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

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Hello,<br />
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. <br />
<br />
Please let me know.
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Hello,
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.

migrating file servers that are part of DFS replication group.

File sharing is the practice of distributing or providing access to digital media, such as computer programs, multimedia (audio, images and video), documents or electronic books. Common methods of storage, transmission and dispersion include manual sharing utilizing removable media, centralized servers on computer networks, World Wide Web-based hyperlinked documents, distributed peer-to-peer networking (P2P) and cloud-based file syncing.

File Sharing Software

The term "Backup" means the methods and processes involved to copy computer data (system data as well as application data) to media other than the ones where the data originally live (disk, tape, optical, cloud). "Restore" in turn means the methods and processes involved in data recovery, i. e., bringing back copied computer data to their original location. Backup/Restore primarily serves as a means of protection against data loss, be it due to disaster, corruption or sabotage. It can also be used for recovering data from an earlier point in time and even for cloning machines or applications. There is a wide variety of backup/restore software available, from expensive commercial products to free or open source tools.

Storage Software

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.