Hello Shahin,
Thank you for your question and for reaching out with your question today.
This behavior could be attributed to a combination of factors:
- If inheritance is enabled, permissions from higher levels might propagate down to this folder, granting users additional access.
- Share Permissions and NTFS Permissions work together. Even if the NTFS Permissions are set to "Read," the Share Permissions might allow users to create files and folders.
- Double-check the group memberships of the users who are able to create files and folders. Even if they aren't in AD groups with access to the root folder, they might be in other groups granting the necessary permissions.
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