Sheldon,

>Tried to set up security and followed step to subclass mmUsersform using "Add Inherited Form" in VS. Got error message,
>
>An exception occurred while trying to create an instance of OakLeaf.MM.Main.Windows.Forms.mmUsersForm. The exception was "A database key must be specified".
>
>My security tables are in the same database, created using MM.net scripts.

You shouldn't have to, but try setting the SecurityDatabaseKey setting in your application config file.

Regards,