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Managing Services and
RegistryChapter 16
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Chapter Objectives
Use Services Console
Manage Services from Command Prompt and Task Manager
Explain the Structure of the Registry
Avoid Registry Mishaps
Edit Registry
Monitor Registry Changes
Restrict Access to Registry Editor
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Recall
The Startup Repair Tool takes back up and runs when Windows does not start due to corrupt system files
The Windows Memory Diagnostic Tool is used to test the memory of your computer
System Restore is a method that uses the computer’s previous configuration for recovering from system failure
A restore point is like a snapshot of the system at a particular time
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Using Services Console - I
A service is a program that performs a particular function which supports other programs in a computer
In Windows Vista, the services are provided in the Services console
Views ofServiceConsole
ExtendedView
StandardView
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Using Services Console - II
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Practical Activity: Demonstrate a procedure to view the Services console. (2 min)
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Starting and Stopping Services
The status of a service can be changed from the Services console
Generally, the services start automatically
The operating system stops the services, as it is a part of shutdown
All services do not allow you to change their status
Button Name
Start
Resume
Stop
Pause
Restart
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Question for group discussion – What is use of services? (2 min)
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Configuring Services
A service can be configured using the Service Properties dialog box
The Service Properties consist of four tabs:
General
Log On
Recovery
Dependencies
You can review or modify the service settings:
Setting Startup options
Specifying the Recovery options
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Practical Activity: Demonstrate a procedure to specify a recovery action for a service. (6 min)
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Determining the Name of a Service The Service Properties dialog box displays the three names of
the service such as Service name, Display name and Executable name
The service name is required while working with the registry entry of the service
The display name is required while working on the Services console
The executable name is needed when the users encounter a problem while running the service
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Question for group discussion – Name the services that are used frequently. (2 min)
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Managing Services from Command Prompt
Services can be managed from the command prompt using various Net commands
Net commands used for managing services are: Net Start
Net Start Service
Net Stop Service
Net Pause Service
Net Continue Service
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Managing Services from Task Manager The Services tab of
the Windows Task Manager is used for managing services
It displays information such as Name, PID (Process Identifier), Description, Status and Group of the services
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Practical Activity: Demonstrate a procedure to stop a service using the Net Stop [service] command. (5 min)
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Structure of the Registry - I Registry is a warehouse for information about the computer's
configuration
Registry can be edited using the Registry Editor
A root key with their subkeys can be described as a path
Example: HKLM\Systems\CurrentControlSet
A key with all its subkeys and value is called a hive
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Structure of the Registry - II The root keys provided by Registry Editor are:
HKEY_CLASSES_ROOT
HKEY_CURRENT_ USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_CURRENT_CONFIG
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Practical Activity: Demonstrate a procedure to view the hive files. (5 min)
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Registry Data Types
Registry uses various data types:
REG_SZ
REG_BINARY
REG_DWORD
REG_QWORD
REG_MULTI_SZ
REG_EXPAND_SZ
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Introducing Registry Virtualization This process prevents the applications running under the
standard user account from writing to system folders in the file system and to machine-wide keys in the registry
The virtualization data is stored in the per user section of the registry
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Question for group discussion – Name the registry data types. (2 min)
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Avoiding Registry Mishaps Registry Editor copies all the changes into the registry and does not
have an undo command
The registry can be saved in one of the following four formats: Registration Files
Registry Hive Files
Win9x/NT4 Registration Files
Text Files
Allows to export and import the registry hive files
The System Protection utility is used to save the registry's state from time to time
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Group Activity: Ask the students to standup and sit down.
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Editing the Registry - I
The Find command can be used to find a particular key, value or data item
The data associated with a particular value can be changed using the Registry Editor
To add a new key, select the parent folder or key and click Edit New Key
To delete a key, select the key and press Delete
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Practical Activity: Demonstrate a procedure to export a registry hive. Demonstrate a procedure to restore the registry from an exported hive file. (15 min)
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Editing the Registry - II
To add a value, select the parent key and click Edit New Type of value
Following are the values with their data type:
Menu name Registry Data Type
String Value REG_SZ
Binary Value REG_BINARY
DWORD (32-Bit) Value REG_DWORD
QWORD (64-Bit) Value REG_QWORD
Multi-String Value REG_MULTI_SZ
Expandable String Value REG_EXPAND_SZpowered by dj
Practical Activity: Demonstrate a procedure to add a key. (5 min)
Practical Activity: Demonstrate a procedure to add a key. (5 min)
Group Activity: Ask the students to their sitting arrangement.
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Restricting Access to Registry Editor Access to the Registry Editor for ‘all’ the users can be
prevented using the local group policy
Access to the Registry Editor for a single user can be prevented using Registry Editor
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Practical Activity: Demonstrate a procedure to lock all users to access the Registry Editor by setting a local group policy. (8 min)
Practical Activity: Demonstrate a procedure to lock a particular user to prevent access to the Registry Editor. Ask the students to re-enable the user to use the Registry Editor. (10 min)
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Summary - I Windows Vista provides the Services console. It can be opened
by typing Services.msc in the Instant Search box or in the command prompt
The Services console provides the following two types of views: Extended View and Standard View
The Services console enables you to start, pause and stop the services
Windows Vista allows you to control the services via command prompt. It uses Net commands for managing the services
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Summary - II
Windows Vista also allows you to manage the services from the task manager
The Registry Editor can be opened by typing regedit in the Instant search box and selecting the regedit link
The Registry Editor Window provides five root keys, namely, HKCR, HKCU, HKLM, HKU and HKCC
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Summary - III
Registry Editor copies all the changes made immediately and does not provide Undo option
Registry Editor can save all the portions of the registry in any of four different formats: Registration Files, Registry Hive Files, Win9x/NT4 Registration Files and text file
Windows Vista allows you to export and import the registry hive files
You can delete the created key from the registry editor
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