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Article ID: 2778831 - Last Review: January 10, 2013 - Revision: 1.0

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Symptoms

Consider the following scenario:
  • You install the Remote Desktop Services (RDS) role on a Windows Server 2008 R2-based computer.
  • The server uses the client-side rendering feature for print jobs.
  • Clients from different locations connect to the RDS server, and they use different printers based on their location.

In this scenario, the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Providers\Client Side Rendering Print Provider registry key can quickly grow to 1 gigabyte (GB) or larger. Additionally, you may experience performance issues on the RDS server, such as slow logon times or high CPU usage by the print spooler. Additionally, when you try to map a printer on the RDS server, you receive an error message that resembles the following:
Error 0x00000006

Cause

This issue occurs because the RDS server caches client information for each user and printer in the Client Side Rendering Print Provider registry key when a client user connects to the RDS server by using network printer connections. These registry entries are not deleted when the client user disconnects from the server, and they become stale if the user never logs on again.

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 website:
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.

Note This hotfix does not remove the existing leaked data from the registry key. You have to manually delete the leaked registry entries from the registry key.

Prerequisites

To apply this hotfix, you must be running Windows Server 2008 R2 or Windows Server 2008 R2 Service Pack 1 (SP1). For more information about how to obtain a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To use the hotfix, you do not have to change 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 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 files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 0.21xxxWindows Server 2008 R2RTMLDR
    6.1.760 1.22xxxWindows Server 2008 R2SP1LDR
  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MANIFEST files and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Win32spl.dll6.1.7600.21363751,61607-Nov-201205:52x64
Win32spl.dll6.1.7601.22154756,22407-Nov-201205:42x64
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For all supported IA-64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Win32spl.dll6.1.7600.213631,513,47207-Nov-201204:52IA-64
Win32spl.dll6.1.7601.221541,527,29607-Nov-201204:51IA-64
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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  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2
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File nameAmd64_01fe9680c458dc29eca84e1ead48b39a_31bf3856ad364e35_6.1.7600.21363_none_d50bbaa4cbc862df.manifest
File versionNot applicable
File size722
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameAmd64_18c30bb7fcc0656ae302adc6834281ff_31bf3856ad364e35_6.1.7601.22154_none_385c58d3e2aa6c2e.manifest
File versionNot applicable
File size722
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameAmd64_1ffc80ba56e5240e47c4074025f07f4a_31bf3856ad364e35_6.1.7600.21363_none_68dbce5c1b3fd787.manifest
File versionNot applicable
File size722
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameAmd64_81f9f20fc5eead21b1784dbc9b62e10e_31bf3856ad364e35_7.1.7601.22154_none_76e0d2877bb329ca.manifest
File versionNot applicable
File size1,086
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameAmd64_bec2e8d6b4911bee14846c6e826f82e6_31bf3856ad364e35_6.1.7601.22154_none_f8402e3ef4d31228.manifest
File versionNot applicable
File size722
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameAmd64_d6aad80adcca49cc2afcf95764a818a0_31bf3856ad364e35_7.1.7600.21363_none_eb9ddbb28e833392.manifest
File versionNot applicable
File size1,086
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameAmd64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7600.21363_none_96054fc1a3aa5c4d.manifest
File versionNot applicable
File size10,428
Date (UTC)07-Nov-2012
Time (UTC)06:20
PlatformNot applicable
File nameAmd64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7601.22154_none_97f77cfda0c7c59f.manifest
File versionNot applicable
File size10,428
Date (UTC)07-Nov-2012
Time (UTC)08:01
PlatformNot applicable
File nameAmd64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_7.1.7600.21363_none_8775cc072e91051c.manifest
File versionNot applicable
File size6,373
Date (UTC)07-Nov-2012
Time (UTC)06:26
PlatformNot applicable
File nameAmd64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_7.1.7601.22154_none_8967f9432bae6e6e.manifest
File versionNot applicable
File size6,373
Date (UTC)07-Nov-2012
Time (UTC)08:07
PlatformNot applicable
File nameWow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7600.21363_none_a059fa13d80b1e48.manifest
File versionNot applicable
File size10,426
Date (UTC)07-Nov-2012
Time (UTC)05:17
PlatformNot applicable
File nameWow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7601.22154_none_a24c274fd528879a.manifest
File versionNot applicable
File size10,426
Date (UTC)07-Nov-2012
Time (UTC)06:46
PlatformNot applicable
File nameWow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_7.1.7600.21363_none_91ca765962f1c717.manifest
File versionNot applicable
File size6,371
Date (UTC)07-Nov-2012
Time (UTC)05:18
PlatformNot applicable
File nameWow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_7.1.7601.22154_none_93bca395600f3069.manifest
File versionNot applicable
File size6,371
Date (UTC)07-Nov-2012
Time (UTC)06:47
PlatformNot applicable
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Additional files for all supported IA-64-based versions of Windows Server 2008 R2
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File nameIa64_2e3d40a3614c7dcc2b4a58d77c36ba6b_31bf3856ad364e35_6.1.7600.21363_none_49420f6f32bb0d46.manifest
File versionNot applicable
File size1,084
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameIa64_9a3219285decc7ad950b7b36af10aa02_31bf3856ad364e35_6.1.7601.22154_none_21a6d59f15480b45.manifest
File versionNot applicable
File size1,084
Date (UTC)07-Nov-2012
Time (UTC)09:46
PlatformNot applicable
File nameIa64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7600.21363_none_39e85833eb4af413.manifest
File versionNot applicable
File size10,426
Date (UTC)07-Nov-2012
Time (UTC)06:18
PlatformNot applicable
File nameIa64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7601.22154_none_3bda856fe8685d65.manifest
File versionNot applicable
File size10,426
Date (UTC)07-Nov-2012
Time (UTC)06:30
PlatformNot applicable
File nameWow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7600.21363_none_a059fa13d80b1e48.manifest
File versionNot applicable
File size10,426
Date (UTC)07-Nov-2012
Time (UTC)05:17
PlatformNot applicable
File nameWow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.1.7601.22154_none_a24c274fd528879a.manifest
File versionNot applicable
File size10,426
Date (UTC)07-Nov-2012
Time (UTC)06:46
PlatformNot applicable
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Applies to
  • Windows Server 2008 R2 Service Pack 1
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseadvanced kbsurveynew KB2778831
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