# Assigning User Security for a Server

You can associate users, user groups, and roles to a server to control the operations that the users can perform on the server. For example, to create an administrator who can access everything in the Commvault environment, create a security association between the CommCell computer, the master role, and the users who are the administrators.

## Before You Begin

If a system-created role does not meet your needs, create a role that contains the permissions that you want the users to have on the server.

## Procedure

1. From the Command Center navigation pane, go to Manage > Infrastructure > Servers.

   Tip

   To go directly to the CommCell computer, go to Manage > CommCell.

   A page listing the servers appears.

2. Under Servers, click the server.

   The server details page appears.

3. Under Security, click Edit.

   The Security dialog box appears.

4. On the Associations tab, in the user box, type the user or user group name, and from the generated list, click the user or user group name.

5. In the Select a role box, select the role, and then click Add.

   For example, to assign all permissions to a user, select the master role.

6. Repeat the preceding steps for each user and user group and role that you want to include in the security association.

7. Click Save.

## Results

The users and user groups can perform actions on the server based on the permissions defined in the role.

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