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"The custom form could not be opened Outlook will use an Outlook form instead" error message when you use the Outlook 2000 object model to reference an item that requires a custom form

Symptoms
If you use the Outlook object model to reference an item that requires a custom form, you may receive the following error message:
The custom form could not be opened Outlook will use an Outlook form instead.
This may prevent the completion of your program.

This error can also occur if the item uses a custom form written in C++ and that form does not implement IDispatch. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
244764 MAPI forms need IDispatch Interfaces to be implemented
Resolution
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 How to obtain and install Microsoft Office 2000 Service Release 1/1a (SR-1/SR-1a)
The SR-1 update suppresses the warning message and loads the default form so that your program can continue.
Status
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.
OL2K ActiveExplorer.Selection programming code object model
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.
Properties

Article ID: 251415 - Last Review: 06/19/2014 07:00:00 - Revision: 1.0

  • Microsoft Outlook 2000 Standard Edition
  • kbbug kbfix KB251415
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