---
title: "HostCnxFailedBadVersionEvent"
description: "Connection failed for the host: incompatible version. Failed to connect to a host because of incompatible client version. Check the vCenter and host version. For information on resolution steps, review this VMware KB article."
canonical: "https://helpcenter.veeam.com/docs/mp/kb/hostcnxfailedbadversionevent.html"
breadcrumb: "Veeam MP for VMware Online Knowledge Base > Event Monitors > Host Connection Status > HostCnxFailedBadVersionEvent"
dateModified: "2026-09-10"
---

# HostCnxFailedBadVersionEvent

## Summary

Connection failed for the host: incompatible version.

## Causes

Failed to connect to a host because of incompatible client version.

## Resolutions

Check the vCenter and host version. For information on resolution steps, review this [VMware KB article](https://kb.vmware.com/s/article/1003870).

## External

Refer to the [VMware Online Documentation](https://techdocs.broadcom.com/) for more information.