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

View products that this article applies to.

This article was previously published under Q271989

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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.

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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 (http://support.microsoft.com/kb/260910/EN-US/ ) 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

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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.

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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 (http://support.microsoft.com/kb/249149/EN-US/ ) Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

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