Microsoft Windows

Windows Only: Upgrade to Oracle 18.10.0 fails with ORA-01722

Liron Amitzi reported this on his blog a few days ago already. And it is a very nasty tiny little issue happening with RUs where the second number of the release enters the two-digit-space, such as 18.10.0. At this point, on Windows Only: Upgrade to Oracle 18.10.0 fails with ORA-01722. This happens late in the upgrade phase.

What is the issue?

The problem here is a tiny little piece in %ORACLE_HOME\admin\catupstr.sql – a SUBSTR function is used in a way that it does not take into account a potential two-digit …

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Oracle Database certification on Microsoft Windows 10

The MOS Note: 1307195.1  about

Certification Information for Oracle Database on Microsoft Windows x64 (64-bit)

got updated right before the 2015 Christmas holidays with the official certification information for Oracle Database 12c on Microsoft Windows 10.

And it says:

Windows 10 O/S Information:
RAC is not certified.
The earliest release certified on Windows 10 is


Previous related blog posts from Aug 14, 2015:

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