Introduction

This article describes a hotfix for Microsoft SQL Server 2012 that resolves a performance issue that may occur when you use systems that have more than 32 logical processors in high-transaction environments.

Resolution

Cumulative update information

Cumulative Update 7 for SQL Server 2012



The fix for this issue was first released in Cumulative Update 7. For more information about how to obtain this cumulative update package for SQL Server 2012, click the following article number to view the article in the Microsoft Knowledge Base:

2823247 Cumulative update package 7 for SQL Server 2012Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2692828 The SQL Server 2012 builds that were released after SQL Server 2012 was released

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.

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, submit a request to 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=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 have SQL Server 2012 installed.

Restart requirement

You do not have to restart the computer after you apply the hotfix.

File information

The global 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 SQL Server 2012

File name

File version

File size

Date

Time

Platform

Datacollectorcontroller.dll

2011.110.2386.0

159,728

07-

04:40

x86

Eng_re_sqlaccess_dll.32

2011.110.2386.0

441,856

07-

04:39

x86

Keyfile.dll

2011.110.2386.0

23,536

07-

04:36

x86

Microsoft.sqlserver.xevent.linq.dll

2011.110.2386.0

347,120

07-

04:41

x86

Rsfxft.dll

2011.110.2386.0

31,232

07-

04:43

x86

Sqagtres.dll

2011.110.2386.0

53,232

07-

04:35

x86

Sqlagent.dll

2011.110.2386.0

444,928

07-

04:45

x86

Sqlatxss.dll

2011.110.2386.0

40,448

07-

04:41

x86

Sqlboot.dll

2011.110.2386.0

161,264

07-

04:35

x86

Sqldk.dll

2011.110.2386.0

1,641,968

07-

04:35

x86

Sqllang.dll

2011.110.2386.0

26,009,072

07-

04:35

x86

Sqlmin.dll

2011.110.2386.0

26,514,928

07-

04:35

x86

Sqlos.dll

2011.110.2386.0

24,576

07-

04:43

x86

Sqlscriptdowngrade.dll

2011.110.2386.0

24,064

07-

04:35

x86

Sqlscriptupgrade.dll

2011.110.2386.0

5,482,992

07-

04:40

x86

Sqlservr.exe

2011.110.2386.0

160,256

07-

04:45

x86

Sqltses.dll

2011.110.2386.0

8,154,112

07-

04:35

x86

For all supported x64-based versions of SQL Server 2012

File name

File version

File size

Date

Time

Platform

Datacollectorcontroller.dll

2011.110.2386.0

255,472

07-

04:48

x64

Eng_re_sqlaccess_dll.64

2011.110.2386.0

448,496

07-

04:51

x64

Keyfile.dll

2011.110.2386.0

23,552

07-

04:48

x64

Microsoft.sqlserver.xevent.linq.dll

2011.110.2386.0

419,840

07-

04:52

x64

Rsfxft.dll

2011.110.2386.0

35,824

07-

04:35

x64

Sqagtres.dll

2011.110.2386.0

61,424

07-

04:36

x64

Sqlagent.dll

2011.110.2386.0

608,240

07-

04:49

x64

Sqlatxss.dll

2011.110.2386.0

46,576

07-

04:48

x64

Sqlboot.dll

2011.110.2386.0

168,936

07-

04:36

x64

Sqldk.dll

2011.110.2386.0

2,014,184

07-

04:36

x64

Sqllang.dll

2011.110.2386.0

33,969,136

07-

04:36

x64

Sqlmin.dll

2011.110.2386.0

32,457,712

07-

04:36

x64

Sqlos.dll

2011.110.2386.0

25,584

07-

04:35

x64

Sqlscriptdowngrade.dll

2011.110.2386.0

25,072

07-

04:36

x64

Sqlscriptupgrade.dll

2011.110.2386.0

5,481,968

07-

04:36

x64

Sqlservr.exe

2011.110.2386.0

190,960

07-

04:49

x64

Sqltses.dll

2011.110.2386.0

8,923,632

07-

04:36

x64

Status

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

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Any additional feedback? (Optional)

Thank you for your feedback!

×