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Win2k3 SP2 solution for VPN

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Win2k3 SP2 solution for VPN - 29.Mar.2007 12:31:39 PM

velt

Posts: 5
Joined: 26.Mar.2007
Status: offline

Hi all,

You are probably formiliar with the problems Service Pack 2 couses on your ISA (2006) machine.

When i installed the SP, all of my important PPTP VPN connections stopped working. With the following steps i solved the problem. Also when i installed it without using ADAM SP1, my ISA machine was compeletely useless.

First i installed ADAM (Active Directory Application Mode) from the Win2k3R2 CD. The version of ADAM at the Win2k3R2 cd is ADAM Service Pack 1. Older versions of Win2k3 don't have ADAM Service Pack 1, so when you run an older version you have to install ADAM from your cd, and then upgrade ADAM to ADAM Service Pack 1.

After that i edited my registry, the EnableRSS key has to be at 0 in stead of 1. If you cannot find the EnableRSS key, you have to create it in the folder Parameters and set it to 0.
The key can be found here (HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\EnableRSS)

Make sure your PPTP Filter is set on. This filter option you can find in your ISA Management under >Protocols >VPN >PPTP (Server)

Double click the PPTP protocol and click the Parameters tab. On the bottom you will find the used filters, make sure the PPTP Filter is switched on. Redo the last steps on the PPTP Server protocol and your PPTP VPN connections should work without problems under Service Pack 2.

Thanks Microsoft for this fantastic Service Pack !

And real thanks to the information found here, without that i would not have solved the problems without removing Service Pack 2! Thanks!

Bart

Post #: 1

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RE: Win2k3 SP2 solution for VPN - 29.Mar.2007 6:19:29 PM

elmajdal

Posts: 5071
Joined: 16.Sep.2004
From: Lebanese in Kuwait
Status: offline

Hi velt,

Thanks for the info.

Will be refering this page to others when needed

Thanks,
Tarek

_____________________________

Tarek Majdalani

MS Forefront Edge Security MVP
Website : http://www.elmajdal.net/ISAServer
New Section : http://www.elmajdal.net/Win2k8

(in reply to velt)

Post #: 2