WIndows Server DFS Conflicts

Our existing setup is three Windows 2008 servers all on the same domain connected over VPN and using DFS for file sharing/synchronization.
We'd like to add a Server 2012 R2 to the setup.  It has been joined to the domain and the DFS and replication of all files occurred without problem.  After a few days we noticed files we disappear shortly after being saved.  A user would work on an existing file, save it, and a few minutes later it would disappear from all servers.  We could find it in the ConflictsandDeleted folder on the 2012 server.  
The error logs aren't  helping us.  Any ideas as to why this could be happening?
keystonetechAsked:
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becraigCommented:
I am thinking your staging quota might be at fault here (I could be wrong)
If a staging folder quota is configured to be too small, DFS Replication might consume additional CPU and disk resources to regenerate the staged files. Replication might also slow down, or even stop, because the lack of staging space can effectively limit the number of concurrent transfers with partners.

Take a look at the link below:
http://msdn.microsoft.com/en-us/library/cc754229.aspx
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MaheshArchitectCommented:
What happening here is you might have set 2012 server as primary replica where as file is actually initially stored on 2008 servers and in that case files should be moved to Conflictsanddeleted folder

Ensure that 2008 server set as primary replica

If its not, you need to remove DFS replication group and recreate again with 2008 server as primary replica with bi-directional replication.
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keystonetechAuthor Commented:
The staging folder has been increased on all servers without effect.

The 2008 server was the primary on the original setup and sync has completed to all servers with a full mesh replication.

The problem has been narrowed down to only AutoCAD files.  I've read some reports that say AutoCAD is not supported by DFS but we have used it for years with the existing setup.  It was not an issue until the 2012 server was added.
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keystonetechAuthor Commented:
Software incompatible and not supported by manufacturer.  Server downgraded to 2008 R2.
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keystonetechAuthor Commented:
No solution possible.
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Windows Server 2012

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