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Windows Server 2008 R2 DFSR Features

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Ned here again. The cat is out of the bag now and we're a little more free to talk about DFSR features that are planned (not guaranteed - planned) to release with Windows Server 2008 R2. Our friends at the File Cabinet blog have posted an excellent writeup - definitely worth a look:

DFS Replication: What’s new in Windows Server™ 2008 R2

Here's the short and sweet list of areas that were added or improved:

  • Support for Windows Failover Clusters
  • Read-only Replicated Folders (now with true filter driver support)
  • SYSVOL on Read-only Domain Controllers (leveraging the improved Read-only functionality)
  • Diagnostics Improvements (DFSRDIAG adds support for replication state, record translation, and file hash checking for pre-seeding)

You can try all these out in a test environment right now - hurry up and grab the ISO's before it's too late.

- Ned 'The Short Simpson' Pyle

Comments

  • Anonymous
    January 27, 2009
    So. What about file locking. When are Microsoft planning to do this? In Windows Server 2030? How long do we have to wait?

  • Anonymous
    January 27, 2009
    I cannot speak to future product decisions. DFSR is multi-master replication, so the lack of distributed locking is a conscious decision. Those systems that do locking have to sacrifice redundancy though, as they use a single-point-of failure 'broker' server that must be kept up to handle locks. If you are interested in a locking system, there are a variety of products out there that will do this: http://www.microsoft.com/solutionfinder/Marketplace/Home.aspx

  • Anonymous
    March 30, 2009
    The comment has been removed

  • Anonymous
    March 30, 2009
    We have a KB, but it is not yet public (booo!). The only hotfix available right now is actually an NTFS update that fixes a DFSR symptom on 2008: 956123 Files that are copied into replicated file shares may not be replicated for an unexpectedly long time when antivirus software is installed on the originating server http://support.microsoft.com/default.aspx?scid=kb;EN-US;956123

  • Anonymous
    March 31, 2009
    The comment has been removed

  • Anonymous
    March 31, 2009
    Right now there is only one other hotfix released for 2008, but it's for a very specific DFSR migration scenario with read-only DC's. It's: 967326 Data loss occurs after you use the Dfsrmig.exe  tool to migrate the SYSVOL share from the FRS to the DFSR service in a Windows Server 2008-based domain http://support.microsoft.com/default.aspx?scid=kb;EN-US;967326 Otherwise, that one I have above is the only one we recommend currently.

  • Anonymous
    August 19, 2009
    The comment has been removed

  • Anonymous
    November 01, 2010
    Is there any way of setting up a DFSR Hub and Spoke topology such that I don't have any spokes at the moment, only 3 hubs. I will want to add spokes in the future, but not yet? I would prefer not to have a Full Mesh now, only to change it when spokes become available.

  • Anonymous
    November 01, 2010
    You can always use a custom topology where you configure it however you like - the huba and spoke versus mesh versus whatever are just made up terms in the admin console. Make sure that the topology is compelte though (no one-way connections).