DOCUMENT:Q244837 08-MAY-2002 [winnt] TITLE :Function Exports Missing from Ws2_32.dll PRODUCT :Microsoft Windows NT PROD/VER:winnt:4.0,4.0 SP4,4.0 SP5 OPER/SYS: KEYWORDS:kberrmsg ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 4.0, 4.0 SP4, 4.0 SP5, Terminal Server Edition ------------------------------------------------------------------------------- SYMPTOMS ======== If you run a program that uses Windows Sockets on Terminal Server Edition, you may receive an error message similar indicating that an entry point is missing from Ws2_32.dll, as shown in the following examples: Run-time error '453' Can't find DLL entry point WPUCompleteOverlappedRequest in ws2_32 Run-time error '453' Can't find DLL entry point WSAProviderConfigChange in ws2_32 NOTE: The exact format of the error message depends on the software development environment used to build the program. CAUSE ===== The WPUCompleteOverlappedRequest and WSAProviderConfigChange entry points are not exported by the version of Ws2_32.dll that is included with Terminal Server Edition. Therefore, they are inaccessible at run time. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows NT Server version 4.0, Terminal Server Edition. For additional information, please see the following article in the Microsoft Knowledge Base: Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack WORKAROUND ========== To work around this behavior, replace the Terminal Server Edition version of the Ws2_32.dll file with the version of this file that is included with Windows NT 4.0 Service Pack 5. STATUS ====== Microsoft has confirmed this to be a problem in Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT Server version 4.0, Terminal Server Edition Service Pack 6. Additional query words: ====================================================================== Keywords : kberrmsg Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400 kbNTTermServ400sp4 kbNTTermServ400sp5 kbNTTermServSearch Version : winnt:4.0,4.0 SP4,4.0 SP5 Hardware : ALPHA x86 Issue type : kbbug Solution Type : kbfix ============================================================================= 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 2002.