Některé procesory již nejsou ve VMware 6.5 podporovány.

Citace z VMware vSphere 6.5 Release Notes.

http://pubs.vmware.com/Release_Notes/en/vsphere/65/vsphere-esxi-vcenter-server-65-release-notes.html#compatibility

Upgrades and Installations Disallowed for Unsupported CPUs

Comparing the processors supported by vSphere 6.0, vSphere 6.5 no longer supports the following processors:

• Intel Xeon 51xx series
• Intel Xeon 30xx series
• Intel core 2 duo 6xxx series
• Intel Xeon 32xx series
• Intel core 2 quad 6xxx series
• Intel Xeon 53xx series
• Intel Xeon 72xx/73xx series

During an installation or upgrade, the installer checks the compatibility of the host CPU with vSphere 6.5. If your host hardware is not compatible, a purple screen appears with an incompatibility information message, and the vSphere 6.5 installation process stops.