DOCUMENT:Q142062 02-OCT-1999 [crossnet] TITLE :Unable to Run Win16 Sockets Application under Windows 3.1 PRODUCT :Windows for Workgroups and Windows NT Networking Issues PROD/VER:winnt:3.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Network Client for MS-DOS version 3.0 ------------------------------------------------------------------------------- SYMPTOMS ======== You cannot run 16-bit Windows sockets application under Windows 3.1 when using the real mode TCP/IP stack provided by Microsoft Network Client for MS-DOS 3.0. The winsock application fails at startup with an error returned by WSASTARTUP() function. WSASYSNOTREADY or WSANOTINITIALIZED errors may be returned. CAUSE ===== When you install the real mode TCP/IP stack , Network Client for MS-DOS Setup does not copy one of the files necessary for Windows Sockets support. The file is WSAHDAPP.EXE. This file is located in the Windows NT Server CD- ROM in uncompressed format in the \CLIENTS\MSCLIENT\NETSETUP directory and in a compressed format in the \CLIENTS\MSCLIENT\DISKS\DISK2 directory. RESOLUTION ========== Manually copy WSAHDAPP.EXE from the CD-ROM to the directory where the Network Client for MS-DOS is installed (by default: "C:\NET"). For additional information on configuring Microsoft Network Client for MS-DOS 3.0 for sockets support, please see the following article in the Microsoft Knowledge Base: Q128751 No "Advanced" button in Client TCP/IP Configuration Box Additional query words: 3.0 ====================================================================== Keywords : Technology : kbAudDeveloper kbZNotKeyword kbNetworkClientSearch kbNetworkClient300DOS Version : winnt:3.0 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.