Why only some AD users can log in to OBIEE 12c or OAS (User/Group Base DN, sAMAccountName attributes and filters), and how to check the settings with ldapsearch and fix them.
OBIEE and OAS with Active Directory: When Only Some Users Can Log In Read Post »
Record the client IP (Extended access.log) and the failed user ID (Auditing provider) for OBIEE 11g and 12c logins, and match the two by time, with real log examples.
Tracking Failed OBIEE Logins: Client IP and User ID in WebLogic Logs Read Post »
Add the WebLogic Auditing provider, set severity and log location, turn on configuration auditing, and extract BEA-1599xx audit messages, checked against WebLogic 12.2.1.4 and 14.1.2 docs.
WebLogic Auditing: Track Changes with an Auditing Provider and Configuration Auditing Read Post »