Microsoft KB Archive/889514

= Virtual Machine Additions do not function when you use Fast User Switching in Virtual PC 2004 Service Pack 1 =

Article ID: 889514

Article Last Modified on 11/23/2004

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APPLIES TO


 * Microsoft Virtual PC 2004 Service Pack 1

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SYMPTOMS
When you use the Fast User Switching feature of a Microsoft Windows XP-based virtual machine in Microsoft Virtual PC 2004 Service Pack 1 (SP1), the following Virtual Machine Additions do not function:
 * Drag-and-drop editing.
 * Folder sharing.
 * Clipboard sharing.
 * Dynamic resizing of the virtual machine window. This feature automatically adjusts the size of the guest operating system desktop.

When you switch back to the original user account, these additions continue not to function as expected.

The following Virtual Machine Additions function as expected after using Fast User Switching:
 * Integrated mouse.
 * Improved operating system performance.
 * Optimized video drivers.
 * Time synchronization.



CAUSE
This problem occurs because not all the Virtual Machine Additions are switched to the new user account when you use Fast User Switching. Only the user services of Virtual Machine Additions are switched to the new user account.



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

Additional query words: vpc vpc2004 vpc2k4 vpc2004sp1 vpc2k4sp1

Keywords: kbtshoot kbprb KB889514

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