for devices such as disk controllers, server platforms, and Network Interface Cards (NICs). VMware also removes support for older hardware and firmware. It is important to verify that the hardware is on the supported compatibility list prior to attempting an upgrade. Using the VMware Hardware compatibility list is covered in more detail in Chapter 8, vSphere Physical Design. Failure to validate support for hardware on the HCL can cause significant issues after the upgrade; unsupported hardware may not be available for use or may cause instability in the environment. Replacing unsupported hardware or upgrading firmware on current hardware to a supported ...
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