---
title: "com.vmware.vc.HA.HostUnconfigureError"
description: "Error unconfiguring HA agent on host. There is an issue with the configuration of vSphere High Availability protection for this host. Review the event description for detail on the cause. Connect the host to a vCenter Server 5.0 or later."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.ha.hostunconfigureerror.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Cluster Warning > com.vmware.vc.HA.HostUnconfigureError"
dateModified: "2026-09-10"
---

# com.vmware.vc.HA.HostUnconfigureError

## Summary

Error unconfiguring HA agent on host.

## Causes

There is an issue with the configuration of vSphere High Availability protection for this host. Review the event description for detail on the cause.

## Resolutions

Connect the host to a vCenter Server 5.0 or later.

See VMware online documents such as [Troubleshooting VMware High Availability](https://knowledge.broadcom.com/external/article/318936/troubleshooting-vmware-high-availability.html) and the [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 HA issues.

## External

Refer to the online [vSphere Availability Guide](https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-63F459B7-8884-4818-8872-C9753B2E0215.html) for further guidance.