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VPN Error 721/619 from XPPSP2 to 2003 STD through Linksys WRT54G

Posted on 2006-05-04
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Last Modified: 2011-10-03
I setup the built in VPN service provided by Server 2003 STD a few months back.  Everything and everyone has been able to connect with no issues from desktops and laptops on wireless or hard wired.

I recently purchased a Dell laptop for the boss with built in 802 g/b and added a Linksys WRT54G 4-port wireless router to his home DSL connection.  I did not test his home desktop's ability to VPN in beforehand.  I setup the Linksys and even checked the firmware once I had a connection to make sure it was the latest.

Everytime he tries to connect to the VPN from either his laptop or desktop he gets either the 721 error or the 619 error.

I have been succesful in getting the laptop to connect using a random open wireless network, another Linksys connection even.

Have done:
- I have read every topic on Experts-Exchange that I could find AND tried each suggestion.
- I have checked the Linksys and Microsoft websites for info.
- I have verified the router has the latest firmware.
- I have tried disabling the XP Firewall.
- I have tried having both the laptop and desktop in the DMZ.
- I have opened the proper ports on both ends.
- I have repeatedly beat my head on both keyboards numerous times...

I'm at wits end.  Any ideas?


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Question by:bengillick
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Rob Williams earned 1500 total points
ID: 16607806
Try connecting the laptop directly to the users modem and see if it works. Should first enable the windows firewall, enable virus protection, and turn off file and print sharing. If it works try the following:
-on the Linksys, on the security/VPN page enable PPTP pass-through
-does the user have a modem which is a combined modem and router. You will be able to tell by the IP it assigns the WAN side of the Linksys. If it is a private IP such as 192.168.x.x, 10.x.x.x, or 172.16-31.x.x then the modem will need to be put in bridge mode and the router configured with the ISP configuration information for a static, dynamic or PPPoE connection
-try another router if possible. The one router that seems to frequently be posted here as blocking PPTP traffic is the WRT54G, although there is no reason it should
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by:bengillick
ID: 16607883
I was afraid this would involve going back out there.  He lives leagues away and traffic in Atlanta is just fun...

Well, I can't try the first suggestion just yet.

"-on the Linksys, on the security/VPN page enable PPTP pass-through"

Tried that.  Even disabled it, restarted, enabled it again.  

"-does the user have a modem which is a combined modem and router. You will be able to tell by the IP it assigns the WAN side of the Linksys. If it is a private IP such as 192.168.x.x, 10.x.x.x, or 172.16-31.x.x then the modem will need to be put in bridge mode and the router configured with the ISP configuration information for a static, dynamic or PPPoE connection"

No on the combined modem/router.  The modem is some generic DSL modem, the Linksys is configured in PPPoE mode.

"-try another router if possible."

Yeah, I suppose I will try to remember to drag another one with me when I get a chance to head back up his way.

*prepares to resume banging his head on the steering wheel*
(at least it gets me out of the office!)
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by:Rob Williams
ID: 16608168
Can he try plugging in directly? DHCP?
Would at least narrow down the problem.

For the record, though VERY rare, I have run across both modems (older units) and  ISP's that do not pass PPTP traffic.
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by:bengillick
ID: 16608297
I *can* do some phone based support with him but, uh...  I'm thinking that less productive then me just going up there.  He isn't going to die w/out VPN access right away.

I was wondering if it could be his modem, though it appears to be newer.  I think his ISP is a Bellsouth reseller but I'm not certain.

I'll try to get out to his place this weekend and I'll try to have a response posted late Sunday.

Thanks so far!
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by:Rob Williams
ID: 16608371
>>"I *can* do some phone based support with him but, uh...  "
 Mmmmmm, been there, done that. <G>
Good luck, let us know how you make out.
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by:bengillick
ID: 16642059
Took a Linksys BEFSR41 "EtherFast® Cable/DSL Router with 4-Port Switch" (mine) up to his place and plugged it in.  Connected to the VPN without a hitch.

Bought a Linksys WRTSL54GS "Wireless-G Media Storage Link Router with SpeedBooster" for him, hooked it up, works just fine.

Funny stuff.

In resolution:

If you are setting up your own wireless network of for someone else and you know that you/they will need to access a VPN DO NOT use the Linksys WRT54G.  As of this writing the WRT54G does not work properly in respects to connecting to an external VPN even though it claims that it does!  

I used the WRTSL54GS as a replacement.  I read reviews on everything I could via newegg and it seemed to be the best choice.  The range isn't as good as the WRT54G but it has the ability to hook up an external USB drive to share on the network and it looks cooler...  :p

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Expert Comment

by:Rob Williams
ID: 16644377
Thanks bengillick.
Glad you were able to resolve. Too bad you had to battle the traffic. Seems one more who couldn't  get the WRT54G to work. I have one here this week. I should give it a try, first opportunity I have had. As I mentioned earlier numerous people have complained of this.
Cheers,
--Rob
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