BUG: Converting Access97 MDB to Access 2000 Format Using DAO 3.6 (243252)


The information in this article applies to:

  • Microsoft Visual Basic Enterprise Edition for Windows 6.0
This article was previously published under Q243252

SYMPTOMS

If you convert an Access97 (Jet 3.5) database to Access 2000 (Jet 4.0) format using DAO 3.6 and then attempt to open it with Access 2000, a "Convert Database" dialog box appears. This dialog box is misleading because the database is in JET 4.0 format.

RESOLUTION

Although Access 2000 displays a dialog box indicating that the database needs to be converted, the database actually is in Jet 4.0 format.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

MORE INFORMATION

Create a new Visual Basic Standard EXE project and then paste the following code in the General Declarations section and set a reference to DAO 3.6. This example uses an Access97 Biblio.mdb: 
Sub Form_Click()

Dim db As DAO.Database
Set db = DBEngine(0).OpenDatabase("D:\Program Files\Microsoft Visual Studio\VB98\Biblio.mdb")
Debug.Print db.Version
db.Close

dbPath = "D:\Program Files\Microsoft Visual Studio\VB98\"
DBEngine.CompactDatabase "D:\Program Files\Microsoft Visual Studio\VB98\Biblio.mdb", _
                            "D:\Program Files\Microsoft Visual Studio\VB98\Biblio2k.mdb", _
                            dbLangGeneral, dbVersion40, dbLangGeneral

Set db = DBEngine(0).OpenDatabase("D:\Program Files\Microsoft Visual Studio\VB98\Biblio2k.mdb")
Debug.Print db.Version
db.Close
MsgBox "Conversion Done!"
End Sub
Run the project and click the Form.

Alternatives to DAO 3.6 CompactDatabase for converting are:
  • Convert the database with JRO (Jet Replication objects) as shown in the Microsoft Knowledge Base article Q230501 mentioned in the REFERENCES section following. However, this still results in the same "Convert Database" dialog box when opening with Access 2000.
  • Create a new database with DAO 3.6 and import all objects from previous database.

REFERENCES

For additional information, please click the article numbers below to view the articles in the Microsoft Knowledge Base:

230501 HOWTO: Compacting Microsoft Access Database via ADO

141796 HOWTO: Identify the Jet Database Engine Components

225048 INFO: Issues Migrating from DAO/Jet to ADO/Jet

196809 PRB: CompactDatabase Method Requires Locale to Convert 2.0 MDB

Modification Type:MajorLast Reviewed:10/15/2002
Keywords:kbBug kbDatabase kbDSupport KB243252
©2002 Microsoft Corporation. All rights reserved.