In Microsoft Office Outlook 2007, you enable the "Show Contact linking in all forms" feature. Then, you link a contact to a meeting request and send the meeting request to the meeting attendees. In this case, when the meeting attendees open the meeting request, the contact linking information is missing.
Note The contact linking information is not missing in the meeting request that is sent from an Outlook 2003 user.
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 resolve this problem, install the Outlook 2007 hotfix package that is dated February 24, 2009, and then set the
registry entry to enable the hotfix on the meeting organizer's client computer and on the attendees' client computers.
Note This resolution only resolves the problem in which the meeting request is sent from an Outlook 2007 client that is not connected to an Exchange 2007 server.
Install the Outlook 2007 hotfix package that is dated February 24, 2009.For more information, click the following article number to view the article in the Microsoft Knowledge Base:
961752 Description of the Outlook 2007 hotfix package (Outlook.msp): February 24, 2009
registry entry. To have us set this registry entry for you, go to the “Fix it for me” section. If you would rather set this registry entry yourself, go to the “Let me fix it myself” section.
Fix it for me
To fix this problem automatically, click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.
Note this wizard may be in English only; however, the automatic fix also works for other language versions of Windows.
Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or a CD and then run it on the computer that has the problem.
Let me fix it myself
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 in the Open box, and then click OK.
Locate and then click the following registry subkey: