---
title: "Veeam Backup for Microsoft 365 Alarms"
description: "This section describes predefined alarms for Veeam Backup for Microsoft 365 infrastructure components. For the Restore Activity (Veeam Backup for Microsoft 365) alarm, Veeam ONE only collects information about restores from Veeam Backup for..."
canonical: "https://helpcenter.veeam.com/docs/one/userguide/vbm_alarms_events.html"
breadcrumb: "User Guide > Working with Alarms > Predefined Alarms > Veeam Backup for Microsoft 365 Alarms"
dateModified: "2026-10-23"
---

# Veeam Backup for Microsoft 365 Alarms

This section describes predefined alarms for Veeam Backup for Microsoft 365 infrastructure components.

## Veeam Backup for Microsoft 365 Server

::: note

For the **Restore Activity (Veeam Backup for Microsoft 365)** alarm, Veeam ONE only collects information about restores from Veeam Backup for Microsoft 365 versions 8 and above. Restore data from versions below 8 is not presented in this alarm.

:::

<table style="width:100%;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th style="width:20%;">
      <p>Alarm Name</p>
    </th>
    <th style="width:28%;">
      <p>Event/Condition</p>
    </th>
    <th style="width:10%;">
      <p>Severity</p>
    </th>
    <th style="width:10%;">
      <p>Resolve Action</p>
    </th>
    <th>
      <p>Description</p>
    </th>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="2">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Backup copy job state (</span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold">)</span></p>
    </td>
    <td>
      <p>State of a backup copy job equals <span style="font-style:italic;">Warning</span><span style="font-style:normal;">.</span></p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td rowspan="2">
      <p>Automatic</p>
    </td>
    <td rowspan="2">
      <p>Backup copy job reported either an error or a warning.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>State of a backup copy job equals <span style="font-style:italic;">Failed</span><span style="font-style:normal;">.</span></p>
    </td>
    <td>
      <p>Error</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="2">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Backup job state (</span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold">)</span></p>
    </td>
    <td>
      <p>State of a backup job equals <span style="font-style:italic;">Warning</span><span style="font-style:normal;">.</span></p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td rowspan="2">
      <p>Automatic</p>
    </td>
    <td rowspan="2">
      <p>Backup job reported either an error or a warning.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>State of a backup job equals <span style="font-style:italic;">Failed</span><span style="font-style:normal;">.</span></p>
    </td>
    <td>
      <p>Error</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Job disabled (Veeam Backup for Microsoft 365)</span></p>
    </td>
    <td>
      <p>Job is disabled for more than 12 hours.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td>
      <p>Automatic</p>
    </td>
    <td>
      <p>Job stays in the disabled state for a longer time than configured in the alarm threshold.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="3">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">License exceeded for </span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold"> </span></p>
    </td>
    <td>
      <p>Based on event<br/>VeeamVbmServerLicenseCapacityDepleting.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td rowspan="3">
      <p>Automatic</p>
    </td>
    <td rowspan="3">
      <p>Number of protected user accounts exceeds the license limit.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Based on event<br/>VeeamVbmServerLicenseCapacityDepletingResolved.</p>
    </td>
    <td>
      <p>Resolve</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Based on event<br/>VeeamMonitorServicesStartedEvent.</p>
    </td>
    <td>
      <p>Resolve</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="3">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">License expiration date (</span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold">)</span></p>
    </td>
    <td>
      <p>Based on event<br/>VeeamVbmServerLicenseExpiration.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td rowspan="3">
      <p>Automatic</p>
    </td>
    <td rowspan="3">
      <p>Veeam Backup for Microsoft 365 license expired.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Based on event<br/>VeeamVbmServerLicenseExpirationResolved.</p>
    </td>
    <td>
      <p>Resolve</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Based on event<br/>VeeamMonitorServicesStartedEvent.</p>
    </td>
    <td>
      <p>Resolve</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Restore activity (</span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold">)</span></p>
    </td>
    <td>
      <p>A restore operation of any type has been completed in the organization.</p>
    </td>
    <td>
      <p>Information</p>
    </td>
    <td>
      <p>Manual</p>
    </td>
    <td>
      <p>A restore session has been performed on a Veeam Backup for Microsoft 365 server.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Organization with no backup</span></p>
    </td>
    <td>
      <p>Microsoft 365 organization has no restore points created within the last 24 hours.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td>
      <p>Automatic</p>
    </td>
    <td>
      <p>Microsoft 365 organization was not backed up during the configured RPO period.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="2">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Unusual job duration (Veeam Backup for Microsoft 365)</span></p>
    </td>
    <td>
      <p>Job duration is above 150% of average time interval.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td rowspan="2">
      <p>Automatic</p>
    </td>
    <td rowspan="2">
      <p>Job duration is above usual values among the set of job sessions.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Job duration is above 200% of average time interval.</p>
    </td>
    <td>
      <p>Error</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Veeam ONE</span><span class="Table_Text_Bold"> server failed to connect to Microsoft 365 server</span></p>
    </td>
    <td>
      <p>State does not equal <span class="T_Emphasis">Connected</span> for more than 5 minutes.</p>
    </td>
    <td>
      <p>Error</p>
    </td>
    <td>
      <p>Automatic</p>
    </td>
    <td>
      <p>Connection to Veeam Backup for Microsoft 365 server failed.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Veeam Backup for Microsoft 365 service state</span></p>
    </td>
    <td>
      <p>Veeam Backup for Microsoft 365 service status does not equal <span class="T_Emphasis">Running</span> for more than 5 minutes.</p>
    </td>
    <td>
      <p>Error</p>
    </td>
    <td>
      <p>Automatic</p>
    </td>
    <td>
      <p>Veeam Backup for Microsoft 365 service is not running on the Veeam Backup for Microsoft 365 server. </p>
    </td>
  </tr>
</table>


