.. kjm1552673210981
.. _specifying-dns-servers-using-horizon:

=================================
Specify DNS Servers Using Horizon
=================================

You can add or update a list of external DNS servers for |prod| to use for
domain name resolution at any time after installation.

You can specify up to three DNS servers using the Horizon Web interface.

.. rubric:: |proc|

#.  In the |prod| Horizon Web interface, open the System Configuration page.

    The System Configuration page is available
    from **Admin** \> **Platform** \> **System Configuration** in the
    left-hand pane.

#.  Select the DNS tab.

    The DNS page appears, showing the currently defined DNS servers.

#.  Click **Edit DNS**.

#.  In the Edit DNS dialog box, add or edit the IP addresses, and then
    click **Save**.

    .. figure:: /shared/figures/system_configuration/jow1413850386429.png
        :scale: 100%