DFS Stand-Alone Roots from Consolidation to Domain Roots?

Discussion in 'File Systems' started by Justin, Nov 24, 2006.

  1. Justin

    Justin Guest

    Hi everyone,

    I was able to migrate our servers to DFS and had to keep the prior naming
    conventions so I used the DFS Consolidation Root Wizard in the File Server
    Migration Toolkit and everything worked well. The only problem I have is
    that when I migrated the servers I was only able to create stand-alone DFS
    roots (I didn't seem to have an option to migrate to domain DFS roots). I've
    been having issues with the stand-alone root server since when it goes down
    the DFS namespaces become unavailable to our users. I've tried to figure out
    a way to migrate the stand-alone roots to domain roots (we have AD in place
    already) but have had no luck. I have successfully exported the roots to
    text files using dfsutil. I then created new domain roots and tried to
    import the previously exported roots into the newly created domain roots but
    I still cannot access the shares using the old naming conventions (which are
    via mapped drives: \\oldservername\share).

    Is there a way to do this without going the cluster route? I would love to
    integrate the dfs roots into AD without losing the consolidated naming
    conventions. Any help is greatly appreciated. Thanks!
    Justin, Nov 24, 2006
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  2. Hi Justin,

    DFS Root Consolidation only works with standalone roots. Domain based
    roots must be accessed via \\domain\root therefore eliminating the
    possibility to consolidate roots. If you are looking for redundancy with
    Root Consolidation then a server cluster must be used.

    Hope this helps,

    Brian Delaney
    Microsoft Canada
    Brian Delaney [MSFT], Nov 28, 2006
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  3. Justin

    Justin Nolan Guest

    Thanks Brian,

    I figured as much. I wanted the fault tolerance that dfs-r brought to the
    table but it looks like it'll be at a cost of having to ensure the
    reliability of the root. Though since our employees access the shares via
    mapped drives from logon scripts I could probably migrate the shares to a
    domain root structure and just make the changes at the scripts. Hopefully
    I'm not too far off base here.

    Justin Nolan, Nov 28, 2006
  4. Hi Justin,

    DFSR can still be utilized in a stand-alone DFS namespace. However,
    without clustering the stand alone namespace the namespace itself has no

    In a situation like this I usually recommend this:
    Utilize a Consolidation Root to preserve the existing namespace
    Ensure LogServerConsolidation is configured on the consolidation server(s).
    Configure a domain based namespace including all the links you wish to
    consolidate with DFS
    Update logon scritps, home drives, etc with the domain based namespace path.
    Monitor the event logs on the consolidation server watching for events from
    dfssvc which will indicate when the old file server paths are used and the
    IP that used it
    Correct any usage of the old path found in the event logs (static drive
    mappings, shortcuts, etc)
    Once the dfssvc events stop showing that the consolidation roots are being
    used, remove them.

    Hope this helps,

    Brian Delaney
    Microsoft Canada

    This posting is provided "AS IS" with no warranties, and confers no rights.
    Brian Delaney [MSFT], Nov 28, 2006
  5. Justin

    Justin Nolan Guest

    That makes a lot of sense to me. I do have a question on step 3: Configure
    a domain based namespace including all the links you wish to consolidate
    with DFS. I want to build the namespace and the links in a way that makes
    the most sense for us. We currently have UNC names that map to drives like
    \\server1\sales, \\server1\marketing, \\server2\engineering which are pretty
    straightforward. When I build my new namespace I assume each of the links
    will be to \\domain\sales, \\domain\marketing, \\domain\engineering, etc. I
    just want to make sure I'm utilizing DFS in the way it was intended before I
    start moving the locations of the files into a newly created namespace.

    Thanks Brian for your help! I greatly appreciate it.

    Justin Nolan, Nov 29, 2006
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