DOCUMENT:Q243054 08-AUG-2001 [winnt] TITLE :Data Corruption in RPC Causes Tight Loop with RPC Programs PRODUCT :Microsoft Windows NT PROD/VER:winnt:4.0,4.0 SP4 OPER/SYS: KEYWORDS:kbenv ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 4.0, 4.0 SP4 ------------------------------------------------------------------------------- SYMPTOMS ======== When you run programs that use remote procedure calls (RPCs) on a computer running Windows NT 4.0 Server Service Pack 4 (SP4), the computer may become slow and unresponsive because of high processor usage. CAUSE ===== This behavior occurs because data corruption in the RPC buffer is causing certain RPCs to run in a tight loop. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows NT 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 4.0 SP4. This problem was first corrected in Windows NT version 4.0 Service Pack 5. MORE INFORMATION ================ For additional information, click the article number below to view the article in the Microsoft Knowledge Base: Q216766 FIX: Windows NT 4.0 w/ SP4 Causes Data Corruption in RPC Calls Additional query words: rpc ====================================================================== Keywords : kbenv Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400sp4 kbWinNTS400search kbWinNTS400 Version : winnt:4.0,4.0 SP4 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 2001.