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First things first, I have no idea what I'm doing. Certainly not afraid to admit that.. but here is my network setup. I have 2 servers, one of them in a domain controller. Both are running windows server 2008. They have replicated directories. Each server is at a different location and has its own firewall for the network at that location. Both firewalls are using pfsense.

Recently a firewall went down and my coworker reinstalled pfsense, and everything seems setup correctly. Again, I have no idea what I'm doing so I'm not sure. I have records from when the previous IT person had setup this network and the firewall settings are the same but those records could have been extremely old.

Now, I have a domain name for my network.. we'll call it "mydomain.net". I use to be able to access this domain name and it would bring up the servers replicated drives(i.e. \\mydomain.net). Now I cannot. I can however access the servers individual host names on my network(i.e. \\server1 , \\server2). We didn't change anything on the server which is what makes me think its something to do with the firewall. I know this is probably a very general question and I don't have a lot of detail to add but could anyone give me some insight on to what could be causing this, or some debugging techniques I can apply to this? I'm a programmer, not a network administrator.

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I would suggest running a dcdiag to see if your AD is replicating. Can you explain how the sites are linked? I'm guessing it's a firewall issue but it's too early to say for sure. Have you tried adding rules to the relevant interfaces that allow all traffic between the sites?

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I don't believe it has anything to do with the second server. In fact, the local network that's associated with the second server is working just fine. There has been an issue with the replication service. When we start it, it eventually decides to use all of the 12gb of RAM on the server. It only does this on one server which is the one that is having the domain problems. – Dalton Conley Jul 29 '11 at 15:19
DFSR can use the memory based on the DFSR database size. I would not worry about it unless you can see the OS or applications complaining of lack of resource. The memory is there to be used. So let it. Unless there is an obvious leak (i.e. not freeing it when necessary) – maweeras Jul 29 '11 at 21:00
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Check your DFS console and see if there are any DFS namespaces which are replicated using DFSR. I think you are talking of a DFS issue and referrals.

"dfsutil domain billsgs.net " would say if you have any such roots.

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