Microsoft KB Archive/249965

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Knowledge Base

Article ID: 249965

Article Last Modified on 10/9/2003


  • Microsoft Outlook 2000 Standard Edition

This article was previously published under Q249965


When you try to open a form with Microsoft Outlook 2000 on a computer that is running Microsoft Windows NT 4.0, Terminal Server Edition, you may receive one of the following error messages:

The form you selected could not be displayed. The form required to view this message cannot be displayed. Contact your administrator.

Can't open this element. Can't display the form. Contact your administrator.


A form is registered by the user (User1) who uses Outlook 2000 first with a specific Class ID (CLSID). Under this CLSID, the form also stores a path to the cached file for User1 under the formstg registry key. If another user (User2) accesses the form, the same CLSID is used, and User2 tries to open the cached file in the folder of User1. In a locked-down system or when another other user is currently accessing the file, you get the preceding error message.


To resolve this problem, obtain Microsoft Office 2000 Service Release 1/1a (SR-1/SR-1a).

To obtain SR-1/SR-1a, click the article number below to view the article in the Microsoft Knowledge Base:

245025 OFF2000: How to Obtain and Install Microsoft Office 2000 Service Release 1/1a (SR-1/SR-1a)

By setting a registry key, which is available in Microsoft Office 2000 Service Release 1 (SR1), Outlook 2000 creates the formstg registry key that contains the path to the cached file in the user-specific area of the registry under HKEY_CURRENT_USER\CLSID. So each user uses his or her own cached file.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was corrected in Microsoft Office 2000 SR-1/SR-1a.


WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To enable the fix, you must first install Office SR1. After you do so, you must set the following registry key:

  1. Start Registry Editor (Regedt32.exe).
  2. Locate the following key in the registry:


  3. On the Edit menu, click Add Value, and then add the following registry value:

    Value Name: FormTSFix
    Data Type: REG_DWORD
    Value: 1

  4. Quit Registry Editor.

Keywords: kbbug kbfix kbqfe KB249965