"Stop 0x50" in ObReferenceObjectByPointer with Terminal Services in Windows 2000 (295462)

The information in this article applies to:

Microsoft Windows NT Server 4.0 Terminal Server Edition SP4
Microsoft Windows NT Server 4.0 Terminal Server Edition SP5
Microsoft Windows NT Server 4.0 Terminal Server Edition SP6
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Advanced Server SP1

This article was previously published under Q295462

SYMPTOMS

Under certain conditions, a heavily loaded Windows 2000-based server that is using Terminal Services may experience a "Stop 0x50" (fffffff0,0,8044d24d,0) error in ObReferenceObjectByPointer.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date       Time        Version         Size     File name
   --------------------------------------------------------------------------
   4/6/2001   02:37p   5.0.2195.3464   1,641,424   Win32k.sys(uniprocessor)
   4/6/2001   02:37p   5.0.2195.3326     243,472   Winsrv.dll(uniprocessor)
   8/27/2000  09:28p   3.10.0.103         47,808   User.exe
   4/6/2001   02:37p   5.0.2195.3055     379,152   User32.dll
   4/6/2001   02:33p   5.0.2195.3464   1,641,424   Win32k.sys
   4/6/2001   02:37p   5.0.2195.3326     243,472   Winsrv.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.

MORE INFORMATION

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 The Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Modification Type:	Minor	Last Reviewed:	9/26/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbshell kbWin2000PreSP3Fix kbWin2000sp3fix KB295462