Microsoft Windows XP

Service Pack 1 Installation and Deployment Guide

About This Guide

What Is in Service Pack 1

Planning the Deployment

Installing Service Pack 1 for Windows XP

The Update Installation
The Integrated Installation

Removing Service Pack 1

Copyright



About This Guide

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This guide provides instructions for administrators installing Service Pack 1 (SP1) for Microsoft® Windows® XP Home Edition, Windows® XP Professional, and Windows® XP 64-Bit Edition. This guide includes information for advanced users, technical details, procedures, and recommendations for successfully installing the service pack on multiple computers in a small business or corporate environment.

This document focuses on the key scenarios for installing the service pack either alone or with Windows XP.

Note

If you want to install the service pack in combination with Windows XP hotfixes, see the Microsoft Windows XP Hotfix Installation and Deployment Guide (HFDeploy.htm).

This guide assumes a working knowledge of Windows XP and service pack installations. Although some basic operating system information is included in the document, this is not a replacement for either the Windows XP documentation or formal training. Rather, it is intended to complement these sources of information.

In particular, you should use this guide in conjunction with the Microsoft Windows XP Professional Resource Kit Documentation and the Microsoft Windows 2000 Server Resource Kit. For more information about these technical resources, see "For More Information" later in this document.

The Microsoft Windows XP Service Pack 1 Web site provides a list of known issues and general release notes pertaining to SP1.

Organization of This Guide

This guide includes the following main sections:

Note

For details about the combination installation (installing hotfixes with Windows XP), see the Microsoft Windows XP Hotfix Installation and Deployment Guide (HFDeploy.htm).

Terminology Used in This Guide

Before you get started, it's important to understand a few specialized terms that are used in this installation and deployment guide.

The following table provides definitions of terms used in this guide that are specific to service pack installations or Windows XP, or both.

TermDefinition
systemrootThe "root" directory of the Windows installation on the computer's hard disk. For example, on most computers running Windows XP, systemroot is C:\WINDOWS. If you upgraded your computer to Windows XP from another version of Windows, systemroot might be C:\WINNT.
systemdriveThe drive where the operating system is installed. For example, on most computers, the systemdrive is C:\.
integratedDescribes the version of the service pack that comes bundled with the operating system (for example, Windows XP), which results in a unified operating system that is marketed as such (for example, Windows XP with SP1). You can also create an integrated version of Windows XP operating system files with SP1.

For More Information

For additional information about Windows XP and this service pack, see the following resources:



What Is in Service Pack 1

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This service pack is a collection of updates to Windows XP. To help you learn more about the service pack, this section discusses the following topics:

Important

Although SP1 is not a required upgrade, there are fixes included in this release that might improve the way your programs run with Windows XP.

Service Pack CD Contents

The SP1 CD includes the following items:

The SP1 CD also contains the following documents and tools for advanced users and administrators:

Service Pack Web Site

All files and programs included on the SP1 CD are also available on the Web. On the Microsoft Windows XP Service Pack 1 Web site, you can view a list of fixes included in the service pack, which includes a list of files affected by SP1. The Web site also includes details about known issues, and general release notes for the service pack.

There are also two installation options available from this Web site, as described in the following paragraphs. Note that both of these installations provide you with the exact same software.

Service Pack Debugging Symbols

The debugging symbol files are recommended for system administrators and other advanced users who will be diagnosing Windows XP system problems.

These symbols are located on your SP1 CD in the \support\symbols folder (symbols.exe). During the installation process, the service pack debugging symbol files are copied over any existing versions of the debugging symbol files in the symbol installation folder.

Note

You do not need to have debugging symbols installed for your computer to operate properly.

You can also download symbols from the How to Get Symbols page on the Microsoft Windows Driver Development Kits (DDK) Web site. This page also contains information about the Microsoft Symbol Server, which enables you to download symbols on demand during a debugging session. For more information and to obtain the most current version of the debugging tools for Windows, see the Microsoft Debugging Tools page on the Microsoft Windows DDK Web site.

Service Pack 1 Updates

To help you decide whether to upgrade to this service pack, Microsoft provides extensive documentation about the service pack updates. You will find the current list of fixes and general release note items (for example, space requirements for installing SP1) on the Microsoft Windows XP Service Pack 1 Web site.

The service pack is a collection of updates for Windows XP. These updates address:

Note

If you have not yet installed the Windows XP Update Package, you only need to install Service Pack 1 because the security update is included.

For further information about the Windows XP Update Package, see article Q309521, "Windows XP Update Package, October 25, 2001," in the Microsoft Knowledge Base.

