FNDCPASS APP-FND-02702: AHM is not a valid oracle user. and other problems

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TASK:
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To amend all oracle application userid passwords in accordance to internal audit requirement / best practice

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ENVIRONMENT:
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R12.1.1

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DOCUMENTATION:
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Oracle® E-Business Suite System Administrator's Guide - Configuration Release 12.1 Part No. E12893-03
http://docs.oracle.com/cd/B53825_04/current/acrobat/121sacg.pdf
11 Oracle E-Business Suite DBA Duties
Oracle E-Business Suite Schema Password Change Utilities................................................ 11-5

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PLAN:
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Use FNDCPASS to change all ORACLE schema passwords

Can't use AFPASSWD since that is introduced within R12.1.2 and doesn't physically exist in my 12.1.1 $FND_TOP/bin anyhow
cd $FND_TOP/bin ; pwd ; ls -lrt *PASS

Plan:
stop application layer
run FNDCPASS apps/<psw> 0 Y system/<psw> ALLORACLE <psw>