DFS Pre-existing folders Questions????

Ran Health report.....said there is alot of files that cant be opened due to sharing violation

scrolled down and this...

      Description:      During the initial replication process for replicated folder Company Default, the DFS Replication service identified pre-existing local content that was not present on the primary member and moved the content to D:\Company Default\DfsrPrivate\PreExisting. The DfsrPrivate\Preexisting folder is a hidden system folder that is located under the local path of the replicated folder. Content in the DfsrPrivate\PreExisting folder will not be replicated to other members of the replication group, nor will the content be deleted by the DFS Replication service during any automatic clean-up.
       Last occurred:      Monday, October 21, 2013 at 11:53:49 AM (GMT-5:00)
       Suggested action:      If you want this content to be replicated to other members, move the content into the replicated folder outside of the DfsrPrivate folder. If you want to reclaim this disk space, delete the pre-existing content in the PreExisting folder.


Question:: are users using this information or is this duplicate information that is in the dfs pre existing folder and  somewhere on the namepace these files exist and it is showing that the files are open and therefore cant be replicated??

Question::if users are not using this information then is it safe to delete;;;
Question::if users are using this information then how can i find where this information goes and put it in correct folders??
Question:: how did this all happen so i can prevent it from happening again???

Sorry for newb questions.....thanks for any help!!
westhelpdeskAsked:
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SandeshdubeySenior Server EngineerCommented:
You need to verify the data in the Preexisting folder if the data is required to be replicated you need to move the content into the replicated folder outside of the DfsrPrivate folder.If it is not required then you can delete the same.

For Pre-existing folder, please refer the setp 7 in the following article:http://support.microsoft.com/kb/266679

You also need to check below link
http://blogs.technet.com/b/askds/archive/2007/10/05/top-10-common-causes-of-slow-replication-with-dfsr.aspx

How to Determine the Minimum Staging Area DFSR Needs for a Replicated Folder
http://blogs.technet.com/b/askds/archive/2011/07/13/how-to-determine-the-minimum-staging-area-dfsr-needs-for-a-replicated-folder.aspx

Also installed the required DFSR hotfix which is applicable.
http://support.microsoft.com/kb/958802
http://support.microsoft.com/kb/958802
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westhelpdeskAuthor Commented:
Yes i know thats what the reports said..my problem is i dont get it...how do i determine if i need the data in the pre existing folder???? Thanks for your help!!!
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westhelpdeskAuthor Commented:
was also wondering are users using the files in the Pre-existing folder??? Thanks Again for your help..
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SandeshdubeySenior Server EngineerCommented:
Users will not be acessing the Pre-existing folder.Content in the DfsrPrivate\PreExisting folder will not be replicated to other members of the replication group and will not be deleted by the DFS Replication service during any automatic clean-up. If you would like this content to be replicated to other members please move the content into the replicated folder outside the DfsrPrivate folder.
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