---
title: "High Availability Cluster State Changed"
description: "Sent when the health status of the high Availability cluster is changed. For more information, see How High Availability Cluster Works."
canonical: "https://helpcenter.veeam.com/docs/vbr/events/event_43003.html"
breadcrumb: "Event Reference > Infrastructure Components > High Availability Clusters > High Availability Cluster State Changed"
dateModified: "2026-10-01"
---

# High Availability Cluster State Changed

Sent when the health status of the high Availability cluster is changed. For more information, see [How High Availability Cluster Works](https://helpcenter.veeam.com/docs/vbr/userguide/high_availability_hiw.html).

## General Information

**Event ID**: 43003

**Event message details**: High Availability cluster state has been changed to `<State>`

**Severity**: Info, Warning

## Parameters

<table class="Blue_Table">
  <tr style="vertical-align:top">
    <th>
      <p>Parameter Name</p>
    </th>
    <th>
      <p>Description</p>
    </th>
    <th>
      <p>Example</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">ClusterEndpoint</span></p>
    </td>
    <td>
      <p>Cluster name. Can be a DNS name or an IP address.</p>
    </td>
    <td>
      <p><span class="T_Filenames">ClusterEndpoint="198.51.100.15"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">ClusterDescription</span></p>
    </td>
    <td>
      <p>Cluster description.</p>
    </td>
    <td>
      <p><span class="T_Filenames">ClusterDescription="ha-cluster"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">State</span></p>
    </td>
    <td>
      <p>Cluster state. Possible values: <span class="T_Filenames">Online</span>, <span class="T_Filenames">Offline</span>.</p>
    </td>
    <td>
      <p><span class="T_Filenames">State="Online"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">VbrHostName</span></p>
    </td>
    <td>
      Backup server name. Can be a DNS name, an FQDN or an IP address.
    </td>
    <td>
      <p><span class="T_Filenames">VbrHostName="vbrsrv01.tech.local"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">VbrVersion</span></p>
    </td>
    <td>
      Veeam Backup & Replication version.
    </td>
    <td>
      <p><span class="T_Filenames">VbrVersion="13.1.0.411"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Version</span></p>
    </td>
    <td>
      Event version (service parameter).
    </td>
    <td>
      <p><span class="T_Filenames">Version="1"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Description</span></p>
    </td>
    <td>
      Event message details.
    </td>
    <td>
      <p><span class="T_Filenames">Description="High Availability cluster state has been changed to [Online]."</span></p>
    </td>
  </tr>
</table>

## Syslog Message Example

```
1 2026-07-25T13:11:06.078102+02:00 VBRSRV01 Veeam_MP - - [origin enterpriseId="31023"] [categoryId=0 instanceId=43003 ClusterEndpoint="198.51.100.15" ClusterDescription="ha-cluster" State="Online" VbrHostName="vbrsrv01.tech.local" VbrVersion="13.1.0.411" Version="1" Description="High Availability cluster state has been changed to [Online]."]
```