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Article ID: 923845 - Last Review: November 29, 2010 - Revision: 4.0

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SUMMARY

This article contains information about the update package for Background Intelligent Transfer Service (BITS). The article describes the following topics:
  • New features and improvements in BITS 2.5
  • How to download and install the update for BITS
  • How to remove the update package for BITS
  • How to verify that the update package for BITS is installed

INTRODUCTION

An update package for BITS is now available for Microsoft Windows Server 2003 and for Microsoft Windows XP. This update package updates the current version of BITS to 2.5. The update is a required component for Microsoft System Center Configuration Manager 2007 and for Microsoft Security Essentials. The new features of BITS 2.5 help improve security. If you use BITS to transfer data, the new features also improve flexibility.

MORE INFORMATION

New features and improvements in BITS 2.5

BITS 2.5 transfers files between a client and a server. BITS 2.5 also returns to the client progress information about file upload operations and about file download operations. BITS 2.5 provides the following features in addition to the BITS 2.0 feature set:
  • Support for custom HTTP headers.
  • Support for certificate-based client authentication to help secure HTTP transports.
  • Support for Internet Protocol version 6 (IPv6).
  • Improved upload performance.
BITS 2.5 provides a set of application program interfaces (APIs) so that developers can access the new functionality. For more information about the new API in BITS 2.5, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/aa363167.aspx (http://msdn2.microsoft.com/en-us/library/aa363167.aspx)

Update information

The following files are available for download from the Microsoft Download Center:

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Download
Download the Background Intelligent Transfer Service (BITS) 2.5 for Windows XP (KB923845) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=A064BF14-E54C-4E8C-85E7-1E3BE1628B2D)

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Download
Download the Background Intelligent Transfer Service (BITS) 2.5 for Windows XP x64 Edition (KB923845) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=B8AE244A-BCBD-4E38-90EF-772859ED233C)

Collapse this imageExpand this image
Download
Download the Background Intelligent Transfer Service (BITS) 2.5 for Windows Server 2003 (KB923845) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=25490249-F820-4AD9-8F38-313D8982D6FA)

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Download
Download the Background Intelligent Transfer Service (BITS) 2.5 for Windows Server 2003 for Itanium-based Systems (KB923845) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=43430322-26EF-4C68-A6C9-3E836E899DDC)

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Download
Download the Background Intelligent Transfer Service (BITS) 2.5 for Windows Server 2003 x64 Edition (KB923845) package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=4D160634-CA5E-4EAD-8154-7DAC7625E701)

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  (http://support.microsoft.com/kb/119591/ ) How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Note If you have disabled the BITS service, it is automatically enabled when you install BITS 2.5.

How to remove the update package for BITS

To remove the update package after you install it on a computer that is running Windows XP, follow these steps:
  1. Click Start, click Run, type appwiz.cpl, and then click OK.
  2. Double-click Add or Remove Programs.
  3. In the list of currently installed programs, click Update for Windows XP (KB923845), and then click Remove.
  4. Follow the instructions to remove the update package from the computer.
  5. Restart the computer.
To remove the update package after you install it on a computer that is running Windows Server 2003, follow these steps:
  1. Click Start, click Run, type appwiz.cpl, and then click OK.
  2. Double-click Add or Remove Programs.
  3. In the list of currently installed programs, click Update for Windows Server 2003 (KB923845), and then click Remove.
  4. Follow the instructions to remove the update package from the computer.
  5. Restart the computer.
An administrator can also use the Spunist.exe utility to remove this update package. The Spuninst.exe program file is in the %windir%\$NTUninstallKB923845$\Spuninst folder.

