This message indicates that while initializing in a sysplex group, this instance of Application Performance Analyzer detected that it is running with external security rules in compatibility mode.

Application Performance Analyzer cannot guarantee the accuracy of security authorizations if performs under these conditions. Users might be unintentionally authorized for actions.

It is recommended that an installation's external security system be used in native mode when Application Performance Analyzer is running as part of a sysplex group.

Compatibility mode should only be used temporarily while the installation updates its security rules to use the MVS™ system name instead of the STCid of the Application Performance Analyzer started task as the first node of the resource profile.