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Article ID: 938596 - Last Review: January 10, 2008 - Revision: 2.3

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Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756  (http://support.microsoft.com/kb/322756/ ) How to back up and restore the registry in Windows

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SUMMARY

This article describes a hotfix that you can apply to add a new registry entry in Microsoft Windows Server 2003 or in Windows XP. This registry entry lets you suppress user interface (UI) messages that are related to Plug and Play in Windows Server 2003 or in Windows XP. For example, you can suppress messages such as the following:
Found New Hardware
You might want to use this feature in the following scenario:
  • You connect a device to a Windows Server 2003-based computer or to a Windows XP-based computer.
  • You start a software installation for the device.

    For example, you insert a disc, and then the Auto-Run feature starts the installation of the device drivers.
In this scenario, a conflict may occur that prevents the device from being installed correctly. For example, the Driver Package Installer (DPInst) may stop responding because the New Hardware Found Wizard starts at the same time.

MORE INFORMATION

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

After you install this hotfix, you must edit the registry to configure the setting to suppress messages. Two registry values are increased in this hotfix. "SuppressUI" is only for Windows Server 2003 and Windows XP 64-bit versions. "SuppressNewHWUI" is for Windows XP 32-bit versions.

To fix the issue in Windows Server 2003 or in Windows XP 64-bit versions, add a DWORD value that is named "SuppressUI" to the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PlugPlay\Parameters
To configure this registry setting, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate the following subkey in the registry, and then click it:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PlugPlay\Parameters
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type SuppressUI for the name of the DWORD entry, and then press ENTER.
  5. Right-click SuppressUI, and then click Modify.
  6. Do one of the following:
    • To suppress messages, type 1 in the Value data box, and then click OK.
    • To stop suppressing messages, type 0 in the Value data box, and then click OK.
  7. Exit Registry Editor, and then restart the computer.

    Note The setting does not take effect until the computer is restarted.
To fix the issue in Windows XP 32-bit versions, add a DWORD value that is named "SuppressNewHWUI" to the following registry subkey:
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\DeviceInstall\Settings
To configure this registry setting, follow these steps:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate the following subkey in the registry, and then click it:
    HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\DeviceInstall\Settings
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type SuppressNewHWUI for the name of the DWORD entry, and then press ENTER.
  5. Right-click SuppressNewHWUI, and then click Modify.
  6. Do one of the following:
    • To suppress messages, type 1 in the Value data box, and then click OK.
    • To stop suppressing messages, type 0 in the Value data box, and then click OK.
  7. Exit Registry Editor, and then restart the computer.

    Note The setting does not take effect until the computer is restarted.
Note We recommend that you use this method only as a temporary resolution for a specific problem. For example, after you enable the registry setting to suppress messages, we recommend that you disable the setting after it is no longer required. Otherwise, you will no longer receive any UI messages that are related to Plug and Play.

Hotfix information for Windows Server 2003

A supported feature that modifies the default behavior of the product is available from Microsoft. However, this feature is intended to modify only the behavior that this article describes. Apply this feature only to systems that specifically require it. This feature might receive additional testing. Therefore, if the system is not severely affected by the lack of this feature, we recommend that you wait for the next software update that contains this feature.

If the feature is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the feature.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific feature. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the feature is available. If you do not see your language, it is because the feature is not available for that language.

Prerequisites

To apply this hotfix, the computer must be running one of the following operating systems:
  • A 32-bit version of Windows Server 2003 with Service Pack 1 (SP1) or with Service Pack 2 (SP2)
  • An Itanium-based version of Windows Server 2003 with SP1 or with SP2
  • An x64-based version of Windows

Restart requirement

You must restart the computer after you apply this hotfix. However, you do not have to restart the computer after you change the registry value.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Server 2003, x86-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Umpnpmgr.dll5.2.3790.2950129,53607-Jun-200707:11x86SP1Not Applicable
Umpnpmgr.dll5.2.3790.4094128,00007-Jun-200707:29x86SP2SP2QFE
Windows Server 2003, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Umpnpmgr.dll5.2.3790.2950209,40807-Jun-200707:57x64SP1Not Applicable
Umpnpmgr.dll5.2.3790.4094209,40807-Jun-200711:00x64SP2SP2QFE
Windows Server 2003, Itanium-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Umpnpmgr.dll5.2.3790.2950330,24007-Jun-200707:57IA-64SP1Not Applicable
Umpnpmgr.dll5.2.3790.4094330,24007-Jun-200711:00IA-64SP2SP2QFE

Hotfix information for Windows XP

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

This hotfix requires that you have Windows XP Service Pack 1 or Windows XP Service Pack 2 installed on the computer.
322389   (http://support.microsoft.com/kb/322389/ ) How to obtain the latest Windows XP service pack

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows XP with SP2, x86 Edition
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Umpnpmgr.dll5.1.2600.3276123,39218-Dec-200713:38x86SP2SP2QFE
Windows XP Professional, x64 Edition
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Umpnpmgr.dll5.2.3790.2950209,40807-Jun-200707:57x64SP1Not Applicable
Umpnpmgr.dll5.2.3790.4094209,40807-Jun-200711:00x64SP2SP2QFE

Technical support for x64-based versions of Microsoft Windows

If your hardware came with a Microsoft Windows x64 edition already installed, your hardware manufacturer provides technical support and assistance for the Windows x64 edition. In this case, your hardware manufacturer provides support because a Windows x64 edition was included with your hardware. Your hardware manufacturer might have customized the Windows x64 edition installation by using unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with a Windows x64 edition. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware. If you purchased a Windows x64 edition such as a Microsoft Windows Server 2003 x64 edition separately, contact Microsoft for technical support.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:
http://www.microsoft.com/windowsxp/64bit/default.mspx (http://www.microsoft.com/windowsxp/64bit/default.mspx)
For product information about x64-based versions of Microsoft Windows Server 2003, visit the following Microsoft Web site:
http://www.microsoft.com/windowsserver2003/64bit/x64/editions.mspx (http://www.microsoft.com/windowsserver2003/64bit/x64/editions.mspx)
For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915  (http://support.microsoft.com/kb/816915/ ) New file naming schema for Microsoft Windows software update packages
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/LN/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
Keywords: 
kbautohotfix kbexpertiseadvanced kbbug kbfix kberrmsg kbwinserv2003postsp2fix kbqfe kbhotfixserver KB938596
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