Microsoft KB Archive/276380

= BUG: ADO 2.0 Reference Cannot Be Saved in Visual Basic 6.0 with Visual Studio Service Pack 4 =

Article ID: 276380

Article Last Modified on 8/7/2007

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APPLIES TO

 Microsoft Visual Studio 6.0 Service Pack 4, when used with:  Microsoft Visual Basic 6.0 Professional Edition

 Microsoft Visual Basic 6.0 Enterprise Edition 

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This article was previously published under Q276380



SYMPTOMS
In Visual Basic 6.0, with the Visual Studio 6.0 Service Pack 4 installed, a reference to the Microsoft ActiveX Data Objects (ADO) 2.0 Library (msado20.tlb) cannot be saved. Instead, the reference is automatically upgraded to Microsoft ActiveX Data Objects (ADO) 2.5 Library (msado15.dll) when the project is re-opened.



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

This bug was corrected in Visual Studio 6.0 Service Pack 5. For additional information about Visual Studio service packs, click the following article numbers to view the articles in the Microsoft Knowledge Base:

194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

194295 HOWTO: Tell That a Visual Studio Service Pack Is Installed

To download the latest Visual Studio service pack, visit the following Microsoft Web site:

http://msdn2.microsoft.com/en-us/vstudio/Aa718353.aspx



Steps to Reproduce Behavior

 * 1) Create a new Standard EXE project in Visual Basic. Form1 is created by default.
 * 2) On the Project menu, click References, and then select Microsoft ActiveX Data Objects 2.0 Library. This associates msado20.tlb with the project.
 * 3) Save and close the project.
 * 4) Re-open the project.
 * 5) On the Project menu, click References, and note that Microsoft ActiveX Data Objects 2.5 Library (msado15.dll) is now selected.

NOTE: If a project uses or references the adodc control (msadodc.ocx) or the data environment designer (msderun.dll), then the upgrade from ADO 2.0 to ADO 2.5 is done automatically because both of these components require ADO 2.5.

Keywords: kbbug kbpending KB276380

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