Symptoms

Consider the following scenario:

  • You install Microsoft SQL Server 2008 on a computer that is running Windows Server 2008 R2 or Windows 7.

  • You enable the FILESTREAM feature in SQL Server 2008.

  • You run an ADO.NET Framework application to remotely perform read or write operations on FILESTREAM data in SQL Server 2008.

  • You run these operations from a computer that is not running Windows Server 2008 R2 or not running Windows 7.

In this scenario, you receive the following error message:

Either a required impersonation level was not provided, or the provided impersonation level is invalid.


Note This problem does not occur when you run the same operations from a computer that is running Windows Server 2008 R2 or that is running Windows 7.

More Information

Hotfix information


A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

You must have Microsoft .NET Framework 2.0 SP2 or Microsoft .NET Framework 3.5 SP1 installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you install the hotfix if the affected files are not being used.

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.

For all supported x86-based versions of Windows Server 2003 and Windows XP


File name

File version

File size

Date

Time

Platform

System.data.dll

2.0.50727.4461

2,934,272

02-Jul-2010

05:40

x86


For all supported x64-based versions of Windows Server 2003 and Windows XP


File name

File version

File size

Date

Time

Platform

System.data.dll

2.0.50727.4461

3,009,024

02-Jul-2010

00:56

x64


For all supported IA-64-based versions of Windows Server 2003 and Windows XP


File name

File version

File size

Date

Time

Platform

System.data.dll

2.0.50727.4461

3,234,816

02-Jul-2010

02:32

IA-64


For all supported x86-based versions of Windows Vista SP2 and Windows Server 2008 SP2


File name

File version

File size

Date

Time

Platform

System.data.dll

2.0.50727.4462

2,934,272

13-Jul-2010

10:54

x86


For all supported x64-based versions of Windows Vista SP2 and Windows Server 2008 SP2


File name

File version

File size

Date

Time

Platform

System.data.dll

2.0.50727.4462

3,009,024

13-Jul-2010

10:55

x64


For all supported IA-64-based versions of Windows Server 2008 SP2


File name

File version

File size

Date

Time

Platform

System.data.dll

2.0.50727.4462

3,234,816

13-Jul-2010

10:53

IA-64


Additional file information for all supported x86-based versions of Windows Vista SP2 and Windows Server 2008 SP2


File name

X86_system.data_b77a5c561934e089_6.0.6002.22446_none_7da828e3ce25d4cb.manifest

File version

Not Applicable

File size

8,681

Date (UTC)

14-Jul-2010

Time (UTC)

19:41


Additional file information for all supported x64-based versions of Windows Vista SP2 and Windows Server 2008 SP2


File name

Amd64_system.data_b77a5c561934e089_6.0.6002.22446_none_35faf20cb9a9abc5.manifest

File version

Not Applicable

File size

10,619

Date (UTC)

14-Jul-2010

Time (UTC)

19:46

File name

X86_system.data_b77a5c561934e089_6.0.6002.22446_none_7da828e3ce25d4cb.manifest

File version

Not Applicable

File size

8,681

Date (UTC)

14-Jul-2010

Time (UTC)

19:41


Additional file information for all supported IA-64-based version of Windows Server 2008 SP2


File name

Ia64_system.data_b77a5c561934e089_6.0.6002.22446_none_7da806a5ce260caf.manifest

File version

Not Applicable

File size

10,596

Date (UTC)

14-Jul-2010

Time (UTC)

15:59

File name

X86_system.data_b77a5c561934e089_6.0.6002.22446_none_7da828e3ce25d4cb.manifest

File version

Not Applicable

File size

8,681

Date (UTC)

14-Jul-2010

Time (UTC)

19:41



Status

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

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