ORA-00494: enqueue [CF] held for too long (more than 900 seconds) by ‘inst 1, osid 4460’ Error: Following error causing the Oracle instance to crash. Tried some solution on it. Errors in file E:\ORACLE\diag\rdbms\icfisc\icfisc\trace\icfisc_arc2_4388.trc (incident=482225): ORA-00494: enqueue [CF] held for too long (more than 900 seconds) by ‘inst 1, osid 4460’ Incident details in: E:\ORACLE\diag\rdbms\icfisc\icfisc\incident\incdir_482225\icfisc_arc2_4388_i482225.trc … Continue reading ORA-00494: enqueue [CF] held for too long (more than 900 seconds)