ORA-00304
3 November 2009
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ORA-00304: requested INSTANCE_NUMBER is busy
Cause: An instance tried to start by using a value of the initialization parameter INSTANCE_NUMBER that is already in use.
Action: Either a) specify another INSTANCE_NUMBER, b) shut down the running instance with this number c) wait for instance recovery to complete on the instance with this number.
Google Search: ORA-00304
DB Error Code: ORA-00304












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