Microsoft KB Archive/257408

= ACC2000: AutoNumber Field Duplicates Previous Values After You Compact and Repair a Database =

Article ID: 257408

Article Last Modified on 7/15/2004

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APPLIES TO


 * Microsoft Access 2000 Standard Edition

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This article was previously published under Q257408





This article applies only to a Microsoft Access database (.mdb).

Novice: Requires knowledge of the user interface on single-user computers.

For a Microsoft Access 2002 version of this article, see 291162.



SYMPTOMS
After you compact and after you repair a database that includes a table that has an AutoNumber field, you notice that when you enter new data, the AutoNumber is a duplicate of an earlier AutoNumber.



RESOLUTION
This problem has been fixed in the latest edition of the Jet Service Pack. For additional information about how to obtain the latest version of the Jet 4.0 database engine, click the following article number to view the article in the Microsoft Knowledge Base:

239114 How To: Obtain the Latest Service Pack for the Microsoft Jet 4.0 Database Engine



STATUS
Microsoft has confirmed this to be a problem in Microsoft Jet version 4.0.2927.4 and earlier.



MORE INFORMATION
When you use an AutoNumber field to generate counter values, a duplicate value may be generated.

Additional query words: pra sp4 identical same

Keywords: kbbug kbfix KB257408

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