CheckPoint FireWall-1 Version 3.x and 4.0 Do Not Support PPTP Through NAT (234163)


The information in this article applies to:

  • Microsoft Windows NT Server 4.0
  • Microsoft Windows 98
  • Microsoft Windows 95
  • Microsoft Windows NT Workstation 4.0
  • Microsoft Routing and Remote Access Service Update for Windows NT Server 4.0
This article was previously published under Q234163

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 that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
Modification Type:MinorLast Reviewed:12/20/2004
Keywords:kb3rdparty kberrmsg kbnetwork kbprb KB234163
©2004 Microsoft Corporation. All rights reserved.