Microsoft KB Archive/932633

= A Windows Vista-based computer does not wake from sleep when a PassThru driver is installed =

Article ID: 932633

Article Last Modified on 4/4/2007

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APPLIES TO


 * Windows Vista Ultimate
 * Windows Vista Starter
 * Windows Vista Home Premium
 * Windows Vista Home Basic
 * Windows Vista Enterprise
 * Windows Vista Business 64-bit Edition
 * Windows Vista Business
 * Windows Vista Ultimate 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition

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SYMPTOMS
On a Windows Vista-based computer, you turn on the &quot;wake from sleep&quot; option for a network adapter that supports Wake On LAN (WOL) functionality. After you do this, the computer does not wake from sleep when it receives network traffic.

For example, you click to select the Allow this device to wake the computer check box on the Power Management tab of the properties dialog box for the network adapter. You install the sample PassThru driver that is included in the Microsoft Windows Driver Kit (WDK), or you install a virus scanner that uses the same PassThru driver technology. Then, you put the computer to sleep. However, the computer does not wake from sleep when you send a PING command or a &quot;magic&quot; packet.



WORKAROUND
To work around this problem, use one of the following methods:  Uninstall the sample PassThru driver. Contact the manufacturer of your virus scanning program to find out if a program update is available that does not exhibit this problem. You may have to use a different virus scanning program. For information about how to contact the manufacturer of your virus scanning program, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and software vendor contact information, A-K

60781 Hardware and software vendor contact information, L-P

60782 Hardware and software vendor contact information, Q-Z

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

Note You should uninstall the existing virus scanning program before you install a different virus scanning program.



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

Additional query words: network adaptor NIC

Keywords: kbqfe kbbug kbprb kbexpertisebeginner KB932633

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