Access Violation Appears in Msafd.dll File During a TransmitFile() Call (294394)

The information in this article applies to:

Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional SP2

This article was previously published under Q294394

SYMPTOMS

When a program or script uses a TransmitFile API call that has a REUSE flag and then the program or script is closed, a Winsock access violation error message appears in the Msafd.dll file.

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
   --------------------------------------------------------
   14-Jun-2001  21:45  5.0.2195.3745  118,800  Afd.sys
   02-Jul-2001  18:49  5.0.2195.3805  104,720  Msafd.dll
   28-Jun-2001  17:36  5.0.2195.3791  312,336  Tcpip.sys
   29-May-2001  10:53  5.0.2195.3649   16,208  Tdi.sys
   02-Jul-2001  18:49  5.0.2195.3649   17,680  Wshtcpip.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 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

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 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

Modification Type:	Minor	Last Reviewed:	9/26/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbnetwork kbWin2000PreSP3Fix kbWin2000sp3fix KB294394