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Consider the following scenario:

  • You open a Microsoft Office Excel worksheet that connects to a Microsoft Visual Studio Team Foundation Server 2010 (TFS 2010) server.

  • You manage a TFS 2010 work item list in the worksheet.

  • The worksheet contains a macro or Automation.

  • You refresh the work item list.

In this scenario, you might experience slow performance.


This issue occurs because of an error in the add-in for the TFS work item. When you refresh the TFS work item list, the add-in for the TFS work item sorts the Excel rows by their associated work item IDs. When the add-in for the work item sorts the corresponding rows, it assigns a temporary sorting value to the ID column of each row, one at a time. In this case, the add-in for the work item makes calls to a particular Excel COM API many times. Therefore, the recalculation operation of the worksheet is triggered, and the worksheet may be repainted.


Hotfix information

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

To resolve this problem immediately, 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: 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.


To apply this hotfix, you must have Microsoft Visual Studio 2010 Service Pack 1 (SP1) installed.

Restart requirement

You do not have to 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 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 Visual Studio 2010 SP1

File name

File version

File size










More Information

For more information about how to create, open, and modify work items in Excel, go to the following MSDN website:

How to create, open, and modify work items in Excel


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

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