VMware Error. Free vSphere Hypervisor is Not Supported (code 1917)

Situation

A virtual machine backup plan terminates with the following error: VMware Error. Free vSphere Hypervisor is Not Supported

Cause

Backup for Windows does not support free vSphere Hypervisor.

The free vSphere Hypervisor has some limitations:

• vCenter is not supported
• Maximum 8 virtual processors per VM
• No official VMware support provided for free vSphere Hypervisor
• vStorage API is not supported

Solution

Upgrade your VMware license.