Note Public folder free/busy was removed from Outlook 2013. For more information about changes in Outlook 2013, go to the following Microsoft website:
In Microsoft Office Outlook 2007, you can use the following registry data to force Outlook 2007 to use public folder free/busy information instead of the Availability Service.
In some scenarios where you are troubleshooting Availability Service problems, you might want to force Outlook 2007 to use public folder free/busy information by adding this registry data to the client. In these same situations, you cannot force Outlook 2010 or Outlook 2013 to use public folder free/busy information because the UseLegacyFB registry value is ignored.
- Start Outlook.
- On the File tab, click Options.
- In the Outlook Options dialog box, click Advanced.
- In the Other section, click to select the Enable troubleshooting logging (requires restarting Outlook)
check box, and then click OK.
- Restart Outlook
Article ID: 982698 - Last Review: Jun 22, 2013 - Revision: 1