Service Pack 1 Features

SP1 includes the features listed and described in the following paragraphs.

Command-Line Options for XPsp1.exe and Update.exe

To deploy the service pack, you can run the XPsp1.exe program, which extracts the contents of the service pack. After this, the Update.exe program runs automatically to install the service pack. You can define the way these steps are completed by using the options explained in this section.

The following table describes the command-line options that both the Update.exe and XPsp1.exe programs support. You include the options you want to use when you enter the command to extract files from XPsp1.exe. The options, which are passed to Update.exe, dictate the specifics of the installation process; they do not, however, affect the way the files are extracted. All of the options listed in the table include a forward slash (/), but you can use a hyphen (-) instead, if you prefer. The options work the same way with either symbol.

Command-line optionDescription
/UUses unattended Setup. If you use this option, only critical error prompts will appear on-screen during the installation process.
/FForces other applications to close at shutdown.
/NDoes not back up files for removing the service pack.
/OOverwrites OEM files without prompting.
/ZDoes not restart the computer after the installation is completed.
/QUses quiet mode (the same as unattended mode, but with the user interface hidden from view). If you use this option, no prompts will appear on-screen during the installation process.
/LLists installed hotfixes.
/S:<foldername>Combines Windows XP with SP1 in a shared distribution folder for an integrated installation.

Using Command-Line Options

You can use these options to install the service pack as follows:

Command-Line Options for XPsp1.exe Only

The following table identifies additional command-line options that only the XPsp1.exe program supports.

Command-line optionDescription
/XExtracts service pack files without starting Update.exe.

You are prompted to provide the path for the folder to which you want to extract XPsp1.exe.

/U/ X:<foldername>Extracts service pack files to the <foldername> folder without prompting and without starting Update.exe.



Planning the Deployment

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To ensure a successful deployment of the service pack, prepare for your deployment by assessing the updates and enhancements contained in the service pack and determining how they affect your organization. After you have assessed deploying the service pack in your organization, complete these important planning tasks:

The following sections describe these tasks. For a complete list of and detailed information about deployment planning tasks and strategies, see the Microsoft Windows XP Professional Resource Kit Documentation. This guide, which you will find on the Microsoft Windows Resource Kits Web site, is an important tool to use as you design, plan, and develop your deployment of Windows XP as well as Windows XP service packs. It addresses planning information that can help you get started, such as how to create a deployment plan and how to run a pilot project.

Choosing an Installation Method

The service pack supports the following installation methods:

For more information about the update and integrated installation methods, see these sections later in this document:

Identifying the Deployment Tools and Files

After you select your installation method , review the corresponding scenario in the "Installing Service Pack 1 for Windows XP" section later in this document to determine the necessary deployment tools and files.

This section provides a brief overview of common deployment tools and files. For more detailed information about a specific deployment tool or file, see:

Depending on the scenario you choose, you might need one or more of the following deployment tools and files:

Determining Upgrade Options

Before you deploy the service pack in your organization, consider the upgrade paths supported by update and integrated installations:

The following table shows which Windows versions are and are not supported for these two types of SP1 installations.

Windows versionSupported for update installations of Service Pack 1Supported for integrated installations of Service Pack 1
Windows 95NoNo (clean installation is possible)
Windows 98NoYes
Windows 98 Second EditionNoYes
Windows NT 3.51NoNo
Windows NT 4.0 WorkstationNoYes
Windows Millennium EditionNoYes
Windows 2000 ProfessionalNoYes
Windows XP Home EditionYesYes
Windows XP ProfessionalYesYes
Windows XP 64-Bit  EditionYesYes

Checking Space Requirements

Disk space requirements vary according to the version of Windows XP you are installing: Windows XP Home Edition, Windows XP Professional, and Windows XP 64-Bit Edition. For specific information about the space you will need to install SP1 on a given version of Windows XP, see article Q326583, "Hard Disk Space Requirements for Windows XP Service Pack 1," in the Microsoft Knowledge Base.

Testing the Deployment in Your Environment

Although Microsoft has a high degree of confidence in this service pack, we cannot test all possible hardware configurations and line-of-business (LOB) applications that might be present in all environments. Instead, we recommend that you test the service pack in your environment before you deploy it to all of your users.

Testing the service pack in your environment can include, but is not limited to, the following procedure.

