---
title: "Firewall Rules"
description: "The following table lists exceptions that should be enabled in Windows Firewall Settings. For details on configuring firewall rules, see this KB article."
canonical: "https://helpcenter.veeam.com/docs/one/userguide/firewall_rules.html"
breadcrumb: "User Guide > Deployment Planning and Preparation > Firewall Rules"
dateModified: "2026-10-23"
---

# Firewall Rules

The following table lists exceptions that should be enabled in Windows Firewall Settings.

For details on configuring firewall rules, see this [KB](https://www.veeam.com/kb2696) article.

<table class="Blue_Table">
  <tr style="vertical-align:top">
    <th style="width:300px;">
      <p>Server</p>
    </th>
    <th style="width:300px;">
      <p>App/Feature</p>
    </th>
    <th style="width:671px;">
      <p>Details</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top; width:300px;">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Hyper-V host</span></p>
    </td>
    <td style="vertical-align:top; width:300px;">
      <p>Remote Event Log Management:</p>
      <ul>
        <li class="Table_List">Remote Event Log Management (NP-In)</li>
        <li class="Table_List">Remote Event Log Management (RPC)</li>
        <li class="Table_List">Remote Event Log Management (RPC-EPMAP)</li>
      </ul>
      <p>COM+ Network Access:</p>
      <ul>
        <li class="Table_List">COM+ Network Access (DCOM-In)</li>
      </ul>
    </td>
    <td style="width:671px;">
      <p>Required to collect events data from Hyper-V hosts.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top; width:300px;">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Veeam Backup & Replication</span><span class="Table_Text_Bold"> server</span></p>
    </td>
    <td style="vertical-align:top; width:300px;">
      <p>Remote Event Log Management:</p>
      <ul>
        <li class="Table_List">Remote Event Log Management (NP-In)</li>
        <li class="Table_List">Remote Event Log Management (RPC)</li>
        <li class="Table_List">Remote Event Log Management (RPC-EPMAP)</li>
      </ul>
      <p>COM+ Network Access:</p>
      <ul>
        <li class="Table_List">COM+ Network Access (DCOM-In)</li>
      </ul>
    </td>
    <td style="width:671px;">
      <p>Required to collect events data from Veeam Backup & Replication servers.</p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td style="vertical-align:top; width:300px;">
      <p class="Table_Text_Bold"><span class="Table_Text_Bold">Veeam Backup for Microsoft 365</span><span class="Table_Text_Bold"> Server</span></p>
    </td>
    <td style="vertical-align:top; width:300px;">
      <p>COM+ Network Access:</p>
      <ul>
        <li class="Table_List">COM+ Network Access (DCOM-In)</li>
      </ul>
      <p>Network Discovery:</p>
      <ul>
        <li class="Table_List">Network Discovery (LLMNR-UDP-In)</li>
      </ul>
    </td>
    <td style="width:671px;">
      <p>Required to gather CPU and memory performance data from Veeam Backup for Microsoft 365 servers.</p>
    </td>
  </tr>
</table>