Microsoft KB Archive/234163

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

Article ID: 234163

Article Last Modified on 1/24/2007

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows 98 Standard Edition
 * Microsoft Windows 95
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Routing and Remote Access Service Update for Windows NT Server 4.0

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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.

Keywords: kb3rdparty kberrmsg kbnetwork kbprb KB234163

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