DFSN folder dissapear after a while

On a Windows 2012 Domain Controller we created a new domain based namespace. (2008 Mode).
We created several folders (21).
All folders are automatically created on the root folder of the domain controller (c:\dfsroots), and the folders are visible at all clients too.
After a while (dont know the exact time - could be between 20 minutes and one hour) the folders dissapear at the DFS root Folder.
In the DFS management console all folders are still visible.
If we change eg. the note of the folder - it becomes visible again for a while.

We have neither entries in the event logs nor any other errors somewhere.
We used also a second namespace server for this namespace - but noticed the same behaviour.

We already had this beahouvier some months ago (at our last try to create a namespace).
At least we had to create about five different name spaces until we suceeded in getting a namespace which is
still visible.

Your help is appreciated.
Thanks Heinz
Heinz KernCIOAsked:
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Sajid Shaik MSr. System AdminCommented:
check the configuration step by step..

see this article

http://mizitechinfo.wordpress.com/2013/08/21/step-by-step-deploy-dfs-in-windows-server-2012-r2/

all the best
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Heinz KernCIOAuthor Commented:
Hi
Thanks for the link.
I checked the configuration and created a new namespace folder along your documentation.
But the result is always the same:
The folder disappear from the root directory of the dfs nameserver after a while.

Another ideas ?
Thank you
Heinz
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Heinz KernCIOAuthor Commented:
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Heinz KernCIOAuthor Commented:
KB articles would help
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Windows Server 2012

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