I have a problem adding files to previously shared folders. If I set up a new share, the files already in the folder can be shared perfectly. But if I add a new file to this folder, the file cannot be copied or accessed over the network. I can unshare and reshare the folder and then everything works great. I am using Windows XP SP2 with all the latest updates. Any help would be greatly appreciated.
I have never seen this occur as a result of share permissions. I have seen problems similar to this as it relates to the NTFS permissions on a file system and the inheritance of permissions not functioning correctly. This can be modified by bringing up the Advanced Security Settings Screen (in Windows XP/2003 right click the folder in question, select "Sharing and Security", click the Security tab then click the Advanced button) and check the "Inherit from parent the permission entries that apply to child objects" check box.
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For more on file and folder sharing:
- Checking access permissions with Server Share Check
Windows Server security permissions can get confusing. Contributor Brien M. Posey explains why NTFS permissions are better than share level permission and how to check permissions with Server Share Check.
- Managing folders and files on a network share
Windows hardening expert Jonathan Hassell gives a step-by-step analysis of problems you may experience when trying to prevent users from deleting and moving files on a network share.