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Exam 2V0-620 topic 1 question 119 discussion

Actual exam question from VMware's 2V0-620
Question #: 119
Topic #: 1
[All 2V0-620 Questions]

An attempt to enable vSphere Fault Tolerance for a powered-on virtual machine fails.

Which two scenarios would result in this failure? (Choose two.)

  • A. The virtual machine has three vCPUs configured.
  • B. The host on which the virtual machine is running has insufficient memory resources.
  • C. The virtual machine has insufficient resources to accommodate full reservation plus the overhead memory.
  • D. VMware High Availability is enabled on the cluster of which this host is a member.
Show Suggested Answer Hide Answer
Suggested Answer: BC 🗳️
vSphere Fault Tolerance automatically tries to allocate a full memory reservation on the host for the VM. Overhead memory is required for fault tolerant VMs and can sometimes expand to 1 to 2 GB. If the powered-on VM is running on a host that has insufficient memory resources to accommodate the full reservation plus the overhead memory, trying to turn on Fault Tolerance fails. Subsequently, the Unknown error message is returned.
Reference:
https://pubs.vmware.com/vsphere-60/index.jsp?topic=%2Fcom.vmware.vsphere.troubleshooting.doc%2FGUID-C9A5157F-899B-4E6F-BE76-
BA1AA8091EE3.html
by [deleted] at April 4, 2025, 1:46 p.m.

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