This event appears in the WebSphere SystemOut.log when attempting to do something that requires authorization, such as restarting an application.
SECJ0305I: The role-based authorization check failed for admin-authz operation AdminOperations:configChanged:com.ibm.websphere.management.repository.ConfigRepositoryEvent. The user UNAUTHENTICATED (unique ID: unauthenticated) was not granted any of the following required roles: configurator, administrator, auditor, monitor, deployer, adminsecuritymanager, operator.
Make note of the user that lacks authorization to perform the action. In this example, the user is identified as UNAUTHENTICATED. Check the following.