Skip to Content
Skip to Search
Home

No matching results

Try a different search query.

Search Unavailable

We are making updates to our Search system right now. Please try again later.

Sign In Account
Oracle Account

Account

Help

Sign Out
Oracle Account

Manage your account and access personalized content. Sign up for an Oracle Account

Sign in to my Account

Sign in to Cloud

Access your cloud dashboard, manage orders, and more. Free Cloud Platform Trial

Sign in to Cloud

Database Error Messages

Release

Updated

Jan 19, 2026

DCS-10310

Only a container database (CDB) may be upgraded to version 23.26 and later.

Cause

Upgrading a database which is not a CDB is not supported beginning with 23.26.

Action

Convert the database to a CDB before upgrading it.