DOCUMENT:Q224198 19-MAY-1999 [winnt] TITLE :Stop 0x00000050 in Netbt Closing Outbound Connections PRODUCT :Microsoft Windows NT PROD/VER:winnt:4.0 OPER/SYS: KEYWORDS:kbfixlist ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== Windows NT Server may stop responding (crash) and display the following error message at a blue screen: STOP 0x00000050 (0xfebf182a, 0x00000000, 0x00000000, 0x00000000) NOTE: The first parameter may vary in all error messages, but this is always a STOP 0x00000050 error message. CAUSE ===== This problem occurs because Netbt is accessing a field in the connection block that has already been freed. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows NT Server 4.0. 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 STATUS ====== Microsoft has confirmed this to be a problem in Windows NT Server 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4. Additional query words: 0x50 PAGE_FAULT_IN_NONPAGED_AREA ====================================================================== Keywords : kbfixlist Technology : kbWinNTsearch kbWinNT400xsearch kbWinNTSsearch kbWinNTS400xsearch kbWinNTS400 Version : winnt:4.0 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 1999.