Microsoft KB Archive/173029

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Authprox 16 Install Fails Due to Missing Network Libraries

Article ID: 173029

Article Last Modified on 9/30/2003


  • Microsoft Commercial Internet System 1.0 Service Pack 2

This article was previously published under Q173029


The following message box warning may appear during installation of the 16- bit Microsoft Authentication Proxy for Netscape on a Microsoft Windows 3.x system running the Microsoft Lanman 2.2c network client.

Unable to locate the required network libraries. Microsoft
Authentication Proxy for Netscape cannot be installed.

The installation will terminate after this error.


Winsock.dll cannot be located in certain directories. The installation process currently can only find Winsock.dll if it is located in any of the following locations:

   - %windir% directory
   - %windir%\system directory
   - same directory as netscape.exe

Type the set command in a command prompt shell under Windows 3.x to determine the value for %windir%.


Copy Winsock.dll to either of the locations mentioned above. The Lanman 2.2c version of Winsock.dll is located in the lanman.dos\netprog directory.

Additional query words: MCIS mbs membership broker gold navigator 3.03

Keywords: kbbug kbnofix KB173029