1

Module 7

Configuring the Windows NT Environment

2

Overview

Registry Overview

Control Panel Hardware Settings

Control Panel Software Settings

System Policy Editor

Registry Editor

3

Registry Overview

Components That Use the Registry

The Hierarchical Structure of the Registry

Registry Subtrees

HKEY_LOCAL_MACHINE

4

Components That Use the Registry

Registry Edit Options Window HelpTree View Security

Registry Editor [HKEY_LOCAL_MACHINE on Local Machine]

CloneHardwareSAMSecuritySoftwareSystem

HKEY_LOCAL_MACHINE

RegistryRegistry

Windows NT Kernel

(NTOSKRNL)

Windows NT Kernel

(NTOSKRNL)

DeviceDrivers

DeviceDrivers

UserProfiles

UserProfiles

HardwareProfiles

HardwareProfiles

SetupPrograms

SetupPrograms

Hardware Data

Hardware Data

5

The Hierarchical Structure of the Registry

Registry Edit Options Window HelpTree View Security

Registry Editor (HKEY_LOCAL_MACHINE on Local Machine)

HARDWARESAMSECURITYSOFTWARE

HKEY_LOCAL_MACHINE

ClassesDescriptionMicrosoft

AudioCompressionMeBrowser CurrentVersion NetRulesCryptographyDirectPlayInternet ExplorerLanman ServerLanman WorkstationNbf

Description: REG_SZ: Microsoft Network Browser ServiceInstallDate: REG_DWORD: 0x31937598MajorVersion: REG_DWORD: 0x4MinorVersion: REG_DWORD: 0RefCount: REG_DWORD: 0ServiceName: REG_SZ: BrowserSoftwareType: REG_SZ: serviceTitle: REG_SZ: Computer Browser

6

Registry Subtrees

Registry Editor

Registry Edit Options Window HelpTree View Security HKEY_LOCAL_MACHINE on local machine

HKEY_USERS on local machine HKEY_CURRENT_CONFIG on local machine

HKEY_CLASSES_ROOT on local machine

HKEY_CURRENT_USER on local machine

AppEventsConsoleControl PanelEnvironmentKeyboard LayoutSoftware

HKEY_CURRENT_ USER

Microsoft

ClockCommand ProcessorFile ManagerInternet ExplorerMailMultimedia

CompletionChar: REG_DWORD: 0DefaultColor: REG_DWORD: 0EnableExtensions: REG_DWORD: 0x1

7

HKEY_LOCAL_MACHINE

Registry Edit Options Window HelpTree View Security

Registry Editor [HKEY_LOCAL_MACHINE on Local Machine]

HardwareSAMSecuritySoftwareSystem

HKEY_LOCAL_MACHINE

8

Control Panel Hardware Settings

Managing Hardware Profiles

Configuring the Display

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Managing Hardware Profiles

At startup, if Windows NT cannot determine which hardware profile to use, it should:

Wait indefinitely for user selection

Wait for user selection for seconds,

then select the highest-order preference.

Available Hardware Profiles:

Multiple Hardware Profiles

Hardware Profiles provide a way to create hardwareconfigurations that you can choose from at startup.

Off the NetworkWired to the LAN (Current)

General Performance Environment

User ProfilesHardware ProfilesStartup/Shutdown

.

Copy...

. 30

OK Cancel Apply

Properties Rename... Delete

System Properties ?

10

Configuring the Display

List All Modes...

Apply

Display Type...

OK Cancel

Large Fonts

256 Colors Less More

1024 by 768 pixels

Display Properties

Use hardware default setting

Color Palette

Font Size

Desktop Area

Refresh Frequency

l l l l

Test

Background Screen Saver Appearance Plus! Settings

?

11

Control Panel Software Settings

Changing Startup and Shutdown Settings

Configuring Virtual Memory

Setting Environment Variables

Adding and Removing Windows NT Components

12

Changing Startup and Shutdown Settings

When a STOP error occurs, do the following:

Write an event to the system log

Send an administrative alert

Write debugging information to:

%SystemRoot%\MEMORY>DMP

Automatically reboot

Overwrite any existing file

Startup:

General Performance EnvironmentUser ProfilesHardware ProfilesStartup/Shutdown

System Startup

Recovery

System Properties

ApplyOK Cancel

‘Windows NT Workstation Version 4.00”

Show list for 30 seconds

?

