locating and creating file windows 2008 Server R2 using WIndows 10

I feel a l little embarrassed asking this question but  I searched the net for a couple of days with no solution

I created a share on our  windows 2008 Server and and then created a  folder (lets call it Newly Created).
I moved files into this folder from another location and all was fine.
Then another user created 2 folders within that folder( lets call it folder a-m and folder j-z) inside the Newly Created.
I am able to create/delete and edit files on the l-z folder, but the a-m I cannot create a folder in that directory.
I can create a folder in an already created folder within a-m but not a new folder.
j-z folder allows me to change or add/delete anything in that folder.

I am not sure what is happening, I am able to say new folder and it hightlights the text to name it and then it disappears. I actually see the folder get created and see it disappear before being able to rename it.
Few things I have tried, checked permission of folder againt l-z and all match.
Tried different users, doesn't work for a windows 10 user or administrator.
Checked to ensure there is not an invalid character in folder name.
I am at my wits end and need to resolve asap.
thanks
kcassoneAsked:
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loftywormCommented:
Procmon to the rescue

This ms/sysinternals tools is a life saver, and will give detailed information on were files are and what is accessing them.

Also, don't forget to check the SHARE settings as well as the standard security

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loftywormCommented:
Oh, one other thing, after reading a bit more closely, try resetting the inheritance and forcing it on the child objects.  That would address and security issues.
kcassoneAuthor Commented:
ANy good article on how to use?
loftywormCommented:
On how to use procmon?
https://technet.microsoft.com/en-us/sysinternals/bb545027.aspx?f=255&MSPPError=-2147217396

no not really off hand. It is very detailed, so It is a matter of finding the file access you are using and following the thread.

If someone else has one I would read it :)
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Windows Server 2008

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