## Backup Proxy

<table style="width:100%;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th style="width:20%;">
      <p>Alarm Name</p>
    </th>
    <th style="width:28%;">
      <p>Event/Condition</p>
    </th>
    <th style="width:10%;">
      <p>Severity</p>
    </th>
    <th style="width:10%;">
      <p>Resolve Action</p>
    </th>
    <th>
      <p>Description</p>
    </th>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Backup proxy connection failure (Veeam Backup for Microsoft 365)</span></p>
    </td>
    <td>
      <p>Backup proxy status does not equal <span style="font-style:italic;">Online</span> for more than 5 minutes.</p>
    </td>
    <td>
      <p>Error</p>
    </td>
    <td>
      <p>Automatic</p>
    </td>
    <td>
      <p>Veeam Backup for Microsoft 365 server lost connection to the proxy server.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Backup proxy maintenance mode state (</span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold">)</span></p>
    </td>
    <td>
      <p>Backup proxy maintenance mode is enabled.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
    <td>
      <p>Automatic</p>
    </td>
    <td>
      <p>Backup proxy maintenance mode is enabled.</p>
    </td>
  </tr>
</table>

## Backup Repository

<table style="width:100%;" class="Blue_Table">
  <tr style="vertical-align:top">
    <th style="width:20%;">
      <p>Alarm Name</p>
    </th>
    <th style="width:28%;">
      <p>Event/Condition</p>
    </th>
    <th style="width:10%;">
      <p>Severity</p>
    </th>
    <th style="width:10%;">
      <p>Resolve Action</p>
    </th>
    <th>
      <p>Description</p>
    </th>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="2">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Backup repository free space (Veeam Backup for Microsoft 365)</span></p>
    </td>
    <td>
      <p>Free space is below 5%.</p>
    </td>
    <td>
      <p>Error</p>
    </td>
    <td rowspan="2">
      <p>Automatic</p>
    </td>
    <td rowspan="2">
      <p>Backup repository is low on free space.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Free space is below 10%.</p>
    </td>
    <td>
      <p>Warning</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td rowspan="3">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Immutability change tracking (</span><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold">)</span></p>
    </td>
    <td>
      <p>Based on event<br/>VeeamImmutabilityIntervalDaysDecreased.</p>
    </td>
    <td rowspan="3">
      <p>Warning</p>
    </td>
    <td rowspan="3">
      <p>Manual</p>
    </td>
    <td rowspan="3">
      <p>The configured immutability period has been changed on one or several Veeam Backup for Microsoft 365 repositories.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Based on event<br/>VeeamImmutabilityIntervalDaysIncreased.</p>
    </td>
  </tr>
  <tr style="vertical-align:middle">
    <td>
      <p>Based on event<br/>VeeamImmutabilityIntervalDaysEnabled.</p>
    </td>
  </tr>
</table>