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<section id="vmware-topology-req">
  <title>VMware Topology Requirements</title>
  <itemizedlist>
    <listitem>
      <para>The Management Server and secondary storage VMs must be able to access vCenter and all
        ESXi hosts in the zone. To allow the necessary access through the firewall, keep port 443
        open.</para>
    </listitem>
    <listitem>
      <para>The Management Servers communicate with VMware vCenter servers on port 443
        (HTTPs).</para>
    </listitem>
    <listitem>
      <para>The Management Servers communicate with the System VMs on port 3922 (ssh) on the
        management traffic network.</para>
    </listitem>
  </itemizedlist>
</section>