Poor printing performance in Windows 7 or in Windows Server 2008 R2 compared to the performance in Windows Vista or in Windows Server 2008

SYMPTOMS

On a computer that is running Windows 7 or Windows Server 2008 R2, the printing performance may be poor compared to the performance on a computer that is running Windows Vista or Windows Server 2008. Additionally, a computer that is running Windows 7 or Windows Server 2008 R2 consumes more CPU resources when you print a document.

For example, CPU usage remains at 100 percent for a long time in Task Manager when you print a document on a computer that is running Windows 7 or Windows Server 2008 R2.

CAUSE

This issue occurs because of a performance regression in spooler behavior on single-processor systems that are running Windows 7 or Windows Server 2008 R2.

RESOLUTION

Hotfix information

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 the problem described in this article. 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=supportNote 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

To apply this hotfix, you must be running Windows 7 or Windows Server 2008 R2.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information notes


Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Localspl.dll

6.1.7600.20780

768,512

14-Aug-2010

04:35

x86

Winprint.dll

6.1.7600.16385

29,696

14-Jul-2009

01:16

x86

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Localspl.dll

6.1.7600.20780

955,904

14-Aug-2010

05:19

x64

Winprint.dll

6.1.7600.16385

39,424

14-Jul-2009

01:41

x64

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Localspl.dll

6.1.7600.20780

2,052,608

14-Aug-2010

04:16

IA-64

Winprint.dll

6.1.7600.16385

90,624

14-Jul-2009

01:50

IA-64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

X86_41a317bd2e1a249d7636ad63afd94b14_31bf3856ad364e35_6.1.7600.20780_none_be6cee479e848788.manifest

File version

Not applicable

File size

718

Date (UTC)

14-Aug-2010

Time (UTC)

07:28

Platform

Not applicable

File name

X86_microsoft-windows-p..ooler-core-localspl_31bf3856ad364e35_6.1.7600.20780_none_3076552a0d23c6d8.manifest

File version

Not applicable

File size

4,844

Date (UTC)

14-Aug-2010

Time (UTC)

07:31

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_41a317bd2e1a249d7636ad63afd94b14_31bf3856ad364e35_6.1.7600.20780_none_1a8b89cb56e1f8be.manifest

File version

Not applicable

File size

720

Date (UTC)

14-Aug-2010

Time (UTC)

07:28

Platform

Not applicable

File name

Amd64_49d94added9d401ed947e1b19b1db696_31bf3856ad364e35_6.1.7600.20780_none_306849d0c8772c17.manifest

File version

Not applicable

File size

722

Date (UTC)

14-Aug-2010

Time (UTC)

07:28

Platform

Not applicable

File name

Amd64_microsoft-windows-p..ooler-core-localspl_31bf3856ad364e35_6.1.7600.20780_none_8c94f0adc581380e.manifest

File version

Not applicable

File size

4,845

Date (UTC)

14-Aug-2010

Time (UTC)

07:34

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_47c9c30e820ac717d7a7203f4795c495_31bf3856ad364e35_6.1.7600.20780_none_fb3a20429ff156cd.manifest

File version

Not applicable

File size

720

Date (UTC)

14-Aug-2010

Time (UTC)

07:28

Platform

Not applicable

File name

Ia64_microsoft-windows-p..ooler-core-localspl_31bf3856ad364e35_6.1.7600.20780_none_3077f9200d21cfd4.manifest

File version

Not applicable

File size

4,844

Date (UTC)

14-Aug-2010

Time (UTC)

07:28

Platform

Not applicable

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