ORA-25502: concurrent ALTER SYSTEM QUIESCE/UNQUIESCE command is running

Cause : There is a concurrent ALTER SYSTEM QUIESCE RESTRICTED or ALTER SYSTEM UNQUIESCE command running in the system.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Contact the database administrator who is responsible for the concurrent command.

update : 23-04-2017

ORA-25502 - concurrent ALTER SYSTEM QUIESCE/UNQUIESCE command is running
ORA-25502 - concurrent ALTER SYSTEM QUIESCE/UNQUIESCE command is running

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