To test the service pack in your environment

  1. Take a cross-section of the types of computers used in your environment that should receive the service pack. Make sure that the computers you are using for the test are equipped with the software and the hardware devices that are typically used in your business.
  2. Install the service pack on each of these computers in the same way that you expect to do in your specific environment. Make sure that you perform each of the following actions:
  3. Verify that the software and hardware continue to work as expected for the various scenarios.

    If you are installing Windows XP for the first time in your company or a particular division of your company, you might want to set up a pilot group to help test your deployment and verify that it works in your environment as expected.

For more information about planning for, testing, and deploying Windows XP in your environment, see the deployment information included on the Microsoft Windows Resource Kits Web site.



Installing Service Pack 1 for Windows XP

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The following sections provide instructions for installing SP1. You can either update computers already running Windows XP or complete an integrated installation by installing Windows XP and the service pack together.

For either type of installation, administrative logon credentials are required. To install the service pack on a given computer or over a network, you must be logged on as an administrator.

The Update Installation

During the update installation, the service pack is installed on a computer that is already running Windows XP. When you run the Update.exe program, it installs the updated system files and makes the necessary registry changes. After the computer is restarted, the installation is complete and Windows XP runs with an updated file set.

This section describes the steps involved in the following update installation scenarios:

Important

If a system file on a computer becomes corrupted or needs replacing for some other reason, you will need the service pack source files to replace that system file.

This service pack supports several types of distribution media, including CD-ROMs, shared folders on networks, and Web downloads. Because this guide is intended for corporate audiences, the update installation scenarios described in this document focus on the use of shared distribution folders on networks, which is the most common distribution medium for this audience.

Depending on your installation requirements, you can choose from the various update scenarios presented in this section.

Scenario 1: Installing the service pack so that computers use local service pack source files (recommended)

This method enables you to set up a shared distribution folder on a network so that users can upgrade their computers from a central point and store their system backup files locally.

You can do this by starting the XPsp1.exe program (setting whatever options you want to use). You can also create logon scripts for users, which will ensure that they can upgrade to SP1 when they next use their computers.

Note

In the following procedure, "E:\" represents the drive name of the network or computer where your distribution folder is located.

To install the service pack

  1. Connect to the network or computer on which you want to create the distribution folder.
  2. In the shared folder on the network, create a distribution folder for the service pack.

    For example, to create a distribution folder named XPSP1, type the following at the command prompt:

    mkdir E:\XPSP1

  3. Copy XPsp1.exe into the distribution folder you created in step 2.
  4. Before you begin the installation, be sure to stop any real-time virus checkers that are running on the computers on which you will be installing the service pack.

    This is an important first step, as real-time virus checkers could cause problems with the installation if they are running. For each computer you plan to upgrade, back up the files and close any open programs before you continue (unless you plan to force programs to close during the installation).

  5. To install the service pack from the distribution folder (in this example, named XPSP1), type the following at the command prompt:

    E:\XPSP1\XPsp1.exe

    You can include command-line options as needed. For example, to force programs to close when the service pack installation starts, include the /F option in the installation command. For more information about command-line options, see "Command-Line Options for XPsp1.exe and Update.exe" earlier in this document.

    The progress of the installation is displayed as files are verified and extracted. As soon as this process is completed, the Windows XP SP1 Setup Wizard appears. Follow the instructions given by the Setup Wizard. When you are prompted to select whether to archive files, you are advised to select the Archive Files option to ensure that you can remove the service pack later if you want to.

  6. After the installation is completed, the Setup Wizard gives you the option to restart the computer either now or later. It is recommended that you immediately restart the computer.

    If you want to install hotfixes, see the Microsoft Windows XP Hotfix Installation and Deployment Guide (HFDeploy.htm).

  7. After you restart the computer, be sure to restart the virus checkers.

    Important

    SP1 will not be fully operational until you restart your computer.

Scenario 2: Installing the service pack so that computers use shared, remote service pack source files

This scenario explains how to prepare a shared distribution folder on a network and install the service pack from it. Doing this enables you to store service pack source files in the shared distribution folder rather than on local computers. Note that the update installation method installs the service pack on computers that are already running Windows XP.

Important

Because the service pack source files are kept remotely on the network, this method is suitable only for computers that are permanently connected to the network. For example, this method is not suitable for upgrading laptops.

You must use a shared distribution folder that was created specifically for SP1. Do not reuse a folder that was set up for a previous service pack. Shared distribution folders for service pack source files must be permanent to ensure that all of the files a computer might need to replace are available.

