"Error in loading DLL" error message when you run a Microsoft Access wizard in Access

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


Moderate: Requires basic macro, coding, and interoperability skills.

Symptoms

When you try to use a Microsoft Access wizard, such as the Import Text wizard or the Import Spreadsheet wizard, in Microsoft Access 2002, you may receive the following error message. When you try to open a form that is created by the Switchboard manager, you may receive the following error message:

Error in loading DLL

Cause

This problem may occur if you have missing Microsoft Data Access Components (MDAC) files, corrupted MDAC files, or outdated MDAC files on your computer.

Resolution

To resolve this problem, use either of the following methods:

Method 1: Register the required Dao360.dll file and the Msado15.dll file

You may have to register the Dao360.dll file and the Msado15.dll file by using the Regsvr32.exe program. To do this, follow these steps:
  1. Click Start, and then click
    Run.
  2. In the Run dialog box, type the following commands in the Open box, and then click
    OK:

    Regsvr32.exe "<<Dao360.dll_Path>>"
    Regsvr32.exe "<<Msado15.dll_Path>>"

    The
    <<Dao360.dll_Path>> placeholder is the absolute path of the Dao360.dll file.


    The<<Msado15.dll_Path>>placeholder is the absolute path of the Msado15.dll file.

    The following examples show how you may specify an absolute path:

    Regsvr32.exe "C:\Program Files\Common Files\Microsoft Shared\DAO\Dao360.dll"

    Regsvr32.exe "C:\Program Files\Common Files\system\ado\Msado15.dll"

    If the Dao360.dll file is successfully registered, you receive a message that is similar to the following message:

    DllRegisterServer in C:\Program Files\Common Files\Microsoft Shared\DAO\Dao360.dll succeeded.


    If the Msado15.dll file is successfully registered, you receive a message that is similar to the following message:

    DllRegisterServer in C:\Program Files\Common Files\system\ado\Msado15.dll succeeded.
  3. Click OK.
Method 2: Install the latest version of MDAC

For additional information about how to download the latest version of MDAC, visit the following Microsoft Developer Network (MSDN) Web site:

References

For more information about problems that may occur when you run Access 2000 wizards, click the following article number to view the article in the Microsoft Knowledge Base:

303769 Error message when running Access wizards


For more information about problems that may occur when you run Access 2010 wizards, click the following article number to view the article in the Microsoft Knowledge Base:

2028517 Error message when running Access wizards

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