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You cannot disable the “Schedule a Conference Call” button after you install the Conferencing Add-in for Office Outlook 2007 on Office Outlook 2010

Consider the following scenario:
  • On a computer that is running Microsoft Office Outlook 2010, you install the Conferencing Add-in for Microsoft Office Outlook 2007.
  • You set the value that appears in the RemoveConferenceCall registry key to 1. This disables the Schedule a Conference Call button.
In this scenario, the Schedule a Conference Call button is still available.
To fix this problem, follow these steps:
  1. Install the following cumulative update:
    2029027 Description of the update for the Live Meeting Conferencing Add-in for Outlook: July 2010
  2. Modify the RemoveConferenceCall registry key, to do this, follow these steps:

    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
    1. Exit Office Outlook.
    2. Start Registry Editor:
      • In Windows Vista, click Startthe Start button, type regedit in the Start Search box, and then press ENTER.

        User Account Control permission If you are prompted for an Administrator password or for a confirmation, type the password, or click Continue.
      • In Windows XP, click Start, click Run, type regedit, and then click OK.
    3. Locate and then select the following registry sub key:
      HKEY_LOCAL_MACHINE\Software\Microsoft\Live Meeting\Addins
      Note Use this sub key for x86-based systems. If you are running an x64-based system, locate and then select the following sub key:
      HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Live Meeting\Addins
    4. After you select the sub key that is specified in step c, point to New on the Edit menu, and then click DWORD Value.
    5. Type RemoveConferenceCall, and then press ENTER.
    6. Right-click RemoveConferenceCall, and then click Modify.
    7. In the Value data box, type 1, and then click OK.
    8. On the File menu, click Exit to close Registry Editor.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the RemoveConferenceCall registry key, click the following Microsoft Knowledge Base article number:
943017 Description of the update for the Conferencing Add-in for Outlook: October 8, 2007


Article ID: 2254815 - Last Review: 08/25/2011 16:15:00 - Revision: 3.2

  • Conferencing Add-in for Microsoft Office Outlook 2007
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