In Microsoft Office Outlook 2007, when you disable the permission controls for mailbox folders by setting the following registry data, mailbox folders are disabled as expected. However, the permission controls for public folders are also disabled unexpectedly.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To disable the permission controls for mailbox folders only, follow these steps:
Install the Outlook 2007 hotfix package that is dated May 06, 2008.For more information, click the following article number to view the article in the Microsoft Knowledge Base:
952291 Description of the Outlook 2007 hotfix package (Outlook.msp): May 06, 2008
Set the DisableEditPermissions registry entry DWORD value to 1. To do this, follow these steps:
Start Registry Editor.
In Windows Vista, click Start, type regedit in the Start Search box, and then press ENTER.
If you are prompted for an administrator password or for confirmation, type the password, or provide confirmation.
In Windows XP, click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: