File Sync between sites


I have approx 15GB of user data stored at site A that I would like replicated real time to site B.

Site A (office location) has a 4meg ADSL connection with 0.5 meg upstream and site B is at a data centre with 100meg connection.

I have already done a manual copy of files from A to B so changes from now on should be relatively small.

Remote users will VPN into site B to retrieve files as connection to site A is too slow.

How can I best automate replication of files between sites in realtime? I have seen a multitude of spftware programs claiming to do the job but would welcome a recommendation.

Thanks. J
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You can use File Replication, by MS. Check this:

Here is the step by step guid:


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you can try out CA XOsoft Replication if you willing to pay the bucks for entrprise-class replication software... 
it works well on low bandwidth as long as rate of change is not too high.
Or another free utility from MS: synctoy 
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