Microsoft KB Archive/841615

= Description of the Calendar logging feature in Outlook =

Article ID: 841615

Article Last Modified on 1/10/2007

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APPLIES TO


 * Microsoft Office Outlook 2007
 * Microsoft Office Outlook 2003, Service Pack 1 (SP1)

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INTRODUCTION
Microsoft Office Outlook has a feature to log calendar transactions. Because of the Calendar logging feature, calendar transactions that are generated by client features, by user actions, by the object model, or by the MAPI Calendar Table are written to a log file. The log file contains information for the following items:
 * Sniffer (Inbox auto-processing)
 * Free/busy publishing
 * Reminders
 * Calendar item actions (creation, modification, or to deletion)
 * Resource booking

The main goal of the Calendar logging feature is to quickly identify situations where, for example, meetings are inexplicably deleted from a Calendar folder.



MORE INFORMATION
This article describes the following information about the Calendar logging feature:
 * Configuration
 * Log file creation

After you have configured Outlook for calendar logging, the log file is created after you restart Outlook. A new log file is created every time that you start Outlook until you disable the calendar logging option.

Configuration
To turn on the Calendar logging feature, follow these steps:
 * 1) On the Tools menu, click Options.
 * 2) On the Other tab, click Advanced Options.
 * 3) Click to select the Enable Logging (troubleshooting) check box, and then click OK two times.
 * 4) Restart Outlook.

After you restart Outlook, the words “Logging Enabled” in the title bar indicate that you have a visual indication that the Calendar logging feature is turned on. When logging is completed, you can disable logging by using the same steps. Also, you can reenable Cached Exchange Mode by using the same steps.

Additionally, you can use the Custom Installation Wizard (CIW), the Custom Maintenance Wizard (CMW), the Office Customization Tool (OCT), or a system policy to deploy the setting for the Calendar logging feature. The following registry data is applied when you use these methods to deploy the setting for the Calendar logging feature:

For CIW or CMW:
Value: EnableLogging

Type: DWORD

Data: 0=disabled (default, if registry data does not exist); 1=enabled

For OCT:
Value: EnableLogging

Type: DWORD

Data: 0=disabled (default, if registry data does not exist); 1=enabled

Because of performance and security reasons, we do not recommended that you deploy the Calendar logging feature. You should only turn on the Calendar logging feature on an as-needed basis.

Log file creation
When you start Outlook with the Calendar logging feature turned on, a log file is automatically created in the %temp% folder. By default, this is the \documents and settings\ \local settings\temp folder. The naming convention for the log file will use the following rules:
 * The file name will be Logcalb, where  is an integer that starts with the number one.
 * Every time that you start Outlook, a new log file is created and the index number on the end of the file name is incremented by 1.
 * If you are low on disk space, a log file is not created.

To help protect customer data, the log file is a binary file that cannot be read without a conversion process. You can upload the log file to a secure FTP location and contact Microsoft Product Support Services. A Support Engineer from Microsoft can download and convert the log file. The Support Engineer can, at that time, upload the converted log file to the FTP site for your analysis. The Support Engineer can also perform the log file analysis for you.

Additional query words: OL2007

Keywords: kbtshoot kbinfo KB841615

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