Winsock2 WSADuplicateSocket() Function Does Not Work on QoS-Enabled Sockets (271989)

The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional

This article was previously published under Q271989

SYMPTOMS

The Winsock2 WSADuplicateSocket function does not work on Quality of Service-enabled sockets. Error response "WSAEINVAL" is received when the function is called.

In addition, Windows 2000 Quality of Service (QoS) functionality may not work properly on Microsoft Proxy Server.

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
   ------------------------------------------------------
   09/22/2000  03:55p  5.0.2195.2306  25,360  Rapilib.dll
   09/22/2000  03:56p  5.0.2195.2306  76,560  Rsvpsp.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 2.

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

Modification Type:	Minor	Last Reviewed:	9/23/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbWin2000PreSP2Fix KB271989