Remember and use last successful login credentials as parameters to subsequent calls of McDBDatabase.Open.

A Boolean value.  

object.SaveLoginCredentials [= value]

The SaveLoginCredentials Property syntax has these parts:

Secure databases require login negotiation before they can be opened. To facilitate this process, the Database Engine is capable of remembering the last set of login credentials used and automatically passing them on, as necessary, when opening additional databases. The Database Engine adopts this behavior when this property's value is True.