Microsoft KB Archive/247085

= XWEB: Error Message: Failed to Connect to the Microsoft Exchange Server =

Article ID: 247085

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Service Pack 1
 * Microsoft Exchange Server 5.5 Service Pack 2
 * Microsoft Exchange Server 5.5 Service Pack 3
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q247085



SYMPTOMS
If you log on to a Microsoft Exchange Server computer by using Microsoft Outlook Web Access (OWA), the following error message may be displayed:

Failed to connect to the Microsoft Exchange Server,



CAUSE
The Mapisvc.inf file, in the Winnt\System32 folder, is modified or missing.



RESOLUTION
Replace the Mapisvc.inf file with an unmodified copy of the original, or add the following section to the existing file:

[MSEMS] PR_DISPLAY_NAME=Microsoft Exchange Server Sections=MSEMS_MSMail_Section PR_SERVICE_DLL_NAME=emsui.dll PR_SERVICE_ENTRY_NAME=EMSCfg PR_RESOURCE_FLAGS=SERVICE_SINGLE_COPY WIZARD_ENTRY_NAME=EMSWizardEntry Providers=ems_dsa, ems_mdb_public, ems_mdb_private PR_SERVICE_SUPPORT_FILES=emsui.dll, emsabp.dll, emsmdb.dll



MORE INFORMATION
The Mapisvc.inf file is created when Exchange Server is installed. To fix the problem, replace the Mapisvc.inf file with a copy of the file from another Exchange Server computer.

Keywords: kbinfo KB247085

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