multiple users with the account name John Smith log on to the computer, the first John Smith is assigned a folder named JohnSmith. Subsequent users with the same name are assigned folders named JohnSmith with a numerical suffix appended, for example JohnSmith.000, JohnSmith.001, and so forth.

Manually Administering a User Profile through the Registry

As system administrator, you may need to change a given setting to avoid un- necessary user interaction, to make modifications before setting the profile to mandatory, or to add custom registry entries. In addition, you may need to modify the Default User Profile on a computer before new users log on and use it as the template. You can open a specific user’s profile or the Default User Profile and customize it manually as explained in the procedure below.

NOTE: Make sure that the user is not logged on before using this procedure. If the user is logged on while changes are made, the changes will be overwritten by the user’s preferences because profile settings are saved at log off.

As discussed earlier, the NTuser.dat file contains all of the registry settings located in HKEY_CURRENT_USER. As system administrator, you can modify the data contained in the NTuser.dat portion of the profile by loading the hive into the registry.

To manually customize a User Profile:

1.Locate the profile to be modified.

If the profile is a server-based profile, locate the

\\server\share\username and determine the extension on the NTuser.xxx file.

If the profile is a local profile, locate the %system- root%\Profiles\username directory, and determine the extension on the NTuser.xxx file.

If you need to edit the Default User Profile, locate the %system- root%\Profiles\Default User directory, and determine the extension on the NTuser.xxx file.

If you need to edit the Network Default User Profile, locate the Default User folder in the NETLOGON share of the domain controllers that are doing user authentication, and determine the extension on the NTuser.xxx file. If there is more than one domain controller and di- rectory replication is ensuring that the “Default User”profile is the same on all domain controllers, open only the profile on the domain controller which is the export server.

2.Start Regedt32.exe, and select the HKEY_USERS on Local Machine window. Highlight the root key of HKEY_USERS.

3.From the Registry menu, select Load Hive.

4.Browse for the directory identified in Step 1, and select the NTuser.xxx file located in that directory.

5.A dialog will prompt you to enter a Key Name. You can use any value, but you must remember this value so that you can select it during the unload

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Microsoft Windows NT 4.0 Manually Administering a User Profile through the Registry, To manually customize a User Profile

Windows NT 4.0 specifications

Microsoft Windows NT 4.0, released on July 29, 1996, marked a significant milestone in the evolution of Microsoft's operating systems. As the successor to Windows NT 3.51, this version brought a range of enhancements and features that appealed to both enterprise users and consumers.

One of the standout characteristics of Windows NT 4.0 was its introduction of the Windows 95 user interface, which significantly improved user experience and accessibility. This graphical interface made it easier for users to navigate the operating system, transitioning from the more complex interfaces of previous NT versions. The integration of familiar elements such as the Start menu and taskbar helped bridge the gap between professional and personal computing environments.

Windows NT 4.0 was built on a robust and secure architecture. It utilized the NT kernel, which provided improved multitasking and stability compared to its predecessors. This operating system was designed to handle multiple user sessions simultaneously, making it suitable for servers as well as workstations. The inherent stability of NT 4.0 made it a favorite in enterprise environments, particularly for critical applications and systems.

Another defining feature of NT 4.0 was its support for a wide range of hardware, making it versatile across various machine configurations. It included compatibility with numerous devices and peripherals, which facilitated its adoption in diverse settings.

In addition to user interface enhancements and hardware compatibility, Windows NT 4.0 introduced powerful networking capabilities. The operating system supported TCP/IP natively, alongside NetBEUI and IPX/SPX protocols. This meant that it could seamlessly integrate into existing network environments, providing essential services for file and printer sharing, domain management, and remote access through features like Remote Access Service (RAS).

Security was another key focus area for Windows NT 4.0. Built around security principles, it employed a discretionary access control system, allowing administrators to define user permissions and manage access to resources effectively. This was particularly appealing to businesses that needed to enforce strict security policies.

Windows NT 4.0 also included improved support for backup and recovery, through the inclusion of the NT Backup utility. The operating system allowed for the creation of scheduled backups and simplified data recovery processes, enhancing data integrity and reliability.

As NT 4.0 entered its later years, it laid the groundwork for future Windows operating systems, influencing the design of later versions, particularly Windows 2000. It combined user-friendly features with enterprise-level robustness, ultimately shaping expectations for modern operating systems across various industries.