Need Help, DFS Replication only replicating text files, why ?

I'm having an issue with DFS Replication,  I have replication working properly between 5 servers for a group that was setup in the past.

I setup a new replication group between 2 servers one DC and one regular server,  and all events and diagnosis point that everything is working properly but the following is happening:

1 - Tested by putting a text file on the sending member and file replicated properly.
2- Tried putting JPEG Image file and the file is stuck in backlog not copying.

After several tests I concluded the replication group is only replicating text files and is not related to file size,  I copied a 20 KB text file fine but a  10 KB picture won't copy,  I checked the filters and is setup as default,  staging size is also properly set.

I don't understand why I can only replicate text files.

Any suggestions ?

Thanks,
Omar UrenaSystems AdminisitrorAsked:
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MaheshArchitectCommented:
check if files has set temporary attribute on them, in that case DFSR refuse to replicate those files
U need to remove temp attribute..
http://dille.name/blog/2015/06/09/dfs-replication-chokes-on-temporary-file-attribute/

what is happening if you create new doc or any other extension file, would DFSR replicate it?
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Omar UrenaSystems AdminisitrorAuthor Commented:
Hi Mahesh,

Thanks for the response,  I already checked,  files don't have temporary attributes,  basically if I put a text file of 1 KB and a picture JPEG of 1 KB only the text file gets replicated,  also shortcuts and empty folders.  But no other type of file replicates regardless of file size,  and there is no filter setup.

Any other thoughts ?

Thanks,
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MaheshArchitectCommented:
check DFSR event logs if you found any replication stoppage events
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Omar UrenaSystems AdminisitrorAuthor Commented:
I don't have much there, no events since the initial replication was successful,  and that only shows on the receiving member.  I have less on the sending/primary member.  Anyway I can find out why these files stay in backlog ?  I can't find any logs that would tell me why and again don't see any errors.

Thanks,
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MaheshArchitectCommented:
can you run dfsr replication diagnoser?
http://www.askme4tech.com/how-can-monitoring-dfs-replication-windows-server-2012

also make sure on all DFSR servers filter is showing same values, if AD replication has any problems, it might possible that filter exists some where
https://social.technet.microsoft.com/Forums/windowsserver/en-US/324eddf1-2ca6-4a54-8061-40c58faf94c2/filtering-dfs-replication?forum=winserverfiles

Do you have configured any FSRM block rules on DFS file servers which actually restrict file copying?
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Omar UrenaSystems AdminisitrorAuthor Commented:
Adding:  I think this issue is realted to Sophos protection.  I disabled it and I'm seeing replication working now. Trying to figure out how to allow DFSR to work through sophos now.  I will post again once I have more answers.  Thanks.
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Omar UrenaSystems AdminisitrorAuthor Commented:
This was resolved.  Sophos protection has a feature that wasn't allowing the files to replicate (Feature name: cryptoguard ransomware protection).  Working with them to try to solve this without turning off the feature.

Thanks all.
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Omar UrenaSystems AdminisitrorAuthor Commented:
Was able to find the answer myself. Closing question.
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Distributed File System Replication (DFSR)

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