---
title: "VmUnsupportedStartingEvent"
description: "This event records when an unsupported guest is powering on. VM with an unsupported guest OS is powering on. Power off unsupported VMs or upgrade the host to a version that provides support for the guest OS."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/vmunsupportedstartingevent.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > Virtual Machine Warning > VmUnsupportedStartingEvent"
dateModified: "2026-09-10"
---

# VmUnsupportedStartingEvent

## Summary

This event records when an unsupported guest is powering on.

## Causes

VM with an unsupported guest OS is powering on.

## Resolutions

Power off unsupported VMs or upgrade the host to a version that provides support for the guest OS. Review VMware online documents such as [vSphere Troubleshooting Guide](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-DE119813-63A7-4B68-924D-1ED95F6EFFD7.html) to resolve virtual machine issues.

## External

Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information.