OL97: Invalid Page Fault in Module Nmsp32.dll

Article translations Article translations
Article ID: 253106 - View products that this article applies to.
This article was previously published under Q253106
This article has been archived. It is offered "as is" and will no longer be updated.
NOTE: The procedures in this article only apply if you have installed Outlook with the Corporate or Workgroup option. With this option, you can use Messaging Application Programming Interface (MAPI) services. To determine your installation type, click About Microsoft Outlook on the Help menu. If you have the Corporate or Workgroup installation, you see "Corporate or Workgroup".
Expand all | Collapse all


When you start Outlook, you may receive the following error message:
OUTLOOK caused an Invalid Page Fault in module Nmsp32.dll


This problem occurs if the Lotus Notes Transport Service is included in your Outlook profile.


To resolve this problem, remove the Lotus Notes Transport Service from your profile:
  1. Click Start, point to Settings, and then click Control Panel.
  2. Double-click the Mail (Mail/Fax) icon.
  3. On the Services tab, click Lotus Notes, and then click Remove.


Outlook 97 supports the following transports:
  • Microsoft Exchange Server
  • Microsoft Mail Post Office
  • Lotus cc:Mail Post Office Microsoft
  • Microsoft Fax
  • Microsoft Internet Mail (SMTP/POP3)


Article ID: 253106 - Last Review: October 20, 2013 - Revision: 1.1
  • Microsoft Outlook 97 Standard Edition
kbnosurvey kbarchive kbpending kbprb KB253106

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.
Get more support from smallbusiness.support.microsoft.com