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Site-To-Site VPN with 2003 Server

Posted on 2010-08-26
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Last Modified: 2012-05-10
I am trying to setup a Site-To-Site VPN between 2 member servers of the same domain. The second server is a backup server for the domain kept off site at a disaster recovery location. I need to be able to get Site-To-Site replication setup and functioning between the 2 servers.

Currently I bring the backup server into the office once a month to sync the Active Directory. This is not the best solution, but we have been doing it for about 3 years now.

Any help would be appreciated.

Thanks
Chaz
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Question by:DigitalDataXperts
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Will Szymkowski earned 2000 total points
ID: 33533285
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by:itnetworkn
ID: 33533297
I am a little on clear on what are you using for your VPN solution? Can you provide me with some more details on the VPN setup, whether it is up, and an example of the network blocks being used at each site?
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Expert Comment

by:jmbowles01
ID: 33533323
Hello.

What kind of internet connectivity does the remote location have? What kind of security are you planning on creating?

You can glance at this http://technet.microsoft.com/en-us/library/cc758232(WS.10).aspx and get an overview of designing and deploying a site to site VPN.

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by:ZombieAutopsy
ID: 33534786
What type of connections are you using, are they T-1's or are you using something like cable for internet access?
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by:DigitalDataXperts
ID: 33537057
Thank you all for you help. Spec01 posted a couple of links that were very helpful. I used those in conjunction with a Microsoft document
http://technet.microsoft.com/en-us/library/cc758391%28WS.10%29.aspx

One of the internet connections is a cable modem with a sonic wall and the other connection is a cable modem with a Linksys router. I had been running the VPN client on the backup server and connecting it at boot up to backup critical files. This did not allow the active directory to replicate. I was getting tired of having to bring the backup server into the office every month.

Now the VPN connection happens automaticly when the system starts and and AD replication and file sharing work seamlessly.

The MS document listed above was very helpful and complete. I would recommend that you use static IP addresses when you create you demand dial interface. I am not talking about the IP address of the servers or the internet connections; I mean the IP address of the "Demand Dial Interface" you setup. By default it will grab a DHCP address. This is how mine was connected, and it said both connections were connected correctly. The problem is one of the connections was not getting a DHCP address and it just grab a random address. It took me a little while before I realized this was happening. Once I set those IP address static and created a static IP route for each everything started working fine.

Thanks again for the help!



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