---
title: "Adding and Removing Licenses"
slug: "adding-and-removing-licenses-4-1-1"
tags: ["Portal"]
updated: 2026-08-18T10:42:18Z
published: 2026-08-18T10:42:18Z
canonical: "kb.ctera.com/adding-and-removing-licenses-4-1-1"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.ctera.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Adding and Removing Licenses

As a prerequisite, you must purchase a license key from your CTERA authorized reseller, specifying your portal's DNS suffix, antivirus requirements, and the number of required CTERA Edge Filers, server agents, and workstation agent licenses. You receive one or more license keys.

**Note**

You can view your CTERA Portal's DNS suffix, in the global administration view's **Settings > Control Panel > Global Settings** page. This DNS suffix was set up when you installed the CTERA Portal, as described in the installation guide for your environment. To extend a trial license requires Internet access. If this is a problem, contact [CTERA support](http://ctera.com/support).

## Adding a License

To add a license see [Installing the Portal License](/v1/docs/installing-the-portal-license-4-2).

## Adding or Editing a Comment for a License

**To add or edit a license comment:**

1. In the global administration view, select **Settings > License** in the navigation pane.  

The **License** page is displayed.  

![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-PHM3YF03.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A49%3A39Z&se=2026-11-11T05%3A49%3A39Z&sr=c&sp=r&sig=Xa%2BCi7je1CbOh5%2ByH%2BtuWHMf7dDUuF0PCf7IVaAB6ZU%3D)
2. Click the license key.  

The **Edit License Comment** page is displayed.  

![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-BO47OOH6.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A49%3A39Z&se=2026-11-11T05%3A49%3A39Z&sr=c&sp=r&sig=Xa%2BCi7je1CbOh5%2ByH%2BtuWHMf7dDUuF0PCf7IVaAB6ZU%3D)
3. Optionally, add or edit the contents of the **Comment** field.
4. Click **Save**.

## Removing Licenses

**To remove a license:**

1. In the global administration view, select **Settings > License** in the navigation pane.  

The **License** page is displayed.
2. Select the license key and click **Delete License**.  

A confirmation window is displayed.
3. Click **Delete License**.

The license key is deleted.