Extracting the files from XPsp1.exe can be useful if you want to use the distribution folder as the folder that contains the service pack source files. This saves disk space on local computers, as the installation would point to the distribution folder for ServicePackFiles rather than creating this folder locally. The ServicePackFiles folder is needed whenever Windows XP requires a service pack file, such as when Windows File Protection needs to restore a corrupted or tampered-with file or when an optional component is configured.

If you move the shared distribution folder, see article Q271484, "Files and Folders Are Added to Your System After Service Pack Is Installed," in the Microsoft Knowledge Base for more information.

Note

In the following procedure, "E:\" represents the drive name of the network or computer where your distribution folder is located.

To install the service pack

  1. Connect to the network or computer on which you want to create the distribution folder.
  2. Before you begin the installation, be sure to stop any real-time virus checkers that are running on the computer on which you will be installing the service pack.

    This is an important first step because virus checkers could cause problems with the installation if they are running.

  3. In the shared folder on the network, create a distribution folder for the service pack. For example, to create a distribution folder named XPSP1, type the following at the command prompt:

    mkdir E:\XPSP1

  4. To extract files to the shared distribution folder, type the following at the command prompt:

    XPsp1.exe /X:<path> /U

    Where <path> is the location of the shared distribution folder.

  5. For each computer you plan to upgrade, back up the files and close programs before you continue (unless you plan to force programs to close during the installation).
  6. To install the service pack from the shared distribution folder, run the service pack update, using Update.exe. For example, to install the service pack from a distribution folder named XPSP1, type the following at the command prompt:

    E:\XPSP1\Update\Update.exe

    The installation continues as described for Scenario 1 earlier in this section.

  7. After the installation is completed, it is recommended that you immediately restart the computer.
  8. If you want to install hotfixes, this is explained in the Microsoft Windows XP Hotfix Installation and Deployment Guide (see HFDeploy.htm).

  9. After you restart the computer, be sure to restart the virus checkers.

Important

SP1 will not be fully operational until you restart your computer.

Scenario 3: Installing the service pack by using SMS

This scenario explains how to install the service pack from a shared distribution folder on a network by using SMS. This update installation method installs the service pack on SMS client computers that are already running Windows XP.

Important

To do this type of installation, you must have SMS 2.0 with Service Pack 4 installed.

To install the service pack by using SMS

  1. Create the SMS package by importing the package definition file for the service pack. In the package, provide the path to the service pack source files.
  2. Distribute the SMS package to the distribution points.
  3. Create the advertisement to notify SMS clients about the service pack.

This scenario assumes that you have an understanding of SMS as well as a working knowledge of software distribution.

For details about deploying SP1 using SMS, see article Q326696, "Installing the Windows XP Service Pack 1 by Using SMS," in the Microsoft Knowledge Base.

Scenario 4: Installing the service pack by using Windows Installer and Group Policy

This scenario explains how to install the service pack from a shared distribution folder on a network by using Windows Installer. This installation method installs the service pack on computers that are already running Windows XP.

To use this method, you should have a good understanding of Windows Installer, as well as a working knowledge of Group Policy and Active Directory®. For more information about Windows Installer, Group Policy, or Active Directory, see the Microsoft Windows Resource Kits Web site.

Using Windows Installer

The Windows Installer package file (Update.msi) contains all of the information that Windows Installer requires to install or remove the service pack and to run the Setup user interface. This package file describes the relationships among service pack features, components, and resources. The package file also contains an installation database, a summary information stream, and data streams for various parts of the service pack installation.

You can use the Software Installation and Maintenance feature in Windows XP, which uses Windows Installer, to deploy Update.msi for all the computers and install the service pack.

The Software Installation and Maintenance feature uses a Group Policy object (GPO) to deploy the package (on networked computers) within Active Directory containers, such as sites, domains, and organizational units that are associated with the GPO.

Microsoft requires that you use the machine assigned distribution method when using Update.msi. There are no other methods available.

Important

Microsoft recommends that you use XPsp1.exe when deploying Windows XP SP1 by using the command prompt. If you use Update.msi to distribute service packs, you must use a computer-based (machine-assigned) GPO only. Microsoft does not support the use of user-based Group Policy deployments with Update.msi. For more information, see article Q278503, "Best Practices for Using Update.msi to deploy Service Packs," in the Microsoft Knowledge Base.

After you assign the package, Windows Installer automatically installs the service pack the next time the users connected to the network start their computers. Note that only a network administrator or someone who is logged on to a local computer as an administrator can remove the assigned software.

