Steps to Run Autoconfig On R12 Application including both Database and Application Tier

1.  stop Middle  and CM Tier:
a. cd $ADMIN_SCRIPTS_HOME
b. run adstpall.sh

2. Autoconfig on Database tier
a) Source the Oracle Database env
b) cd $ORACLE_HOME/appsutil/scripts/$CONTEXT_NAME
ii. run ADAUTOCFG.SH
iii) Check the autoconfig logfiles for any errors
cd $ORACLE_HOME/appsutil/log/$CONTEXT_NAME

3. Autoconfig on Apps Tier
a) Please source the APPS environment
b) cd $ADMIN_SCRIPTS_HOME
c) run ADAUTOCFG.SH

4. Restart the Middle (APPS) Tier
a. cd $ADMIN_SCRIPTS_HOME
b. run adstrtal.sh