How to verify that the update package for BITS is installed

To verify that the update package for BITS is installed, compare the files on the computer with the following 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

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Bitsinst.exe6.7.3790.294328,67224-May-200714:35x86SP1SP1GDR
Bitsprx2.dll6.7.3790.29438,19225-May-200716:43x86SP1SP1GDR
Bitsprx3.dll6.7.3790.29437,16825-May-200716:43x86SP1SP1GDR
Bitsprx4.dll6.7.3790.29437,16825-May-200716:43x86SP1SP1GDR
Qmgr.dll6.7.3790.2943406,52825-May-200716:43x86SP1SP1GDR
Qmgrprxy.dll6.7.3790.294319,45625-May-200716:43x86SP1SP1GDR
Bitsinst.exe6.7.3790.294328,67224-May-200716:26x86SP1SP1QFE
Bitsprx2.dll6.7.3790.29438,19225-May-200717:08x86SP1SP1QFE
Bitsprx3.dll6.7.3790.29437,16825-May-200717:08x86SP1SP1QFE
Bitsprx4.dll6.7.3790.29437,16825-May-200717:08x86SP1SP1QFE
Qmgr.dll6.7.3790.2943406,52825-May-200717:08x86SP1SP1QFE
Qmgrprxy.dll6.7.3790.294319,45625-May-200717:08x86SP1SP1QFE
Bitsinst.exe6.7.3790.408828,67225-May-200711:54x86SP2SP2GDR
Bitsprx2.dll6.7.3790.40888,19225-May-200718:14x86SP2SP2GDR
Bitsprx3.dll6.7.3790.40887,16825-May-200718:14x86SP2SP2GDR
Bitsprx4.dll6.7.3790.40887,16825-May-200718:14x86SP2SP2GDR
Qmgr.dll6.7.3790.4088406,52825-May-200718:14x86SP2SP2GDR
Qmgrprxy.dll6.7.3790.408819,45625-May-200718:14x86SP2SP2GDR
Bitsinst.exe6.7.3790.408828,67225-May-200712:12x86SP2SP2QFE
Bitsprx2.dll6.7.3790.40888,19225-May-200717:35x86SP2SP2QFE
Bitsprx3.dll6.7.3790.40887,16825-May-200717:35x86SP2SP2QFE
Bitsprx4.dll6.7.3790.40887,16825-May-200717:35x86SP2SP2QFE
Qmgr.dll6.7.3790.4088406,52825-May-200717:35x86SP2SP2QFE
Qmgrprxy.dll6.7.3790.408819,45625-May-200717:35x86SP2SP2QFE

