FIX: Error in Excel when you open a customized Team Foundation Server work item type: "F80070: Team Foundation Server encountered an error while performing an operation"


Consider the following scenario:
  • A team project on a Microsoft Team Foundation Server contains an extensively customized work item type.
  • In Microsoft Excel, you click New List on the Team menu, and then you connect to the team project.
  • You select the customized work item type, and then you click OK.
In this scenario, you intermittently receive the following error message:
TF80070: Team Foundation Server encountered an error while performing an operation. It is recommended that you save your work and restart the application.


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.

To download this hotfix from the MSDN Code Gallery, visit the following Microsoft Web site:

Note The MSDN Code Gallery displays the languages for which the hotfix is available. If you do not see your language listed, it is because the Code Gallery resource page is not available for that language.

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:


To apply this hotfix, you must have Microsoft Visual Studio Team System 2008 Team Explorer Service Pack 1 (SP1) installed on the server.

Note You should only install this client hotfix when you have Team Explorer 2008 SP1 installed on the Team Foundation Server.

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.
File nameFile versionFile sizeDateTimePlatform


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

문서 ID: 974804 - 마지막 검토: 2011. 10. 7. - 수정: 1