Microsoft KB Archive/179802

= XCLN: Error Msg: Application Error, Call to Undefined Dynalink =

Article ID: 179802

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Client 5.5
 * Microsoft Exchange Client 5.0
 * Microsoft Outlook, Exchange Server Edition

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This article was previously published under Q179802



SYMPTOMS
When you try to start the Windows 3.x Exchange or Outlook client, you may receive one of the following error messages:

Application Error

Call to Undefined Dynalink

-or-

Application Error

Cannot find Mapi.dll



CAUSE
The Mapi.dll file, located in the c:\windows\system subdirectory by default, is missing, corrupted, or has been replaced by another version.



WORKAROUND
To correct the problem, perform one of the following steps:
 * Copy the Mapi.dll from another Windows 3.x client system that is working properly.

-or-
 * Reinstall the Exchange client.

-or-
 * Expand Mapi.dll from the client CD-ROM cabinet (.Cab) files.

The syntax for the EXPAND (Expand.exe) utility is:

EXPAND

Keywords: kbprb kbusage KB179802

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