DOCUMENT:Q234163 12-JUL-2001 [winnt] TITLE :CheckPoint FireWall-1 Version 3.x and 4.0 Do Not Support PPTP Th PRODUCT :Microsoft Windows NT PROD/VER::4.0 OPER/SYS: KEYWORDS:kb3rdparty kberrmsg kbnetwork win95 win98 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 - Microsoft Windows 98 - Microsoft Windows 95 - Microsoft Windows NT Workstation version 4.0 - Microsoft Routing and Remote Access Service Update for Windows NT Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you try to use Point-to-Point Tunneling Protocol (PPTP) through a CheckPoint FireWall-1 version 3.x or 4.0-based firewall that is using Network Address Translation (NAT), you may receive the following error message on your client computer: Event ID 721 "PPP remote peer not responding" error 721. CAUSE ===== This issue occurs because CheckPoint FireWall-1 version 3.x or 4.0 does not support PPTP. RESOLUTION ========== To resolve this issue, contact CheckPoint to inquire about the availability of a fix for this issue. MORE INFORMATION ================ The third-party products discussed in this article are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability. Additional query words: ====================================================================== Keywords : kb3rdparty kberrmsg kbnetwork win95 win98 Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400xsearch kbWinNTSsearch kbWinNTS400xsearch kbWinNTS400 kbAudDeveloper kbWin95search kbWin98search kbZNotKeyword3 kbWin98 kbRRASNTSearch kbRRASNT400 Version : :4.0 Issue type : kbprb ============================================================================= 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.