FRS vs DFS

I have a network with 2 DC's.

One DC is server 2003 sp2 and the other is Server 2003 R2. Which is the best form of replication system to use in this situation?

Should I go out and buy another copy of R2 or can I use the File Replication System from the earlier version to replicate the 2 DC's together RELIABLY. If I have to, I will go out and buy another copy but it just burns me up to have to invest in another full version of the software in order to keep everything on an even keel.
TrueGeekAsked:
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tigermattCommented:

Since the first server is not R2 edition, you can't use the new DFS-R features to replicate between the two servers.

Whether you upgrade to R2 edition (or Server 2008) to gain the new DFS-R features depends largely on several factors. The main one I would suggest you think about is whether you need to control a schedule to restrict when replication can and cannot occur, and the other would be whether you need to use bandwidth throttling. If the two servers you will be replicating are in different sites, I would suggest throttling the bandwidth during the day since it reduces load on your site-to-site lines.

If you need either of these features, you need to have both servers running R2 edition, since NTFRS does not support them. If all you need is simple replication between the two servers and don't need any of the new DFS-R advanced features, FRS would be your way forward. It's reasonably reliable - SYSVOL is replicated using it, and how often is SYSVOL out of sync? :-)

-tigermatt
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TrueGeekAuthor Commented:
Thank you. Clear and concise.
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