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ORA-01804: Failure To Initialize Timezone Information when migrating timezone (Doc ID 2660220.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.2]
Oracle Cloud Infrastructure - Exadata Cloud Service
Information in this document applies to any platform.


This error could occur with any timezone version upgrade when using the scripts in Doc ID 1585343.1. Not limited to the v32 to v34 upgrade example described in this document.


Customer migrated a database from timezone file v32 DB home (Server A) to v34 DB home (Server B).

On the target server B, there are multiple database instances sharing the same Oracle DB home. All of them have the correct v34 when querying v$timezone_file except the newly migrated database:


Existing database instances:

v34 timezone files are present ($ORACLE_HOME/oracore/zoneinfo) with proper permission at server B, :



All other checks in Doc ID 365558.1 are verified with no issue.




Migrated a database from timezone file v32 DB home (Server A) to 34 DB home (Server B).


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