Knowledge Base

OL97: MAPI Service Error in GWMSPI.DLL Starting Outlook

Article ID: 180347

Article Last Modified on 1/22/2007

Microsoft Outlook 97 Standard Edition

This article was previously published under Q180347

SYMPTOMS

When you start Microsoft Outlook 97, the following error message appears:

Unable to open your default mail folders. MAPI was unable to load the information service GWMSPI.DLL

If you click OK, Outlook fails to start.

CAUSE

You have installed client support for Novell GroupWise and Outlook 97 on the same computer and messaging services for both products were installed in the same profile.

RESOLUTION

Create two separate Windows Messaging profiles, one for Outlook and one for GroupWise.

MORE INFORMATION

The error message described in the Symptoms section occurs without respect to the installation order.

GroupWise is manufactured by Novell, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

REFERENCES

For information on managing Outlook and GroupWise on the same computer, please see the following article in the Microsoft Knowledge Base:

174918 OL97: Using GroupWise and Outlook on the Same Computer

For information on compatible mail systems, please see the following article in the Microsoft Knowledge Base:

159706 OL97: Using Microsoft Outlook with Different Mail Systems

Keywords: kb3rdparty kbprb KB180347