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.
When changing the configuration of OracleAS 10g (9.0.4) middle-tier components, it is good practice to update and resync the infrastructure's metadata repository.
D:\OraHome1\dcm\bin>dcmctl updateconfig -ct opmn -v -d
D:\OraHome1\dcm\bin>dcmctl resyncinstance -v -d
Current State for Instance:infra_904.foo.bar.com
Component Type Up Status In Sync Status
================================================================================
1 HTTP_Server HTTP_Server Up True
2 OC4J_SECURITY OC4J Up True
3 home OC4J Down True(Disabled)