Windows Server 2003, x64-based versions

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Bitsinst.exe6.7.3790.294441,47229-May-200702:58x64SP1SP1GDR
Bitsprx2.dll6.7.3790.294410,24029-May-200702:58x64SP1SP1GDR
Bitsprx3.dll6.7.3790.29449,72829-May-200702:58x64SP1SP1GDR
Bitsprx4.dll6.7.3790.29448,70429-May-200702:58x64SP1SP1GDR
Qmgr.dll6.7.3790.2944761,34429-May-200702:58x64SP1SP1GDR
Qmgrprxy.dll6.7.3790.294424,57629-May-200702:58x64SP1SP1GDR
Wbitsprx2.dll6.7.3790.29448,19229-May-200702:58x86NoneWOW
Wbitsprx3.dll6.7.3790.29447,16829-May-200702:58x86NoneWOW
Wbitsprx4.dll6.7.3790.29447,16829-May-200702:58x86NoneWOW
Wqmgrprxy.dll6.7.3790.294419,45629-May-200702:58x86NoneWOW
Bitsinst.exe6.7.3790.294441,47229-May-200702:58x64SP1SP1QFE
Bitsprx2.dll6.7.3790.294410,24029-May-200702:58x64SP1SP1QFE
Bitsprx3.dll6.7.3790.29449,72829-May-200702:58x64SP1SP1QFE
Bitsprx4.dll6.7.3790.29448,70429-May-200702:58x64SP1SP1QFE
Qmgr.dll6.7.3790.2944761,34429-May-200702:58x64SP1SP1QFE
Qmgrprxy.dll6.7.3790.294424,57629-May-200702:58x64SP1SP1QFE
Wbitsprx2.dll6.7.3790.29448,19229-May-200702:58x86NoneWOW
Wbitsprx3.dll6.7.3790.29447,16829-May-200702:58x86NoneWOW
Wbitsprx4.dll6.7.3790.29447,16829-May-200702:58x86NoneWOW
Wqmgrprxy.dll6.7.3790.294419,45629-May-200702:58x86NoneWOW
Bitsinst.exe6.7.3790.408941,47229-May-200703:02x64SP2SP2GDR
Bitsprx2.dll6.7.3790.408910,24029-May-200703:02x64SP2SP2GDR
Bitsprx3.dll6.7.3790.40899,72829-May-200703:02x64SP2SP2GDR
Bitsprx4.dll6.7.3790.40898,70429-May-200703:02x64SP2SP2GDR
Qmgr.dll6.7.3790.4089761,34429-May-200703:02x64SP2SP2GDR
Qmgrprxy.dll6.7.3790.408924,57629-May-200703:02x64SP2SP2GDR
Wbitsprx2.dll6.7.3790.40898,19229-May-200703:02x86NoneWOW
Wbitsprx3.dll6.7.3790.40897,16829-May-200703:02x86NoneWOW
Wbitsprx4.dll6.7.3790.40897,16829-May-200703:02x86NoneWOW
Wqmgrprxy.dll6.7.3790.408919,45629-May-200703:02x86NoneWOW
Bitsinst.exe6.7.3790.408941,47229-May-200702:59x64SP2SP2QFE
Bitsprx2.dll6.7.3790.408910,24029-May-200702:59x64SP2SP2QFE
Bitsprx3.dll6.7.3790.40899,72829-May-200702:59x64SP2SP2QFE
Bitsprx4.dll6.7.3790.40898,70429-May-200702:59x64SP2SP2QFE
Qmgr.dll6.7.3790.4089761,34429-May-200702:59x64SP2SP2QFE
Qmgrprxy.dll6.7.3790.408924,57629-May-200702:59x64SP2SP2QFE
Wbitsprx2.dll6.7.3790.40898,19229-May-200702:59x86NoneWOW
Wbitsprx3.dll6.7.3790.40897,16829-May-200702:59x86NoneWOW
Wbitsprx4.dll6.7.3790.40897,16829-May-200702:59x86NoneWOW
Wqmgrprxy.dll6.7.3790.408919,45629-May-200702:59x86NoneWOW

