PRB: Socket Dup. Not Supported by QOS-Capable TCP & UDP Service Providers

ID: Q216603

The information in this article applies to:

Microsoft Windows 98
Microsoft Windows 2000

SYMPTOMS

The WSADuplicateSocket API returns WSAEINVAL (10022) if you use it to duplicate a socket created using the Microsoft provided QOS-capable TCP and UDP Winsock 2 service providers.

RESOLUTION

Do not use WSADuplicateSocket when you write a GQOS-enabled application.

STATUS

This behavior is by design.

MORE INFORMATION

For additional information about how to create a socket using a Winsock 2 service provider that supports Quality of Service, please see the following article in the Microsoft Knowledge Base:

Q192120 HOWTO: Use the WSAPROTOCOL_INFO Structure to Create a Socket

Additional query words:

Keywords : kbnetwork kbAPI kbGQos kbWinOS2000 kbSDKPlatform kbWinOS98 kbWinsock kbGrpNet
Version : WINDOWS:
Platform : WINDOWS
Issue type : kbprb