ORA-1548 Dropping UNDO Tablespace Distributed Transaction Pending:Prepared / Dead
(Doc ID 1321093.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 9.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 21-Jul-2017***
After creating a new Undo Tablespace, you are trying to drop the old Undo Tablespace and are getting the following error:
ORA-01548: active rollback segment '_SYSSMU51$' found, terminate dropping
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