migrating file servers that are part of DFS replication group.

So, we have file servers that sync their data to one clustered file server which is a replication partner to ALL file servers. We have over 100 file servers. They basically use one clustered file server to store copies of all file server shares as a backup using DFS. But they need to keep the copies in sync. So, once I move the file server to another forest, replication breaks. It is not supported cross forest by DFS. Would you recommend building a new server in the target and switch replication partners after migration? We have a big concern that it will take a very long time to replicate and the data will be out of sync. The data is very critical on the DFS shares, so we can’t afford to be out of sync for a long time.

Please let me know.
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How big are the shares? You can try to use robocopy, but that might be a problem depending on bandwidth and data set sizes.

If you can avoid trying to migrate to a new forest, that might be your best bet. :-)

How many volumes on your central server do you replicate to? I have found that it's easy for DFS to stop replicating in terms on an unexpected shutdown of the DFS-R service, so limiting the number of replication groups affected per volume is helpful.

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creative555Author Commented:
Thank you so much for the advise. We have decided to use robocopy.
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