---
title: "com.vmware.vc.host.Crypto.ReqEnable.KeyMissingOnKMS"
description: "A host requires encryption mode enabled and the key is not available on the KMS cluster. The keys are missing on the KMS cluster. Manually recover the missing keys to the KMS cluster. Refer to VMware Online Documentation for more information."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.host.crypto.reqenable.keymissingonkms.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > vCenter Server Alarms > Veeam VMware: Host Requires Encryption Mode Enabled Alarm > com.vmware.vc.host.Crypto.ReqEnable.KeyMissingOnKMS"
dateModified: "2026-09-10"
---

# com.vmware.vc.host.Crypto.ReqEnable.KeyMissingOnKMS

## Summary

A host requires encryption mode enabled and the key is not available on the KMS cluster.

## Causes

The keys are missing on the KMS cluster.

## Resolution

Manually recover the missing keys to the KMS cluster.

## External

Refer to [VMware Online Documentation](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-BCD15E94-4BB5-4A85-9B0B-7A387D54FB5C.html) for more information.