DISCLAIMER: The information and links provided on this site are my personal notes, based on my limited experience installing, using, and deinstalling Oracle databases and application servers on a variety of computers using Windows NT/2000/XP operating systems. The installation and deinstallation procedures found here can cause irreversable loss of data and may damage your operating system. However, you are welcome to use them AT YOUR OWN RISK. I am in no way responsible for data you lose or operating systems you damage or destroy.
The ias_admin user is the superuser account for the Oracle Enterprise Manager 10g. It is set during installation of infrastructures and middle-tier application servers and is used to log-in to the Enterprise Manager 10g (9.0.4) Control Console and the Web Cache Administration web pages. The procedures for changing the ias_admin password provided in the OracleAS 10g Adminsistrator's Guide for Windows are incorrect. This procedure can also be used if the ias_admin password is lost or forgotten. Below is the correct procedure, as explained in the OracleAS 10g (9.0.4) for Windows release notes: