NetMeeting Sharing Hangs System with PerMedia II Video Adapter (240328)

The information in this article applies to:

Microsoft NetMeeting 2.11 for Windows NT 4.0
Microsoft NetMeeting 2.1 for Windows NT 4.0
Microsoft NetMeeting 2.0 for Windows NT 4.0
Microsoft NetMeeting 3.01 for Windows NT 4.0

This article was previously published under Q240328

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

While you are sharing either a program or the desktop using NetMeeting, the computer may stop responding (hang).

CAUSE

This behavior is known to occur with systems that have an Accel PerMedia II video adapter.

RESOLUTION

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.

Start Registry Editor (Regedt32.exe).
Locate the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Accel3
Select the following value:
Value Name: DisablePCIDisconnect
Data Type: REG_DWORD
Data: 0
On the Edit menu, click DWORD. Type 1 in the Data box.
Click OK, and then quit Registry Editor.
Restart the computer.

MORE INFORMATION

The registry value listed above changes the behavior of the video adapter to reduce PCI bus contention. There are no adverse effects or other differences when you change this setting. For additional details about this setting, please consult the hardware manufacturer.

Modification Type:	Major	Last Reviewed:	12/17/2003
Keywords:	kbenv kbHardware kbprb KB240328