VPN connection to work

Question

Level 1

26 points

VPN connection to work

hi guys, what am I doing wrong? I am trying to set up a VPN connection to work (windows server) from home (iMac). I am using internet connect, and putting in my IP address, I have my user name and password, and am putting in my shared key. But each time I try to connect I get the error message "the server did not respond. please verify the server address and try again." I can ping the IP address fine though. any ideas?

iMac G5, Mac OS X (10.3.8)

Posted on Sep 26, 2006 2:10 PM

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Answer 1

buckster

Level 4

2,837 points

Sep 26, 2006 2:19 PM in response to Ian Gates1

Are you sure you are using the same protocols at both ends?
hth,
b.

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Answer 2

Ian Gates1 Author

Level 1

26 points

Sep 28, 2006 12:59 PM in response to buckster

yeah, i checked its all the same.
I was wondering if maybe my wireless connection to my airport base station is causing the problem?

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Answer 3

buckster

Level 4

2,837 points

Sep 28, 2006 1:04 PM in response to Ian Gates1

Very possibly.
Can you connect your computer directly to your router via ethernet to test?
If it works via etherenet you should set your Base Station to do bridging. Then you should be fine.
b.

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Answer 4

Ian Gates1 Author

Level 1

26 points

Sep 28, 2006 1:57 PM in response to Ian Gates1

I tried connecting directly to the airport base station, and also directly to the cable modem, but still I keep getting the message"The server did not respond. Please verify the server address and try again."

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Answer 5

Sep 28, 2006 11:04 PM in response to Ian Gates1

I just set up a VPN system from my home network to my work network running Server 10.4.3. I kept running into that same problem and it wasn't until I opened up some ports on my work firewall that everything worked flawlessly. I am wireless @ home to a D-Link router, and wired @ work to a router, getting a dynamic IP from our ADSL provider, with server, not router giving DHCP. I did have to change my home network DHCP settings, 192.168.3.0 for home, and 192.168.0.0 for work. Conflicts occur if they area the same.

Here is the post I started, which helped very much. This covered everything but which ports to open. When I get to work I can post them here.

http://discussions.apple.com/message.jspa?messageID=3064810#3064810

Have fun and hope some of this helps.
Kevin

15" Powerbook 800 Mhz DVI Mac OS X (10.4.7) Wishing to upgrade...

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Answer 6

Sep 29, 2006 8:54 AM in response to m3_spinner

THe ports forwarded are: 500, 1701, 4500

hth
Kevin

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Answer 7

Ian Gates1 Author

Level 1

26 points

Sep 29, 2006 3:17 PM in response to m3_spinner

cheers, Ill pass those ports to the guys at work to see if it works.

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Answer 8

Ian Gates1 Author

Level 1

26 points

Oct 5, 2006 2:29 PM in response to m3_spinner

Thanks for all your suggestions so far, but still no joy I'm afraid. Ive tried my iMac & my XP laptop, with and without my router, and still I'm getting an "error 792: The L2TP connection attempt failed because security negotiation timed out." (Win XP) or "The Server did not respond. please verify the server address and try again" (OS X) message. If anyone has any more ideas I'd be very grateful.

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Answer 9

Oct 5, 2006 10:08 PM in response to m3_spinner

Those are UDP ports.

Mac to Windows L2TP server behind NAT will probably not work.

WXP could/should work if server is Windows 2003 server and both are reasonably updated.

Your home network must use a different networknumber/range than the network at the server end.

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Answer 10

Ian Gates1 Author

Level 1

26 points

Oct 6, 2006 11:07 AM in response to Leif Carlsson

I fear that the server is Win 2000 server, but is probably fully patched. As for the IP Range that shouldn't be a probem, as work use the 192.0.0.X range and I use 10.0.1.X range.

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