Assigning Service Pack 1 to computers

This procedure explains how to assign the service pack to computers managed by a GPO, which you create for the Desktops organizational unit under Resources. For your installation, you might want to associate the GPO with a different Active Directory container. To assign the service pack to computers by using Group Policy, you must do the following:

  1. Create a shared network distribution folder.
  2. Create a Group Policy object for SP1 deployments.
  3. Deploy the SP1 update.msi from the shared distribution folder as machine-assigned. Do not deploy it as an user-deployment.
  4. When the computers are restarted, they will be upgraded to SP1.

Each of these procedures is explained in detail in article Q302430, "HOW TO: Assign Software to a Specific Group By Using a Group Policy," in the Microsoft Knowledge Base.

The Integrated Installation

You can apply the service pack directly to the Windows XP installation files and complete an integrated installation by using a shared distribution folder on a network.

Because the integrated installation replaces individual files, the space requirements for this installation type are practically identical to the space requirements for Windows XP. For information on these requirements, see Readme.htm on the Windows XP CD.

The following scenario explains how to use Update.exe to build the integrated installation and how to run Windows XP Setup to install Windows XP with the service pack already applied.

Because this guide is intended for corporate audiences, the integrated scenario described in this document focuses on the use of shared distribution folders on networks, which is the most common distribution medium for this audience.

Important

This section describes the installation steps for the following integrated installation scenarios:

Depending on your installation requirements, you can choose from these two integrated installation scenarios, which are described in detail in the following sections.

Scenario 1: Installing Windows XP integrated with the service pack

This scenario explains how to create an integrated installation of Windows XP and the service pack in a shared distribution folder on a network. The integrated process installs the service pack during Windows XP Setup. To complete this procedure, you must use a computer that is running Windows XP.

Note that to use the Setup Manager Wizard (setupmgr.exe) to install Windows XP integrated with SP1, you must first have an integrated Windows XP SP1 CD or create a shared distribution folder on the network, as explained in the following procedure. The steps in this procedure use example file locations for creating an integrated installation of Windows XP Professional. You can follow similar conventions for Windows XP Home Edition and Windows XP 64-Bit Edition.

Note

In the following procedure, "E:\" represents the drive name of the network or computer where your distribution folder is located.

To create an integrated installation of Windows XP and the service pack

  1. Connect to the network or computer on which you want to create the distribution folder.
  2. In the shared folder on the network, create a distribution folder for the Windows XP installation files.

    For example, to create a distribution folder named XPSP1_INT\PRO, type the following:

    mkdir E:\XPSP1_INT\PRO

    Ensure only the system administrator has full access to this folder. Other users should have only read and execute permissions.

  3. Insert your Windows XP product CD into the CD-ROM drive, and then copy the contents of the CD to the distribution folder that you created in step 2.

    For example, to copy the installation files and folders from the Windows XP product CD in the CD-ROM drive (D:) to the distribution folder named XPSP1_INT\PRO, type the following:

    xcopy D:\ E:\XPSP1_INT\PRO /E

  4. Remove the Windows XP product CD from the CD-ROM drive, and then insert the service pack CD.
  5. You can extract the service pack source files from XPsp1.exe and put them in a folder you choose on your hard disk if you want to store these files locally, as described in "The Update Installation section" earlier in this document. If you do not want to choose the location on your computer, skip this step and the installation will put the files in the default location.

    For example, to extract the service pack files located in the CD-ROM drive (D:) to a folder named temp on the drive where the distribution folder is located, type the following:

    D:\ XPsp1.exe /X:E:\temp /U

  6. If you extracted the files, you can apply the service pack to the Windows XP installation files located in the folder named XPSP1_INT\PRO by typing the following:

    E:\temp\update\update.exe /S:E\XPSP1_INT\PRO

    For a list of command-line options, see "Command-Line Options for XPsp1.exe and Update.exe" earlier in this document.

  7. The Windows XP Service Pack 1 Setup Wizard displays the progress of your installation and informs you when the installation is completed.
  8. Customize Windows XP Setup, as necessary (for example, to complete an unattended installation or add OEM files). For information on how to do this, see the Microsoft Windows XP Professional Resource Kit Documentation on the Microsoft Windows Resource Kits Web site and Microsoft Windows Preinstallation Reference Help (ref.chm) included in Deploy.cab on your CD in the \support\tools folder.
  9. You can now deploy Windows XP to multiple computers from the shared distribution folder in either attended or unattended Setup mode. During the standard installation process, Windows XP Setup installs the updated operating system with the service pack already applied. For further details, see the Microsoft Windows Corporate Deployment Tools User's Guide (deploy.chm) included in Deploy.cab in the \Support\Tools folder on your SP1 CD.