13

Configuring Virtual MemoryVirtual Memory

OK

Cancel

Help

Drive [Volume Label] Paging File Size (MB)

Drive: C

Space Available: 160 MB

Minimum Allowed: 2MB

Recommended: 43MB

Currently Allocated: 43MB

Paging File Size for Selected Drive

Total Paging File Size for All Drives

Current Registry Size: 2MB

Registry Size

C: 43 . 93

Maximum Size (MB): 93

Initial Size (MB): 43

Maximum Registry Size (MB): 8

Set

14

Setting Environment Variables

User Variables for Administrators:

ComSpec

General Performance EnvironmentUser ProfilesHardware ProfilesStartup/Shutdown

OK Cancel Apply

System Properties ?

System Variables:

C:\WINNT\system32\cmd.exe1Windows_NTC:\WINNT\System32\os2\dll;C:\WINNT\System32;C:\WINNT

TEMP C:\TEMPTMP C:\TEMP

NUMBER_OF_PR...OSOs2LibPathPath

Variable Value

Variable: ComSpec

Value: %SystemRoot%\system32\cmd.exe

Set Delete

Variable Value

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Adding and Removing Windows NT Components

To add or removemeans that onlywhat’s included i

Components:

Space required:

Space available

Includes optionmouse behaviorimpairments.

Description

..........Accessi

Accesso

Commun

Games

Microso

Add/Remove Programs Properties ?

Install/Uninstall

The following software can be automatically removed byWindows. To remove a program or to modify its installedcomponents, select it from the list and click Add/Remove.

To install a new program from a floppy disk or CD-ROMdrive, click Install.

Install/Uninstall Windows NT Setup

Microsoft ExchangeMicrosoft Word 7.0WinZip

OK Cancel Apply

Add/Remove...

Add/Remove Programs Properties ?

Install...

16

System Policy Editor

Introducing System Policy Editor

Registry Mode vs. Policy File Mode

Changing Registry Settings

Using System Policy Editor to Secure a Computer

17

Introducing System Policy Editor

File Edit View Help

System Policy Editor - Untitled

Options

Default User DefaultComputer

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Registry Mode vs. Policy File Mode

File Edit View Help

System Policy Editor - Local Registry

Options

Local User LocalComputer

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Changing Registry Settings

File Edit View Help

System Policy Editor - Local Registry

OptionsPolicies

Remove Run command from Start menuRemove folders from Settings on Start menuRemove Taskbar from Settings on Start menuRemove Find command from Start menu

WallpaperColor scheme

ShellRestrictions

DesktopRestrict display

DisplayControl Panel

Default User

Default User Properties

OK Cancel

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Using System Policy Editor to Secure a Computer

User name:

HelpCancel Shut Down

Logon Information

Enter a user name and password that is valid for thissystem.

OK

Password:

Domain:

User1

WORKGROUP

User name:

HelpCancel Shut Down

Logon Information

Enter a user name and password that is valid for thissystem.

OK

Password:

Domain: WORKGROUP

Set Sytem PolicyEditor Parameter

to Prevent DisplayingLast Logon Name

Set Sytem PolicyEditor Parameter

to Prevent DisplayingLast Logon Name

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Registry Editor

Using Registry Editor

Registry Editor Commands

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Using Registry Editor

Registry Editor

Registry Edit Options Window HelpTree View Security HKEY_LOCAL_MACHINE on local machine

HKEY_USERS on local machine HKEY_CURRENT_CONFIG on local machine

HKEY_CLASSES_ROOT on local machine

HKEY_CURRENT_USER on local machine

AppEventsConsoleControl PanelEnvironmentKeyboard LayoutSoftware

HKEY_CURRENT_ USER

Microsoft

ClockCommand ProcessorFile ManagerInternet ExplorerMailMultimedia

CompletionChar: REG_DWORD: 0DefaultColor: REG_DWORD: 0EnableExtensions: REG_DWORD: 0x1

23

Registry Editor Commands

Registry Editor Find Key Command

Searches the Registry for a specific key

Registry Editor Find Key Command

Searches the Registry for a specific key

Find what:

Match whole word only

Match case Up Down

Direction

.Help

Cancel

Find Next

Find ?

24

Review

Registry Overview

Using Control Panel to Configure the Computer

Control Panel Hardware Settings

Control Panel Software Settings

System Policy Editor

Registry Editor