Preupgrade utility fails with error "SEVERE: ERROR - Cannot process preupgrade on the database.The database must be in any of the following modes:"READ WRITE or READ ONLY"
(Doc ID 2438503.1)
Last updated on JULY 06, 2021
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199.0 [Release 12.2 to 18]
Information in this document applies to any platform.
1)While upgrading to 12.2,Pre-Upgrade,the following errors are seen -
ERROR - Cannot process preupgrade on the database
The database must be in any of the following modes:
"READ WRITE or READ ONLY"
If it is opened in READ ONLY mode then the DBMS_PREUP package must have been created before.
Also please keep in mind that the database must be exclusively in OPEN status.
Following would be the error from DBUA-
DBUA trace.log contains the following lines-
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