DBUA Hanging at 'Fetching Database Information' During Upgrade from 12c to 19c
(Doc ID 3051966.1)
Last updated on JANUARY 28, 2025
Applies to:
Oracle Database - Enterprise Edition - Version 12.2.0.1 to 19.24.0.0.0 [Release 12.2 to 19]Oracle Cloud Infrastructure - Database Service - Version N/A to N/A [Release 1.0]
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A to N/A
Information in this document applies to any platform.
Symptoms
Announcement
DBUA is officially desupported in Oracle 23ai. This is reflected in the Oracle documentation and AutoUpgrade MOS Note 2485457.1 along with a warning message to alert customers who execute DBUA or manual upgrade methods. AutoUpgrade is the official and only supported method of upgrade.
Note: DBUA for "RAC on Windows" is supported only for the short term until this functionality is available in AutoUpgrade.
Further information on how to use this Tool is documented in Note 2485457.1, Oracle 19c documentation and Oracle 23ai documentation.
To get latest version of AutoUpgrade Tool refer Note 2485457.1Reference : AutoUprade Blog
Upon starting DBUA, the process halts and does not advance to the next step. After selecting the database for the upgrade, the screen shows 'Fetching Database Information,' but it does not proceed beyond this point.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |