Every QMF user needs a user profile. Under restricted QMF enrollment, if a user profile with a matching creator does not exist, then the user cannot start a QMF session. With open QMF enrollment, if a user profile with a matching creator does not exist, then QMF will look for a user profile with a creator equal to SYSTEM. A session can begin only if a profile is found. With open enrollment in effect, every user has access to the SYSTEM profile, giving every user potential access to QMF.
It is possible for a site to have open and restricted enrollment. The hierarchy of searches is:
Environment and creator are used to identify a profile entry.
The User Profile Facility makes it easy for you to support full restricted enrollment. This will ultimately help you achieve better control over your QMF environment.