---
title: "com.vmware.vc.HA.DasFailoverHostUnreachableEvent"
description: "vSphere HA agent on the failover host is not reachable from vCenter Server. The HA agent on this host is unreachable. Review the exact description to establish the cause of the event."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/com.vmware.vc.ha.dasfailoverhostunreachableevent.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event-Based Rules > vSphere Cluster Warning > com.vmware.vc.HA.DasFailoverHostUnreachableEvent"
dateModified: "2026-09-10"
---

# com.vmware.vc.HA.DasFailoverHostUnreachableEvent

## Summary

vSphere HA agent on the failover host is not reachable from vCenter Server.

## Causes

The HA agent on this host is unreachable. Review the exact description to establish the cause of the event.

## Resolutions

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.