Data Access Control (DAC)

The basic method of controlling users’ access to data in the AVEVA base product is by means of the 'teams owning databases' mechanism ‑ only members of the team owning the database have write access to it. This is always the case, but the user can additionally use Access Control Rights (ACRs) to provide a much more sophisticated level of access control. These allow the user to:

• Restrict users’ access to named elements or given element types, or to particular volumes of the model.

• Restrict the type of operation (for example, Create, Modify or Delete) that a user can carry out on elements.

• Restrict which attributes a user can set or change.

• Restricts the users ability to transfer model data during an Output, Export and Copy Function.

The default AVEVA base products access control will apply to the project unless Data Access Control is switched on. Click Data Access Control on the Home tab. Confirm that you want to switch on DAC.

Note:
Once Data Access Control is on, no General users have write access to any elements unless they have set up ACRs giving them access to those elements. Free users always have full access to all elements.

Data Access Control (DAC) can be applied to Update, Multiwrite and Controlled databases.