Microsoft KB Archive/124757

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Errors Connecting to Btrieve Data Source (Empty Dialog Box)

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The information in this article applies to:


 * Microsoft Query for Windows, version 1.0

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SUMMARY
In Microsoft Query, when you attempt to connect to a Btrieve data source, an empty dialog box may be displayed, instead of an error message. The connection then fails.

NOTE: You may also receive the following error message in Microsoft Query:

Unexpected Error from External Database Driver [1017]

CAUSE
This problem may occur if you are using an incorrect version of the Btrieve for Windows library file. This library file, WBTRCALL.DLL, is used by Microsoft Windows to access Btrieve as a DLL. WBTRCALL.DLL is created by Novell, and must be obtained from Novell.

WORKAROUND
To work around this problem, you must obtain the correct version of WBTRCALL.DLL. To determine if you are using the correct version of WBTRCALL.DLL note if you are accessing Btrieve as a Client only or as a Client/Server, and use the file size in the table below to determine if you are using the correct version of the DLL.

If accessing                                         WBTRCALL.DLL should Btrieve as    Btrieve is stored and loaded this way  be approx. this size --

Client only   The Btrieve database (.DAT) is stored       51K locally on your hard drive or on a              file server, and is not being accessed as a NetWare Loadable Module (NLM).

Client/Server Btrieve is loaded from a Novell             13K or Btrieve    server as a NetWare Loadable Module NLM           (NLM). WBTRCALL.DLL then makes function calls to the NLM over the network. If you are unable to determine if you are accessing Btrieve as an NLM, note that the following workstation files are necessary to connect to a Btrieve NLM:

WINDOWS\NOVDB.INI.

WINDOWS\SYSTEM\WBTRVRES.DLL Also check for the BREQUEST.EXE file (a TSR that must be loaded before starting Windows to activate WBTRCALL.DLL).

NOTE: You cannot obtain these files from Microsoft. To obtain the correct file, contact Btrieve or download the files from the Btrieve Forum on CompuServe. For additional information, please see the following article(s) in the Microsoft Knowledge Base:

"Q114505 INF: Description of Btrieve" Btrieve is manufactured by Novell Inc., a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Additional query words: 5.00 5.00c blank

Keywords : xlquery xlwin

Version : 1.00

Platform : WINDOWS

Issue type :

Technology :