---
title: "Veeam WAN Accelerator"
description: "Monitor/Alert Name Target Parent Monitor Threshold(s)/Event(s) Alert Description"
canonical: "https://helpcenter.veeam.com/docs/mp/backup_guide/wan_accelerator.html"
breadcrumb: "MP for Veeam Backup & Replication User Guide > Appendix A. MP for Veeam Backup & Replication Monitors > Veeam WAN Accelerator"
dateModified: "2026-09-08"
---

# Veeam WAN Accelerator

<table style="width:100%;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th>
      <p>Monitor/Alert Name</p>
    </th>
    <th>
      <p>Target </p>
    </th>
    <th>
      <p>Parent Monitor</p>
    </th>
    <th>
      <p>Threshold(s)/Event(s)</p>
    </th>
    <th>
      <p>Alert Description</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top;">
      <p style="text-align:left;">Veeam Backup: WAN Accelerator version is out of date</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Veeam WAN Accelerator </p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Configuration </p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;"><span style="font-weight:bold;">Red:</span><br/><span style="font-weight:normal;">Version is out of date</span></p>
      <p style="text-align:left;"><span style="font-weight:bold;">Green:</span><br/><span style="font-weight:normal;">Version is up to date</span></p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Veeam Backup WAN Accelerator version [<span style="font-style:italic;">accelerator_version</span>] does not match the version of Veeam Backup & Replication server [<span style="font-style:italic;">backup_version</span>].</p>
      <p style="text-align:left;">Backup server will not be able to perform operations with this WAN Accelerator while its software is outdated.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top;">
      <p style="text-align:left;">Veeam Backup: WAN Accelerator Connection Status</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Veeam WAN Accelerator </p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;">Availability</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;"><span style="font-weight:bold;">Red</span>: <br/>WAN Accelerator is not accessible from the Backup Server</p>
      <p style="text-align:left;"><span style="font-weight:bold;">Yellow</span>:<br/>WAN Accelerator connection status as warning</p>
      <p style="text-align:left;"><span style="font-weight:bold;">Green</span>: <br/>WAN Accelerator is accessible</p>
    </td>
    <td style="vertical-align:top;">
      <p style="text-align:left;"><span style="font-weight:bold;">Warning</span>: <br/>Cannot check WAN Accelerator connection status in WMI. This could be caused by WMI issues or because the corresponding object has been deleted. If you deleted the WAN Accelerator, please wait for Operations Manager to undiscover it.</p>
      <p style="text-align:left;"><span style="font-weight:bold;">Error</span>: <br/>Backup server [<span style="font-style:italic;">servername</span>] lost connection to the WAN Accelerator [<span style="font-style:italic;">acceleratorname</span>] hosted on server [<span style="font-style:italic;">wan server name</span>]. </p>
      <p style="text-align:left;"><span style="font-style:italic;">Failure Message:</span><br/><span style="font-style:italic;">[Failed Service1]:[Failure Message1]</span><br/><span style="font-style:italic;">[Failed Service2]:[Failure Message2]</span></p>
    </td>
  </tr>
</table>