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VPN Setup

Posted on 2014-04-20
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Last Modified: 2014-05-17
I have a Windows 2008 R2 server in one location.  We have about 8 computers running Windows 7 Prof.  in another location (Branch) (another state).  Since I am going to the branch office tomorrow I would like to know what should I setup in these 8 computers so that when I am back in the Main Office (Windows 2008 Server) I can do the needful for connecting the server to the branch office (8 computers).  What I am trying to do is a VPN connection.  Can someone tell how to setup the VPN at the branch office.  Latter we can go about setting up of the server.

Thanks & Regards

Jacob
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Question by:jake10
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Expert Comment

by:Miftaul
ID: 40012067
VPNs are of two types, Remote Access VPN and Site-to-Site.

Typically Site-to-Site VPNs are set between Main and Sub Offices. You need to have router to create this type of VPN.

You can also configure remote access VPN on the Windows 7 machines, using built in Windows feature called PPTP/L2TP. You have to have the windows server setup to terminate the remote access connection requests.
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Sajid Shaik M earned 1500 total points
ID: 40012074
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Expert Comment

by:bbao
ID: 40012076
so you just need to access a remote site from your computer via VPN.

basically two tasks to do.

1. configure the W2K8R2 computer as a VPN sever. the detailed steps are below.

Enable RRAS as a VPN Server and a NAT Router
http://technet.microsoft.com/en-us/library/dd458971.aspx

2. configure the firewall of the branch to allow incoming VPN connection. the TCP/IP ports to be opened depends on the protocols you choose in the step 1.
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by:Rob Williams
ID: 40013239
What you want to do will not really work.

It is very easy to set up the VPN service on the server which will then allow remote workers to connect, however it is intended for multiple users from multiple sites.  You will run into two issues with multiple users connecting from the same site:
1) NAT issues where multiple users have the same public address
2) All routers (remote client end, not server end) have a limit as to how many PPTP pass-through connections they will support, many are limited to one.  I haven't seen any that will consistently support 8.

You will need a site-to-site VPN as suggested by Miftaul.  This can be done using a Windows server at each site or using VPN capable routers.  Using 2 Windows servers is a pain in the neck to configure and maintain, and often drops connections.  Using the 2 VPN routers is more secure, more stable, improves performance, and very easy to configure.  VPN routers can be purchased for as little as $150 per site these days.  Using a site-to-site VPN is also seamless to the remote workers.

The other alternative is to set up a remote desktop server instead of a VPN.  This preforms better, is more secure, and keeps all data on the primary site.
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