With Product Family ATG version H Roll Up 3 , Oracle Introduced New Option in FNDCPASS which is ALLORACLE to Change password of all Schema provided by Oracle Application products. These are basically below three category password
–These are mainly schema password for products like AP, GL, AR (These are also termed as of mode ORACLE )
–Password for APPLSYS and APPS (Same password for both schema) . This is also called as Apps Password (used during CM startup)
–Password for account APPLSYSPUB

How to change Oracle Applications Products/Schema Password including APPS ?
As most of you might already be aware that you use FNDCPASS utility on Concurrent Manager Node.
FNDCPASS logon 0 Y system/password mode username new_password
Where MODE is SYSTEM/USER/ORACLE/ALLORACLE (Introduced with patch 4745998)

Will ALLORACLE mode change other schema passwords like CTXSYS, MDSYS, PORTAL..,SYS, SYSTEM, SCOTT, Application User like AtulKumar …. ??

No ALLORACLE mode will change only schemas mentioned in paragraph 1 and will not change passwords for schemas like CTXSYS, MDSYS, SYS, SYSTEM…..

Is previous Mode SYSTEM/USER/ORACLE still available with FNDCPASS ?
Yes

How to get ALLORACLE mode in FNDCPASS ?
Apply Oracle Apps patch 4745998

What files to change after changing Apps Password ?
You use FNDCPASS apps/apps 0 Y system/manager SYSTEM APPLSYS WELCOME to change Apps Password
–Once you change apps password you need to change apps password stored in file wdbsvr.app at $IAS_ORACLE_HOME/Apache/modplsql/cfg

–In some instances you might have to change in CGIcmd.dat at $ORACLE_HOME/reports60/server

–You also have to change in any custom concurrent manager start up script (If you have any)

Added on 14th August 2007

–If you have configured E-Business Suite with 10g Application Server SSO/OID then after changing APPS password, update provisioning profile with new apps password

oidprovtool operation=modify \
ldap_host=oid_host ldap_port=oid_port \
ldap_user=”cn=orcladmin” ldap_user_password=password \
application_dn=”orclApplicationCommonName=app_name, cn=EBusiness,cn=Products,cn=OracleContext, dc=realm_name” \
interface_connect_info=db_host_name:oid_port:SID:apps:apps_password

like

oidprovtool operation=modify \
ldap_host=oid1.co.in ldap_port=389 \
ldap_user=”cn=orcladmin” ldap_user_password=welcome1 \
application_dn=”orclApplicationCommonName=VIS11I,cn=EBusiness, cn=Products,cn=OracleContext,dc=co,dc=in” \
interface_connect_info=11i.co.in:1521:VIS11I:apps:apps

after changing Apps password bounce Concurrent Managers.

Related
Following Metalink Notes are useful & related to Oracle Applications or Apps Password
–303621.1 How to Change and Which Apps Database Users Passwords Can Be Changed in a Multi-Node Apps Installation?
–159244.1 How To Use FNDCPASS to Change The Oracle Users, APPS, APPLSYS and Application Module Passwords (INV, AR, AP, etc.) For Applications 11.5 in Unix