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DFS Site Costing

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Last Modified: 2013-05-28
Hi

Need some help with DFS, I'm not really familiar with it at all. The DFS Root was set up by someone else and I have been tasked with setting up the backup site.

Here is my site topology (all server 2012)

HQ - PDC, DFS Root

Backup Site - BDC, DFS Replica

This is going to be unidirectional DFS - all users are based at HQ and should be using the DFS Root Server for all requests.

The backup site is only for instances in the DFS Root Server fails, we do NOT want users connecting to it under any other circumstances.

In AD Sites and Services I have set up another Site (Backup), and created & linked subnets the two offices. There is just the single default inter-site link with the 2 sites in.

I assumed that DFS would look at the connecting client's IP subnet and from that, know to use the local server as first priority.

However I have been told this is not all that needs to be set and that I need to set some kind of Site Costing to ensure it works as intended. My clues have been to look at Sites and Services but I cant see anywhere I can stipulate HQ as 0 and Backup as 10 for example.

While I can navigate round AD comfortably I am by no means proficient, feel free to ask for clarification for even the simplest points!

*DFS has not actually been configured on the Backup server yet as I do not want any replication happening until I am 100% this is set up correctly!
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