DOCUMENT:Q304714 28-DEC-2001 [winnt] TITLE :"Client Could Not Establish a Connection to the Remote Computer" PRODUCT :Microsoft Windows NT PROD/VER::4.0 SP6 OPER/SYS: KEYWORDS:kberrmsg ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 SP6, Terminal Server Edition ------------------------------------------------------------------------------- SYMPTOMS ======== When you use a computer that is running the Windows NT Server 4.0 Service Pack 6 (SP6), Terminal Server Edition client computer, you may receive the following error message: The client could not establish a connection to the remote computer After you receive this error message, the client cannot create a session with a Terminal Server. CAUSE ===== This problem occurs because the SynAttackProtect registry key is set to 2. For additional information about this registry key and value, click the article number below to view the article in the Microsoft Knowledge Base: Q142641 Internet Server Unavailable Because of Malicious SYN Attacks RESOLUTION ========== To work around this problem, set the SynAttackProtect registry key to a value that is less than 2 on the Terminal Server. When you do this, clients can connect and provide a level of protection. STATUS ====== Microsoft has confirmed this to be a problem in the Microsoft products that are listed at the beginning of this article. Additional query words: ====================================================================== Keywords : kberrmsg Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400sp6 kbNTTermServSearch Version : :4.0 SP6 Hardware : ALPHA x86 Issue type : kbbug ============================================================================= 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.