---
title: "VmFaultToleranceStateChangedEvent"
description: "Fault tolerance state on the VM has changed. The fault tolerance state of the VM has changed to one of the following: needsSecondary, disabled, notConfigured, enabled or running. Check other events for the virtual machine to get detailed information."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/vmfaulttolerancestatechangedevent.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > vCenter Server Alarms > Veeam VMware: Virtual Machine Fault Tolerance State Changed Alarm > VmFaultToleranceStateChangedEvent"
dateModified: "2026-09-10"
---

# VmFaultToleranceStateChangedEvent

## Summary

Fault tolerance state on the VM has changed.

## Causes

The fault tolerance state of the VM has changed to one of the following: needsSecondary, disabled, notConfigured, enabled or running.

## Resolution

Check other events for the virtual machine to get detailed information. Use VMware vSphere Client to check the cause of the fault tolerance status change and take the necessary actions.

## External

Refer to this [VMware KB article](https://knowledge.broadcom.com/external/article/307309/faq-vmware-fault-tolerance.html) for more information on the fault tolerance state change.