---
title: "com.vmware.vc.vecs.KMSClientCertExpirationEvent"
description: "KMS client certificate will expire soon. A vCenter Server sends notifications when Key Management Server (KMS) certificates are about to expire. By default, the Key Management Server Certificate Expiration Threshold is 30 days."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.vecs.kmsclientcertexpirationevent.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > vCenter Server Alarms > Veeam VMware: KMS Client Certificate Status > com.vmware.vc.vecs.KMSClientCertExpirationEvent"
dateModified: "2026-09-10"
---

# com.vmware.vc.vecs.KMSClientCertExpirationEvent

## Summary

KMS client certificate will expire soon.

## Causes

A vCenter Server sends notifications when Key Management Server (KMS) certificates are about to expire.

## Resolution

By default, the Key Management Server Certificate Expiration Threshold is 30 days. You can set the threshold value. For more information, see [VMware Docs](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-BA378D55-C90E-49CA-933E-281BB1449D3D.html).

## External

Refer to [VMware Online Documentation](https://docs.vmware.com/en/VMware-vSphere/index.html#com.vmware.vsphere.storage.doc/GUID-52E19C11-32DD-4145-A952-24A4783DBD14.html) for more information.