---
title: "com.vmware.vc.vm.Crypto.VMLocked.KeyMissingOnKMS"
description: "A virtual machine is locked because keys are missing on KMS cluster. The keys are no longer available on the KMS cluster. Retrieve the key ID by using the Managed Object Browser (MOB) or the vSphere API."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.vm.crypto.vmlocked.keymissingonkms.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > vCenter Server Alarms > Veeam VMware: Virtual Machine Locked Alarm > com.vmware.vc.vm.Crypto.VMLocked.KeyMissingOnKMS"
dateModified: "2026-09-10"
---

# com.vmware.vc.vm.Crypto.VMLocked.KeyMissingOnKMS

## Summary

A virtual machine is locked because keys are missing on KMS cluster.

## Causes

The keys are no longer available on the KMS cluster.

## Resolution

- Retrieve the key ID by using the Managed Object Browser (MOB) or the vSphere API.
- Ask the KMS administrator to reactivate the key that is associated with that key ID.

## External

Refer to [VMware Online Documentation](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-75758B55-E406-48B0-91F6-3F573459CB9A.html) for more information.