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Strange VPN Issue

Posted on 2012-08-31
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Last Modified: 2012-09-05
Hello,

We are trying to connect to a server via VPN. The owners of the server, for our testing purposes, has the firewall open for all IP addresses.

On our network, our firewall allows outgoing VPN on two servers. On one server (the older server, Winows Server 2003), the connection is successful. On the new server (Windows Server 2008), the connection is unsuccessful.

To troubleshoot, we tried connecting to the VPN through personal laptops using personal hotspots.

I got on my laptop and connected to my AT&T hotspot to try to do a VPN connection. The connection was successful.

I then used a Verizon hotspot to try to do the same VPN connection and the connection was not successful!

I don't know if the laptop/hotspot issue has anything to do with the server issue, but still; this is very strange/confusing!

Any thoughts? This is a pretty high-priority issue, so any help would be great.
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Question by:infotechelg
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Expert Comment

by:sharjeel ashraf
ID: 38355533
check the settings on the properties tab for the new VPN from the windows 2008 server, and match the encryption settings, under secuirty the default for server 2008 is requires encryption, change this to optional and see what happens.

i assume this is a windows PPTP connection
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Author Comment

by:infotechelg
ID: 38355624
Thanks, not_an_expert. I tried that and still got an error, but a different error (See VPN02.jpg).

So, I took that to the network admin and it turns out GRE is already allowed (VPN03.jpg).

I've also included a screenshot of my security settings (VPN01.jpg).

Any other thoughts/ideas?
VPN01.JPG
VPN02.JPG
VPN03.jpg
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Accepted Solution

by:
infotechelg earned 0 total points
ID: 38355666
Never mind, guys. Sometimes it takes a Web developer to provide an extra set of eyes for the Network Admins. The third octet of the IP address entry in the firewall was typed in incorrectly.

These things happen!

Thanks for your help and time.
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Author Closing Comment

by:infotechelg
ID: 38367139
Never mind, guys. Sometimes it takes a Web developer to provide an extra set of eyes for the Network Admin. The third octet of the IP address entry in the firewall was typed in incorrectly.

These things happen, I guess.

Thanks for your help and time.
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