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Connection times out when you try to connect to SQL Server in Windows 7 or Windows Server 2008 R2

View products that this article applies to.

Symptoms


Assume that you have SQL Server Management Studio installed on a Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1-based computer. When you try to connect to SQL Server, you notice that the connection times out intermittently in the pre-login phase.

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Cause

This issue occurs because there is a problem in Windows 7 and Windows Server 2008 R2 when it is accepting connections.

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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
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 be running Windows 7 SP1 or Windows Server 2008 R2 SP1.

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to 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 7 and Windows Server 2008 R2 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:
    VersionProductMilestoneService branch
    6.1.760
    1.22xxx    		Windows 7 and Windows Server 2008 R2SP1LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and Windows Server 2008 R2" section. 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, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
File nameFile versionFile sizeDateTimePlatform
Afd.sys6.1.7601.22586338,94431-Jan-201400:57x86
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Afd.sys6.1.7601.22586496,64031-Jan-201401:14x64
For all supported IA64-based versions of Windows 7 and Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Afd.sys6.1.7601.225861,115,13631-Jan-201400:47IA-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.

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More Information

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

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
File propertyValue
File nameX86_2231db9fe35f7664c22bd9f8eb5a7a8f_31bf3856ad364e35_6.1.7601.22586_none_16ab9803da4fa449.manifest
File versionNot applicable
File size700
Date (UTC)31-Jan-2014
Time (UTC)08:08
File nameX86_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.22586_none_da2f81bad603eae4.manifest
File versionNot applicable
File size73,506
Date (UTC)31-Jan-2014
Time (UTC)02:33
Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File propertyValue
File nameAmd64_2e610e320d3f4cf3027ba821e44a50b8_31bf3856ad364e35_6.1.7601.22586_none_7be2c627fe44a6be.manifest
File versionNot applicable
File size704
Date (UTC)31-Jan-2014
Time (UTC)08:08
File nameAmd64_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.22586_none_364e1d3e8e615c1a.manifest
File versionNot applicable
File size73,510
Date (UTC)31-Jan-2014
Time (UTC)03:11
Additional files for all supported IA64-based versions of Windows 7 and Windows Server 2008 R2
File propertyValue
File nameIa64_f87ecaecae02d13347ebe567d56f3727_31bf3856ad364e35_6.1.7601.22586_none_b8ac03f337b1e6c7.manifest
File versionNot applicable
File size702
Date (UTC)31-Jan-2014
Time (UTC)08:08
File nameIa64_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.22586_none_da3125b0d601f3e0.manifest
File versionNot applicable
File size73,508
Date (UTC)31-Jan-2014
Time (UTC)02:19

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Keywords: kb, kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbsurveynew, kbexpertiseadvanced

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Article Info
Article ID : 2927422
Revision : 1
Created on : 1/7/2017
Published on : 3/11/2014
Exists online : False
Views : 130