RMAN-05542: Only UNTIL TIME can be used with DUPLICATE without TARGET and CATALOG connections

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#  Error
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RMAN-05542: Only UNTIL TIME can be used with DUPLICATE without TARGET and CATALOG connections

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#  Full Error 
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RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 12/12/2012 08:35:35
RMAN-05542: Only UNTIL TIME can be used with DUPLICATE without TARGET and CATALOG connections

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#  Cause
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Error occured while trying to duplicate a database of 11.2.0.1.0 version.

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#  Command Executed
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duplicate database to dup11r2
until scn 3587956
SPFILE
SET CONTROL_FILES='H:\app\Administrator\oradata\DUP11R2\control01.ctl'
set db_file_name_convert='H:\app\Administrator\oradata\ora11g','H:\app\Administrator\oradata\DUP11R2'
set log_file_name_convert='H:\app\Administrator\oradata\ora11g','H:\app\Administrator\oradata\DUP11R2'
backup location 'H:\app\Administrator\backup\ORA11G';

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## Solution
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### 11.2.0.1.0

Here we are doing duplication without connecting to target or catalog database. So we have to use UNTIL TIME parameter.

After changing UNTIL SCN to UNTIL TIME parameter, duplication process was successful.

duplicate database to dup11r2
until time "To_Date('12-DEC-2012 07:40:28','DD-MON-YYYY HH24:MI:SS')"
SPFILE
SET CONTROL_FILES='H:\app\Administrator\oradata\DUP11R2\control01.ctl'
set db_file_name_convert='H:\app\Administrator\oradata\ora11g','H:\app\Administrator\oradata\DUP11R2'
set log_file_name_convert='H:\app\Administrator\oradata\ora11g','H:\app\Administrator\oradata\DUP11R2'
backup location 'H:\app\Administrator\backup\ORA11G';