Open Software Solutions

Consider the following scenario:

•	You have a computer that is running Windows Server 2008.
•	Some Volume Shadow Copy Service (VSS) hardware providers are installed on the computer.
•	You use the Windows Server Backup tool or the Wbadmin.exe command-line tool to perform a backup on a computer.

In this scenario, the backup operation fails.

If you use the Wbadmin.exe command-line tool to perform the backup, you receive the following error message when this problem occurs:

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This problem occurs because the Windows Backup VSS Requestor incorrectly uses the VSS hardware provider instead of the VSS software provider that is provided by the system.

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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 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:

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

To apply this hotfix, you must have Windows Server Backup Features installed.

Restart requirement

You do not 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 Vista and Windows Server 2008 file information notes

•	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. Version Product Milestone Service branch 6.0.6000.20xxx Windows Vista RTM LDR 6.0.6001.22xxx Windows Vista SP1 and Windows Server 2008 SP1 SP1 LDR
•	Service Pack 1 is integrated into Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxxx version number.
•	The MANIFEST files (.manifest) and MUM files (.mum) installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows Server 2008

File name	File version	File size	Date	Time	Platform
Spp.dll	6.0.6001.22226	142,336	22-Jul-2008	06:33	x86
Sxproxy.dll	6.0.6001.22226	28,160	22-Jul-2008	06:33	x86

For all supported x64-based versions of Windows Server 2008

File name	File version	File size	Date	Time	Platform
Spp.dll	6.0.6001.22226	188,928	22-Jul-2008	07:53	x64
Sxproxy.dll	6.0.6001.22226	59,904	22-Jul-2008	07:53	x64
Spp.dll	6.0.6001.22226	142,336	22-Jul-2008	06:33	x86
Sxproxy.dll	6.0.6001.22226	28,160	22-Jul-2008	06:33	x86

For all supported Itanium-based versions of Windows Server 2008

File name	File version	File size	Date	Time	Platform
Spp.dll	6.0.6001.22226	392,704	22-Jul-2008	06:25	IA-64
Sxproxy.dll	6.0.6001.22226	70,656	22-Jul-2008	06:26	IA-64

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008

File name	Package_1_for_kb955687~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	2,514
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_2_for_kb955687~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,947
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_3_for_kb955687~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,752
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,565
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_client~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,430
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,392
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_sc~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,422
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,591
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_server~31bf3856ad364e35~x86~~6.0.1.0.mum
File version	Not Applicable
File size	1,430
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	X86_7177f46ab3d148bd989be3d4d0a84676_31bf3856ad364e35_6.0.6001.22226_none_76067b140cc290db.manifest
File version	Not Applicable
File size	696
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	X86_microsoft-windows-spp-main_31bf3856ad364e35_6.0.6001.22226_none_e4c0f756c6053cea.manifest
File version	Not Applicable
File size	48,756
Date (UTC)	22-Jul-2008
Time (UTC)	09:34
Platform	Not Applicable

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

File name	Amd64_68e955e0ec7fb8faf2ce9a9101ec9461_31bf3856ad364e35_6.0.6001.22226_none_7fbd7a83e1368740.manifest
File version	Not Applicable
File size	700
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Amd64_7177f46ab3d148bd989be3d4d0a84676_31bf3856ad364e35_6.0.6001.22226_none_d2251697c5200211.manifest
File version	Not Applicable
File size	698
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Amd64_microsoft-windows-spp-main_31bf3856ad364e35_6.0.6001.22226_none_40df92da7e62ae20.manifest
File version	Not Applicable
File size	48,778
Date (UTC)	22-Jul-2008
Time (UTC)	10:26
Platform	Not Applicable
File name	Package_1_for_kb955687~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	2,532
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_2_for_kb955687~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,934
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_3_for_kb955687~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,959
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_4_for_kb955687~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,762
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	2,015
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_client~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,438
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,400
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,431
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,601
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_server~31bf3856ad364e35~amd64~~6.0.1.0.mum
File version	Not Applicable
File size	1,439
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	X86_microsoft-windows-spp-main_31bf3856ad364e35_6.0.6001.22226_none_e4c0f756c6053cea.manifest
File version	Not Applicable
File size	48,756
Date (UTC)	22-Jul-2008
Time (UTC)	09:34
Platform	Not Applicable

Additional files for all supported Itanium-based versions of Windows Server 2008

File name	Ia64_3e39f5bbbd26297102e660760d894ee1_31bf3856ad364e35_6.0.6001.22226_none_cf5fad1b33571d44.manifest
File version	Not Applicable
File size	698
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Ia64_microsoft-windows-spp-main_31bf3856ad364e35_6.0.6001.22226_none_e4c29b4cc60345e6.manifest
File version	Not Applicable
File size	48,767
Date (UTC)	22-Jul-2008
Time (UTC)	09:33
Platform	Not Applicable
File name	Package_1_for_kb955687~31bf3856ad364e35~ia64~~6.0.1.0.mum
File version	Not Applicable
File size	1,953
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File version	Not Applicable
File size	1,596
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable
File name	Package_for_kb955687_server~31bf3856ad364e35~ia64~~6.0.1.0.mum
File version	Not Applicable
File size	1,434
Date (UTC)	22-Jul-2008
Time (UTC)	17:39
Platform	Not Applicable

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

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After you apply this hotfix, Windows Server Backup will work only with the system software provider. Windows Server Backup will not work with any vendor-supplied software or hardware providers.

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

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