--- title: "VmSecondaryDisabledBySystemEvent" description: "This event records that a fault tolerance secondary VM has been disabled by vCenter because the VM could not be powered on. Cannot power on the secondary VM. The secondary VM is disabled. Review the event description for detail on the cause." canonical: "https://helpcenter.veeam.com/docs/mp/kb/vmsecondarydisabledbysystemevent.html" breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > Virtual Machine Error > VmSecondaryDisabledBySystemEvent" dateModified: "2026-09-10" --- # VmSecondaryDisabledBySystemEvent ## Summary This event records that a fault tolerance secondary VM has been disabled by vCenter because the VM could not be powered on. ## Causes Cannot power on the secondary VM. The secondary VM is disabled. Review the event description for detail on the cause. ## Resolutions Review VMware online documents such as [Troubleshooting VMware High Availability](https://knowledge.broadcom.com/external/article/318936/troubleshooting-vmware-high-availability.html), [vSphere Troubleshooting Guide](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-DE119813-63A7-4B68-924D-1ED95F6EFFD7.html) and this [VMware KB article](https://kb.vmware.com/s/article/1033634) to resolve FT issues. ## External Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information.