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ORA-1548 Dropping UNDO Tablespace Distributed Transaction Pending:Prepared / Dead (Doc ID 1321093.1)

Last updated on NOVEMBER 28, 2024

Applies to:

Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

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

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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