Microsoft KB Archive/329098

= Add-ins are disabled if a process starts Outlook 2002 =

Article ID: 329098

Article Last Modified on 4/7/2006

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APPLIES TO


 * Microsoft Outlook 2002 Standard Edition

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This article was previously published under Q329098





IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
If you use a custom Component Object Model (COM) add-in with Microsoft Outlook, after you start Outlook, the add-in may not load or work correctly.



CAUSE
This problem may occur if another process, such as Microsoft ActiveSync version 3.5, starts Outlook but does not display any Outlook user interface. If this occurs and you then start Outlook as you typically do, Outlook does not load any COM add-ins.



Service Pack Information
This problem is corrected in Microsoft Office XP Service Pack 3.

To resolve this problem, obtain the latest service pack for Microsoft Office XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

307841 OFFXP: How to Obtain the Latest Office XP Service Pack

Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Office XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The global version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.   Date           Time        Size           File name ---  10-Apr-2003    14:22       6,987,828      Outlookff.msp 10-Apr-2003   11:19       3,240,796      Outlookop.msp After the hotfix is installed, the following files will have the listed attributes or later:   Date         Time   Version       Size     File name ---  19-Sep-2002  21:23  10.0.4517.0   105,032  Envelope.dll 09-Jan-2003 22:31  10.0.4907.0   346,696  Exsec32.dll 09-Aug-2002 03:22  10.0.4406.0   137,800  Impmail.dll 28-Feb-2003 01:56  10.0.5025.0   543,304  Outlcm.dll 14-Mar-2003 07:55  10.0.5112.0   100,936  Outlctl.dll 10-Apr-2003 07:32  10.0.5208.0 6,318,664  Outllib.dll 11-Oct-2002 22:14  10.0.4608.0    92,744  Outlmime.dll 10-Apr-2003 07:32  10.0.5208.0    47,688  Outlook.exe 22-Mar-2003 03:06  10.0.5119.0   121,416  Outlph.dll 25-Nov-2002 18:50  10.0.4721.0    47,688  Recall.dll This fix is a post-Office XP Service Pack 2 (SP-2) fix. To install the fix, you must have Office XP SP-2 installed. For additional information about Office XP SP-2, click the following article number to see the article in the Microsoft Knowledge Base:

325671 OFFXP: Overview of the Office XP Service Pack 2

Additionally, you may have to install Windows Installer 2.0 to install this fix. For additional information about the Windows Installer requirement for post-Office XP SP-2 fixes, click the following article number to see the article in the Microsoft Knowledge Base:

330537 OFFXP: Office XP Updates and Patches Released After September 2002 May Require Windows Installer 2.0

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk. After you apply the fix, enable the fix by adding the ForceOutlookSessionForOM value.

To do this, follow these steps:  Quit Outlook 2002. Click Start, click Run, type regedit in the Open box, and then click OK. Locate and then click the following registry key:

 Click Edit, click New, and then click DWORD Value.</li> Type ForceOutlookSessionForOM, and then press ENTER. This creates a new DWORD value named ForceOutlookSessionForOM.</li> With the new ForceOutlookSessionForOM DWORD value selected, click Edit, and then click Modify.</li> In the Value data box, type 1, and then click OK.

Note Setting the ForceOutlookSessionForOM DWORD value to 0 will disable the fix.</li> Quit Registry Editor.</li></ol>

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.

This problem was first corrected in Office XP Service Pack 3.

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MORE INFORMATION
If you do not have the hotfix installed and you re-enable the COM add-in so that it loads, it is not trusted in the Outlook 10 Security Settings folder.

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