Important

When you run the Update.exe program as described earlier for an integrated installation, a Svcpack.log file is created automatically in systemroot on the computer that is running the Update.exe program. If you plan to update more than one version of Windows XP on this computer, rename the Svcpack.log file after you update each version. This ensures that you do not overwrite the current log file when you update additional versions of Windows XP.

Scenario 2: Using RIS to install Windows XP integrated with the service pack

This scenario explains how to use Remote Installation Services (RIS) to install Windows XP integrated with the service pack. However, this section does not provide details on how to set up RIS. For more information about RIS, see the technical paper Step-by-Step Guide to Remote OS Installation.

Types of RIS Images

There are two types of operating system images supported by Remote OS Installation: CD-based images (images created via RISetup) and Remote Installation Preparation (RIPrep) images. The CD-based option is similar to setting up a client operating system directly from the Windows XP product CD, but in this case, the source files reside on a RIS server. The RIPrep image enables an administrator to configure a client computer exactly how he or she wants it and then make a copy of that image for installation on client computers connected to the network.

Adding a Service Pack 1 Integrated CD-Based Image to a RIS Server

After you complete the installation of RIS on the server, perform the following steps to add an image of Windows XP integrated with the service pack to your RIS server.

To copy Windows XP integrated with Service Pack 1 to your RIS server

  1. Create an integrated installation of Windows XP with SP1. For more information, see "Scenario 1: Installing Windows XP integrated with the service pack" earlier in this document.
  2. To create a new image, click Start, and then click Run. Type:

    risetup.exe -add

  3. The Remote Installation Services Set Wizard appears. Follow the instructions given by the wizard. When prompted for the image source by the Installation Source Files Location page, enter the path to the shared folder that contains the integrated installation that you created in step 1.
  4. The installation continues, and a box appears showing progress. After the RISetup image is complete. You can install the image on each computer by following the instructions given in the "Remote Installation Services" topic in Help and Support Center.

Updating Existing RIPrep Images to Service Pack 1

If you want to update your integrated installation image with additional programs or settings, you must have an SP1 CD-based image of Windows XP on your RIS server (see the preceding section, "Adding a Service Pack 1 Integrated CD-Based Image to a RIS Server").

To update existing RIPrep images

  1. Install the RIPrep image on your computer by using RIS.
  2. Add additional programs and settings you want to include in the image.
  3. Run RIPrep to copy the image back to the RIS server. For instructions on how to run RIPrep, see the technical paper Step-by-Step Guide to Remote OS Installation.
  4. You can now deploy your RIPrep image to other computers. For details about how to do this, see the "Remote Installation Services" topic in Help and Support Center.

Note

You cannot use the /S option to integrate SP1 directly into an existing CD-based image or RIPrep image.



Removing Service Pack 1

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This section discusses the process of removing the service pack from your computer. If you want to remove the service pack, it is possible to restore your computer to its previous state. However, you cannot remove a service pack that was installed by means of an integrated installation.

When you run the Update.exe program to install the service pack, a subfolder named $ntservicepackuninstall$ is created in your systemroot folder.

You can remove the service pack by using Add or Remove Programs in Control Panel.

Important

To remove the service pack by using Add or Remove Programs

  1. If you installed any applications after the service pack was installed, you must remove these applications first, in the order in which they were installed.
  2. Click Start, and then click Control Panel.
  3. Click Add or Remove Programs, click Windows XP Service Pack 1, and then click Change or Remove Programs.
  4. Follow the instructions that appear on your screen.

    Important

    If you choose to remove SP1, a dialog box appears, listing the applications you installed since you upgraded to SP1. If you continue with the removal, these applications might not work correctly.



Copyright

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Information in this document, including URL and other Internet Web site references, is subject to change without notice. Unless otherwise noted, the example companies, organizations, products, domain names, e-mail addresses, logos, people, places and events depicted herein are fictitious, and no association with any real company, organization, product, domain name, e-mail address, logo, person, place or event is intended or should be inferred. Complying with all applicable copyright laws is the responsibility of the user. Without limiting the rights under copyright, no part of this document may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of Microsoft Corporation.

Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document. Except as expressly provided in any written license agreement from Microsoft, the furnishing of this document does not give you any license to these patents, trademarks, copyrights, or other intellectual property.

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Microsoft, Active Directory, MS-DOS, Windows, and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

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The names of actual companies and products mentioned herein may be the trademarks of their respective owners.