---
title: DNS and Hostname
slug: epmm/system-manager-guide/dns-and-hostname
createdAt: 2026-10-06T07:58:36.136Z
---

Use the <font color="#323232">Settings &gt; DNS and Hostname</font> window to manage the hostname, default domain, and DNS information entered during installation. This section includes the following topics:

- [Modifying the DNS configuration](docId\:KbLARVRgf5fFnDcjg1zom)
- [DNS Configuration window](docId\:KbLARVRgf5fFnDcjg1zom)

## Modifying the DNS configuration

**Procedure&#xA0;**

1. Log in to System Manager.
2. Go to <font color="#323232">**Settings** &gt; **DNS and Hostname**</font> to display the DSN Configuration options.
3. Configure the host, as necessary. Refer to the [DNS Configuration window](docId\:KbLARVRgf5fFnDcjg1zom) table for details.
4. Click **Apply&#x20;**> **OK&#x20;**&#x74;o save the changes.

## DNS Configuration window

The following table summarizes fields and descriptions in the **DNS Configuration&#x20;**&#x77;indow:

Table: DNS configuration window

| Fields                 | Description                                                 |
| ---------------------- | ----------------------------------------------------------- |
| Host name              | Specify the fully-qualified host name for the appliance.    |
| Default Domain         | Specify the default domain for the appliance.               |
| Preferred DNS Server   | Specify the IP address of the primary DNS server to use.    |
| Alternate DNS Server 1 | Specify the IP address of an optional alternate DNS server. |
| Alternate DNS Server 2 | Specify the IP address of an optional alternate DNS server. |