Unable to Drop Undo Tablespace ORA-30013 (Doc ID 835944.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.1.0.7 [Release 10.2 to 11.1]
Information in this document applies to any platform.
*** Checked for relevance on 12-Apr-2016 ***

Symptoms

Checked for relevance on 30-Jun-2011

1. When trying to drop the undo tablespace , following error occurs :

SQL> drop tablespace UNDOTBS2;
drop tablespace UNDOTBS2
*
ERROR at line 1:
ORA-30013: undo tablespace 'UNDOTBS2' is currently in use

2. You have verified the <Note 341372.1> and does not apply.

3. Run the below queries . Output of one of the queries shows the transactions in 'PREPARED' state.

SQL> SELECT KTUXEUSN, KTUXESLT, KTUXESQN, /* Transaction ID */ KTUXESTA Status,KTUXECFL Flags
FROM x$ktuxe WHERE ktuxesta!='INACTIVE';

SQL>select local_tran_id, state from dba_2pc_pending;
--local_tran_id is a trio combination of USN , Slot , Seq

 

4. You have distributed transactions on your database.

Cause

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