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Have you thought about changing the router? Did you make sure you have pptp pass through enabled on the router? Also you mentioned port forwarding for 1723 what about protocol 47 GRE? 
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Have you thought about changing the router? Did you make sure you have pptp pass through enabled on the router? Also you mentioned port forwarding for 1723 what about protocol 47 GRE?

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I have thought about changing the router, but dont want to commit until I am sure that is the issue.<br />
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I have opened 47... will check the pptp passthrough.
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I have thought about changing the router, but dont want to commit until I am sure that is the issue.

I have opened 47... will check the pptp passthrough.

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I have now....and it worked. &nbsp;Thanks.
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I currently have a sbs2003 connected from the modem-router (DFL-200)-switch-server/cl<wbr />ients.<br />
<br />
I want to setup a VPN, and have tryed all the correct step thats have worked flawlessly on 2 other servers. &nbsp;The correct ports are forwarded yet I still get 800 error. &nbsp;1723 is listening and still the 800.<br />
<br />
If I set up a PPTP server and username on the DFL-200 it results in a 691 error so not getting into the server just the router.<br />
<br />
I think if I add another network card I can alleviate a lot of my problems as the other server work fine and the only difference is 2 nic cards to one.<br />
<br />
With that being said, what do I have to do to add another Nic? &nbsp;If anyone thinks they can help me with the current VPN problem, let me know and I will create another question.
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I currently have a sbs2003 connected from the modem-router (DFL-200)-switch-server/clients.

I want to setup a VPN, and have tryed all the correct step thats have worked flawlessly on 2 other servers.  The correct ports are forwarded yet I still get 800 error.  1723 is listening and still the 800.

If I set up a PPTP server and username on the DFL-200 it results in a 691 error so not getting into the server just the router.

I think if I add another network card I can alleviate a lot of my problems as the other server work fine and the only difference is 2 nic cards to one.

With that being said, what do I have to do to add another Nic?  If anyone thinks they can help me with the current VPN problem, let me know and I will create another question.

What needs to be done to add a 2nd network card to a sbs 2003 server?

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.

Hardware Firewalls

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).