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Unable to Drop Undo tablespace Since Undo Segment is in Needs Recovery (Doc ID 1295294.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.7.4 to 12.1.0.2 [Release 8.1.7 to 12.1]
Information in this document applies to any platform.

Symptoms

 

Dropping a Undo tablespace give message

ORA-01548: active rollback segment

Or

Undo segment shows status as needs recovery

Changes

New Undo tablespace was created and a attempt is made to drop old undo tablespace

Cause

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