Solved

Windows 7 Professional VPN Issue

Posted on 2010-11-15
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Last Modified: 2012-05-10
I have 2 Windows 7 Prof. PC's and trying to connect to a VPN at my workplace. Using the local wireless network there are no issues. Using a Telstra Wireless broadband Next G card it works on 1 PC but not on the other! I have even tried a different Telstra wireless  device but with the same result!
If it helps, the PC that works has Symantec Security, the other has McAfee Security however I did turn the McAfee firewall off and it made no difference!
Oh, the error code returned is 619 which is not very helpful!
I tried pinging the VPN and it worked but I tracert times out!
Can you offer any suggestions?
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Question by:thorpey83
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Expert Comment

by:ken2421
ID: 34140836
@Thorpey83,
You will have to talk to the Telstra folks about these cards mate. The broadband G card provides basic port 80 network connection which allows you to view the web. The services that you need in order to Ping, Tracert, and VPN are not available on the card that is giving you 619. 619 just means that a connection could not be made. The problem is not your PCs or the VPN but the service.

They can correct this  but it may require paying a price. I would be interested to know how much.

HTH,
Ken
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Author Comment

by:thorpey83
ID: 34140888
Hi again Ken,
I hear you but I don't understand why the same wireless card works on one PC but not on the other! Does this not indicate a PC issue?
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by:ken2421
ID: 34140903
If you switch cards does it work?

Ken
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Author Comment

by:thorpey83
ID: 34140916
Both cards work on one PC but not on the other!

Keith
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Expert Comment

by:ken2421
ID: 34140983
Are they both 7 professional or above? Well you have eliminated the cards then it has to be the configuration, software, firewall, or similar. Do you have more than one VPN client on the failing PC?

Ken
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Author Comment

by:thorpey83
ID: 34141025
They are both W7Prof and I ma using the W7 client and have not installed any other clients. Both systems are only weeks old so very little chance of corruption!
The PC in question has McAfee which controls the firewall itself but I truied disabling it with no change!
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by:ken2421
ID: 34141080
The fact that you can't tracert tells me that something is wrong. That service should be available from any pc. Something is blocking tracert and the same thing is blocking the VPN. You have a firewall of some sort active. Try uninstalling McAffee. That would be my take.

Ken
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Author Comment

by:thorpey83
ID: 34141260
OK...I uninstalled McAfee and then disabled Windows firewall but still error 619! Grr!
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Expert Comment

by:ken2421
ID: 34142035
Well. We know what it isn't. Still there has to be something blocking the connection. I would try a  malwarebytes scan and I would rebuild the TCP/IP stack. Try this at Microsoft and advise. If possible do it using the modem.

http://support.microsoft.com/kb/299357

Ken
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Author Comment

by:thorpey83
ID: 34142200
Well, Malwarebytes found nothing and a TCP/IP reset also made no difference! Hmmmm

Keith
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Author Comment

by:thorpey83
ID: 34142203
Just be aware that the same PC, using a wireless network, connects to the VPN no probs!
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Expert Comment

by:ken2421
ID: 34145621
Okay. It has to be a system difference that is so obvious to go unnoticed or so obscure to go unseen. I am not a big proponent of registry cleaners but this one http://www.piriform.com/ccleaner has helped me out a few times. If you are willing, do a scan and repair, reboot and try again and see what happens.

Thorpey83. You might even remove the Telstra software before cleaning the registry and then reinstalling on reboot. I am assuming that McAfee is still off of this machine.

Ken
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Author Comment

by:thorpey83
ID: 34149282
Hello again Ken.
I have done as suggested but again without sucess! Is ther anyway of comparing the settings of the 2 PC's? McAfee is still off this machine!
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Accepted Solution

by:
thorpey83 earned 0 total points
ID: 34158895
Hi Ken,

I have found the issue by Googling my issue this morning. I found the following text:
The current releases of VPN client software use an NDIS (Network Driver Interface Specification) intermediate driver that is based on NDIS 5.0 (specifications developed for Windows Vista and XP).

However, the native Windows 7 Mobile Broadband and Sierra Wireless WWAN miniport drivers are based on NDIS 6.2 specifications. VPN client applications using intermediate drivers based on NDIS 5.x specifications have compatibility issues with drivers compliant with Windows 7 Mobile Broadband.

It lead me to download a driver version 2514 which forced NDIS 5.0 and i now works just fine!

Thankyou for your help.
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Author Closing Comment

by:thorpey83
ID: 34186430
Te problem is solved
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Expert Comment

by:wthengineering
ID: 34257854
What driver did you download...the Sierra Wireless driver, or a WWAN miniport driver?
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Author Comment

by:thorpey83
ID: 34260281
Hi wthengineering,

I downloaded "driverinstaller2514" from http://www.sierrawireless.com/resources/support/drivers/build2514_driverinstaller.exe
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