Microsoft KB Archive/254754

= Visio Maps: Joining Data to a Visio Maps Layer Results in an External Data Conflict Error =

Article ID: 254754

Article Last Modified on 8/5/2004

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APPLIES TO


 * Microsoft Visio Maps 1.0

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This article was previously published under Q254754



SYMPTOMS
When you try to join external data to a Visio Maps layer, you may receive the following error message:

Error joining attributes from the

external file to the map layer



CAUSE
This error message can occur if:
 * 1) You try to join an external data file to a map layer while the external data file is open in another application. Make sure the file is not open in another application before you try to join the data to a map layer.
 * 2) The external data file you are trying to join is a Microsoft Excel 97 file. Data Access Objects (DAO) 3.0 does not contain a driver for Excel 97. Therefore, you must save your Excel 97 data files to an older version of Excel before you try to join the data to a map layer. When you save to an older version of Excel, make sure to use a new file name to prevent data loss.
 * 3) The DAO 3.0 drivers are not properly installed.



RESOLUTION
To reinstall DAO 3.0, download and run VMAPS10A.exe. The following file is available for download from the Microsoft Download Center:

Download VMAPS10A.exe now

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

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