DOCUMENT:Q160582 07-MAY-1999 [iis] TITLE :Too Many Connected Users Err. Msg. When Use SSL and IE 3.0 PRODUCT :Internet Information Server PROD/VER:Winnt:1.0,2.0 OPER/SYS: KEYWORDS:kberrmsg ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server versions 1.0, 2.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you open a link on a secured Internet Information Server (IIS) website, you will get the following error message: Too many connected users. CAUSE ===== Microsoft Internet Explorer version 3.01 does not close Secure Sockets Layer (SSL) connections to an HTTPS web server correctly. Therefore, it causes open connections to stay until the server times out the connections. Netscape Navigator version 3.x does not cause the above error. WORKAROUND ========== WARNING: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk. Turn off keep-alives on Internet Information Server by using regedit (or regedt32) and the following entry: NOTE: The following entry turns off keep-alives to on SSL connections. However, it breaks Windows NT Challenge/Response authentication. HKEY_LOCAL_MACHINE\ \System \CurrentControlSet \Services \W3SVC \Parameters \SslNoKeepAlive: REG_DWORD: 1 STATUS ====== Microsoft has confirmed this to be a problem with Microsoft Internet Explorer version 3.01. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available. ====================================================================== Keywords : kberrmsg Technology : kbiisSearch kbiis200 kbiis100 Version : Winnt:1.0,2.0 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 1999.