How to change the Cancel Request dialog box behavior in Outlook 2002 (293650)

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You may want to disable this feature or increase the time-out value if you experience frequent network congestion or other related issues. To suppress the Cancel Request dialog box or change the time-out value, either manually edit the registry or use a policy to configure the setting.

Manually Editing the Registry

Suppressing the "Cancel Request" Dialog Box

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.

To edit the registry to manually suppress the Cancel Request dialog box:

1. Start Registry Editor (Regedt32.exe).
2. Locate and click on the appropriate registry key listed below based on the method that was used to install Microsoft Outlook.

   If the Installation Wizard was used to install Outlook:
   
   HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\CancelRPC

   If the Custom Installation Wizard was used to install Outlook:
   
   HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\10.0\Outlook\CancelRPC

3. On the Edit menu, click Add Value, and then add the following registry value:

   Value name: Disable
   Data type: DWORD
   Value data: 1

4. Quit Registry Editor.

Changing the "Cancel Request" Dialog Box Time-Out Value

You can also manually specify the amount of time that Outlook waits for a connection to the server before the Cancel Request dialog box is displayed. This policy setting overrides the Exchange service Seconds until server connection timeout setting, although it does not disable this setting in the user interface (UI). To edit the registry to modify the policy setting:

1. Start Registry Editor (Regedt32.exe).
2. Locate and click on the appropriate registry key listed below based on the method that was used to install Microsoft Outlook.

   If the Installation Wizard was used to install Outlook:
   
   HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\CancelRPC

   If the Custom Installation Wizard was used to install Outlook:
   
   HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\10.0\Outlook\CancelRPC

3. On the Edit menu, click Add Value, and then add the following registry value (in this example, the value is set to 50 seconds):

   Value name: TimeToShowCancelDialog
   Data type: DWORD
   Value data: 50000 (the amount of time in milliseconds)

   NOTE: Type the connection delay that you want to allow as a decimal number representing milliseconds.
4. Quit Registry Editor.

Using Policies to Set the Registry Values

You can also set the values that are described in the "Manually Editing the Registry" section by using group policies; you can use either the System Policy Editor from the Microsoft Office Resource Kit (ORK) or the Group Policy Editor for Microsoft Windows 2000 and Microsoft Windows XP.

For additional information about using the Microsoft Office 2002 Resource Kit System Policy Editor, visit the following Microsoft Web site: For additional information about using group policies in a Windows 2000 environment, click the following article number to view the article in the Microsoft Knowledge Base:

For additional information about using group policies in a Windows XP environment, see the following Microsoft Web site: