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NTFS Permissions and SQL server

I have set upa  new SQL server with individual user accounts for each service.
I also set up seperate folders for the data, logs, temp files  etc.

I am getting permission errors when I remove the LocalMachine/Users group from the ACL on the folders.  I want to lock them down so that only administrators and the sql server service users can access the files.   Does anyone have a list of these?

1 Solution
You must be very careful when removing default Microsoft permissions because of unexpected results.  The defaults for 2005 and 2008 provide the necessary permissions for all SQL Server functionality to work as intended.  Problems from changing those permissions may not be immediately evident until a specific functionality is accessed.

http://msdn.microsoft.com/en-us/library/ms144228.aspx states "During installation, SQL Server will set appropriate ACLs on registry keys and files if it detects NTFS. These permissions should not be changed."

Checkout http://msdn.microsoft.com/en-us/library/ms143504.aspx#Reviewing_ACLs for Microsoft's defined list of permissions.


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