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Microsoft KB Archive/170321

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Knowledge Base

OL97: How to Turn On Logging After Installing the IMEP

Article ID: 170321

Article Last Modified on 1/20/2007


  • Microsoft Outlook 97 Standard Edition

This article was previously published under Q170321

IMPORTANT: This article contains information about editing the registry. Before you edit the registry, you should first make a backup copy of the registry files (System.dat and User.dat). Both are hidden files in the Windows folder.


The option for logging an Internet Mail session defaults to off after installing the Internet Mail Enhancement Patch for Microsoft Outlook 97 (IMEP). To turn the option on, you must modify the Windows registry. This article describes how to make that modification.

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows 95. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.


When you turn the Internet Mail logging option on, a new subfolder is created under the Windows folder. This sub folder has the same name as your Internet Mail Service. The sub folder contains 3 files for logging various activities:




For information about how to edit the registry, view the Changing Keys And Values online Help topic in Registry Editor (Regedit.exe). Note that you should make a backup copy of the registry files (System.dat and User.dat) before you edit the registry.

To save your IMEP sessions in a log file you must edit the registry as follows:

  1. On Outlook's File menu, click "Exit and Log Off."
  2. Click the Start button, and point to Run. In the Open box, type regedit, and click OK to run the Windows Registry Editor.
  3. Move to and click to select the following key:

          Hkey_Current_User/Software/Microsoft/Internet Mail and News/Mail
  4. Right-click "Log Outlook (0/1)" in the list of registry keys and click Delete.
  5. On the Edit menu, point to New and click DWORD Value.
  6. Type the name Log Outlook (0/1) and press Enter.
  7. Right-click the new "Log Outlook (0/1)" key and click Modify.
  8. In the Value data window, type 1, click OK, and close the Registry Editor.

NOTE: To change the location of the log files, right-click the "Log File (Outlook)" key and change the Value data to the folder into which the log file should be placed.

For more information on interpreting the SMTP and POP3 Logs, please see the following articles in the Microsoft Knowledge Base:

155455 How to Enable and Interpret the Smtp.log File

155515 How to Enable and Interpret the Pop3.log File

Keywords: kbhotfixserver kbqfe kbhowto kbpatch KB170321