How should I configure secuity permissions on a network with mix of Full MS Access program users and runtime viewer users. Should all have write ?

Microsoft Access file locking.
Tim DawsonIT ManagerAsked:
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PatHartmanCommented:
Because Access manages record locking by creating an .laccdb (lock file) in the same folder as the database, EVERY user MUST have CRUD - Create, Read, Update, Delete permissions to the folder that holds the BE.  If the user does not have Create permissions and he is the first user to open the database so that the lock file doesn't already exist, he will be given read only access.  If the lock file already exists, Access will log him into the existing file if the user has Update permission.  Same thing happens on the back end.  If the last user to close the app has Delete permissions, the .laccdb file is deleted when the BE closes but if the user does not have delete permissions, the lock file is just left there abandoned.

So the short answer is YES, give all users CRUD permissions.

If you want to protect the BE, put it in a folder that only the developer can "see".  The developer links the tables so that Access can see them but the user cannot navigate to that directory to copy the BE or delete it.
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Tim DawsonIT ManagerAuthor Commented:
Perfect.   Thank You
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