Where is Administration Server Component in R12 EBS

Pre-11i & 11i DBA's now say goodbye to Administration Server component.Administration Server in R12 is now a history or the right way to say "Obsolete".

There no such component in R12 Architecture and by default any application tier node used to perform the below operations.

Apply DB patches to Apps: In Oracle application most of the time you will observe in most of the patches consists of files and scripts that update the file system and DB objects. To apply these patch (i.e, which includes cumulative and minipacks and maintenance packs patches). You use adpatch utility (also called AutoPatch utility) to perform any updates.

Maintain Apps:AD Administration Utility (adadmin) require maintenance to optimize system performance and enables you to perform other file system and database maintenance tasks.