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# Windows NT Realm-->Configuration

Tasks Related Topics Attributes

## Overview

The Windows NT security realm uses account information defined for a Windows NT domain to authenticate users and groups. Use this page to define a name for the realm and the computer on which the Windows NT domain is running.

When using the Windows NT security realm, you must configure a Caching realm. When configuring the Caching realm, select the Windows NT security realm as the Basic realm. The Basic attribute defines the association between the Caching realm and the Windows NT security realm.

To use the Windows NT security realm, you need to use Compatibility security. The use of the Windows NT security realm is deprecated in this release of WebLogic Server.

## Tasks

Configuring the Windows NT Security Realm

Adding a Note to the Windows NT Security Realm

Configuring the Caching Realm

## Related Topics

Introduction to WebLogic Security

Managing WebLogic Security

Securing WebLogic Resources

Programmimg WebLogic Security

Developing Security Providers for WebLogic Server

Securing a Production Environment

The Security topics in the WebLogic Server 8.1 Upgrade Guide

Security FAQ

The Security page in the WebLogic Server documentation

## Attributes

Table 141-1

Attribute Label | Description | Value Constraints
--- | --- | ---
Name | The name of this configuration. WebLogic Server uses an MBean to implement and persist the configuration. |
Primary Domain | The host name of the Windows NT Primary Domain Controller where users and groups are defined for the domain. If entering multiple sets of host names, delimit them with commas. If the local computer(where WebLogic Server executes) is the Primary Controller, you set set the attribute to period ("."). | Default: null
Realm Class Name | The realmClassName attribute of the BasicRealmMBean object |