Windows Server 2003, Itanium-based versions

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Bitsinst.exe6.7.3790.294369,12025-May-200704:27IA-64SP1SP1GDR
Bitsprx2.dll6.7.3790.294316,89625-May-200704:27IA-64SP1SP1GDR
Bitsprx3.dll6.7.3790.294314,33625-May-200704:27IA-64SP1SP1GDR
Bitsprx4.dll6.7.3790.294313,82425-May-200704:27IA-64SP1SP1GDR
Qmgr.dll6.7.3790.29431,355,77625-May-200704:27IA-64SP1SP1GDR
Qmgrprxy.dll6.7.3790.294334,81625-May-200704:27IA-64SP1SP1GDR
Wbitsprx2.dll6.7.3790.29438,19225-May-200704:27x86NoneWOW
Wbitsprx3.dll6.7.3790.29437,16825-May-200704:27x86NoneWOW
Wbitsprx4.dll6.7.3790.29437,16825-May-200704:27x86NoneWOW
Wqmgrprxy.dll6.7.3790.294319,45625-May-200704:27x86NoneWOW
Bitsinst.exe6.7.3790.294369,12025-May-200704:28IA-64SP1SP1QFE
Bitsprx2.dll6.7.3790.294316,89625-May-200704:28IA-64SP1SP1QFE
Bitsprx3.dll6.7.3790.294314,33625-May-200704:28IA-64SP1SP1QFE
Bitsprx4.dll6.7.3790.294313,82425-May-200704:28IA-64SP1SP1QFE
Qmgr.dll6.7.3790.29431,355,77625-May-200704:28IA-64SP1SP1QFE
Qmgrprxy.dll6.7.3790.294334,81625-May-200704:28IA-64SP1SP1QFE
Wbitsprx2.dll6.7.3790.29438,19225-May-200704:28x86NoneWOW
Wbitsprx3.dll6.7.3790.29437,16825-May-200704:28x86NoneWOW
Wbitsprx4.dll6.7.3790.29437,16825-May-200704:28x86NoneWOW
Wqmgrprxy.dll6.7.3790.294319,45625-May-200704:28x86NoneWOW
Bitsinst.exe6.7.3790.408869,12025-May-200704:31IA-64SP2SP2GDR
Bitsprx2.dll6.7.3790.408816,89625-May-200704:31IA-64SP2SP2GDR
Bitsprx3.dll6.7.3790.408814,33625-May-200704:31IA-64SP2SP2GDR
Bitsprx4.dll6.7.3790.408813,82425-May-200704:31IA-64SP2SP2GDR
Qmgr.dll6.7.3790.40881,355,77625-May-200704:31IA-64SP2SP2GDR
Qmgrprxy.dll6.7.3790.408834,81625-May-200704:31IA-64SP2SP2GDR
Wbitsprx2.dll6.7.3790.40888,19225-May-200704:31x86NoneWOW
Wbitsprx3.dll6.7.3790.40887,16825-May-200704:31x86NoneWOW
Wbitsprx4.dll6.7.3790.40887,16825-May-200704:31x86NoneWOW
Wqmgrprxy.dll6.7.3790.408819,45625-May-200704:31x86NoneWOW
Bitsinst.exe6.7.3790.408869,12025-May-200704:27IA-64SP2SP2QFE
Bitsprx2.dll6.7.3790.408816,89625-May-200704:27IA-64SP2SP2QFE
Bitsprx3.dll6.7.3790.408814,33625-May-200704:27IA-64SP2SP2QFE
Bitsprx4.dll6.7.3790.408813,82425-May-200704:27IA-64SP2SP2QFE
Qmgr.dll6.7.3790.40881,355,77625-May-200704:27IA-64SP2SP2QFE
Qmgrprxy.dll6.7.3790.408834,81625-May-200704:27IA-64SP2SP2QFE
Wbitsprx2.dll6.7.3790.40888,19225-May-200704:27x86NoneWOW
Wbitsprx3.dll6.7.3790.40887,16825-May-200704:27x86NoneWOW
Wbitsprx4.dll6.7.3790.40887,16825-May-200704:27x86NoneWOW
Wqmgrprxy.dll6.7.3790.408819,45625-May-200704:27x86NoneWOW

Windows XP

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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Bitsinst.exe6.7.2600.314328,67224-May-200710:56x86SP2SP2GDR
Bitsprx2.dll6.7.2600.31438,19224-May-200713:20x86SP2SP2GDR
Bitsprx3.dll6.7.2600.31437,16824-May-200713:20x86SP2SP2GDR
Bitsprx4.dll6.7.2600.31437,16824-May-200713:20x86SP2SP2GDR
Qmgr.dll6.7.2600.3143408,06424-May-200713:20x86SP2SP2GDR
Qmgrprxy.dll6.7.2600.314318,94424-May-200713:20x86SP2SP2GDR
Bitsinst.exe6.7.2600.314326,62424-May-200710:53x86SP2SP2QFE
Bitsprx2.dll6.7.2600.31438,19224-May-200713:10x86SP2SP2QFE
Bitsprx3.dll6.7.2600.31437,16824-May-200713:10x86SP2SP2QFE
Bitsprx4.dll6.7.2600.31437,16824-May-200713:10x86SP2SP2QFE
Qmgr.dll6.7.2600.3143408,06424-May-200713:10x86SP2SP2QFE
Qmgrprxy.dll6.7.2600.314318,94424-May-200713:10x86SP2SP2QFE
You can also use the following registry subkey to verify that the update package is installed. To do this, follow these steps.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore 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
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Hotfix\KB923845
    If the update package is installed, this subkey contains the Installed registry entry. The value of this registry entry is 1.

REFERENCES

For more information about BITS, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/aa362827.aspx (http://msdn2.microsoft.com/en-us/library/aa362827.aspx)

APPLIES TO
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Professional x64 Edition
Keywords: 
kbinfo atdownload KB923845
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