Install

Can I apply an RU to a home with an MRP?

Posted on September 2, 2026 by Mike.Dietrich Patch Recommendation 0

This question came up by a customer, and it was referring to the FAQ MOS note for MRPs. In brief, it was stated that you could apply a higher RU into a home where an MRP up to MRP3 had been installed in the previous home. So the question raised to me was: Can I apply an RU to a home with an MRP as it was mentioned in the FAQ document?

Can I apply an RU to a home with an MRP?

Photo by Liana S on Unsplash

Which note, and what’s the statement?

The FAQ2283 – Introducing Monthly Recommended Patches (MRPs) and FAQ stated the following under Q18:

Q18:

AutoUpgrade Patching – From Zero to Hero – Part 3: Download Patches

You completed Part 1 and Part 2 of this blog post series already? Then you are ready for AutoUpgrade Patching – From Zero to Hero – Part 3: Download Patches. Let us start simple, and then increase the scope to fetch the patches for various operating system platforms in your local patching folder.

AutoUpgrade Patching - From Zero to Hero - Part 3: Download Patches

Which download?

Strange headline – but you’ll see what I mean. At first, we need to clarify the various download options for patches.

Download patches directly from MOS/ARU by yourself
This usually means that you go to the various MOS notes, such as KB106822 /

Grid Infrastructure: Bye Tomcat – welcome Micronaut

Posted on May 19, 2026 by Mike.Dietrich Installation OCW Oracle AI Database 26ai Oracle Database 19c 8

Anil Nair wrote it in his MAA Blog Post on April 28: “Oracle is simplifying the software stack by replacing Apache Tomcat application server with Micronaut framework.”. And since some of you asked already, let me give you a bit more information about this change in 19.30 and 19.31 with Grid Infrastructure: Bye Tomcat – welcome Micronaut.

Grid Infrastructure: Bye Tomcat - welcome Micronaut

Photo by Hayrullah Gozcu on Unsplash – and I know, the jet in the picture isn’t an F-14 Tomcat 🙂

It happens automatically

At first, no action is needed from your side. This behavior change happens automatically.

It is the …

It’s there – Oracle AI Database 26ai is available for download

Posted on January 27, 2026 by Mike.Dietrich Oracle AI Database 26ai 33

This was a long wait – and finally, it’s there – Oracle AI Database 26ai is available for download on-prem. And as you may remember our announcement from Oracle AI World, Oracle AI Database 26ai replaced Oracle Database 23ai.

Photo by John Tuesday on Unsplash

What is available?

You can download now the Linux version of Oracle AI Database 26ai Enterprise Edition, 23.26.1.0.0, from the usual sources as a Gold Image include the RU or as a separate RU.

Besides the 23.26.1 database release, you …

The October 2025 Release of AutoUpgrade (25.6) is available

Posted on October 23, 2025 by Mike.Dietrich AutoUpgrade 9

It’s October – and while the leafs keep falling on the northern hemisphere, the October 2025 Release of AutoUpgrade (25.6) is available. Get it now – and find the list of features and fixes below.

Photo by Louise Pilgaard on Unsplash

How to download it?

As usual, that’s very simple. You either download it via the well-known

MOS Note: 2485457.1 – AutoUpgrade Tool

or you fetch it directly from oracle.com with curl, wget or by just clicking on the big button.

What’s new?

Again, a lot. 25.6 release has a significant and important number of enhancements. It includes the …

AutoUpgrade 24.8 has been released adding MS Windows patching support

Posted on November 26, 2024 by Mike.Dietrich AutoUpgrade 8

Our developers are amazing. And you may have felt this the past months. In September for OCW2024 we released AutoUpgrade 24.6 with the new patching ability, in October we then released 24.7 improving it significantly and fixing issues based on the first tests, and now in November 2024 AutoUpgrade 24.8 has been released adding MS Windows patching support. Of course, there’s more in AutoUpgrade.

AutoUpgrade 24.8 has been released adding MS Windows patching support

Photo by Tadas Sar on Unsplash

How to download AutoUpgrade 24.8

Not only can you download the newest AutoUpgrade and its previous versions from MOS Note:2485457.1 – Download AutoUpgrade but as I wrote a …

Simple database installation with applyRU and applyOneOffs

Posted on May 17, 2022 by Mike.Dietrich Installation Patch Recommendation 33

Some of you may remember my blog post from April 22, 2021 about issues I saw with the unattended installation using applyRU and applyOneOffs switches. The installation failed with a strange jox error when I passed on the OJVM bundle to my installation queue. But there is relief – finally, after almost one year. So let me give you some background, and of course show you the workaround for the Simple database installation with applyRU and applyOneOffs.

Simple database installation with applyRU and applyOneOffs

Photo by Xan Griffin on Unsplash

What has happened?

A longer while ago, we introduced the very convenient ability to install patches …

Install and Patch in one single action with OUI

Posted on July 28, 2020 by Mike.Dietrich Installation Patch Recommendation 43

This is such a common case: You want to install a new Oracle Home and you’d like to apply the most recent patch bundle to it as well. But as we don’t officially offer Gold Images to download where the RU is included already, you have to do three tasks instead of one. But you can avoid this and Install and Patch in one single action with OUI.

Install and Patch in one single action with OUI

Photo by Samuel Sianipar on Unsplash

Recommendation and 3 standard actions

We always recommend that you apply the most recent RU. Hence, usually you will download Oracle Database 19.3.0 from …

Patching all my environments with the July 2020 Patch Bundles

Posted on July 15, 2020 by Mike.Dietrich Patch Recommendation 26

Quarterly routine: When the new security alert get published, then it is patching time again. I’ll show you as usual how Patching all my environments with the July 2020 Patch Bundles works. And I heard your comments – in the next round in October, I will do this for GI and OJVM most likely, too. If not earlier …

Patching all my environments with the July 2020 Patch Bundles

Photo by Piron Guillaume on Unsplash

And just an important annotation upfront: I patch in-place due to space issues. But in reality, you please patch always out-of-place with a separate home.

Security Alert July 2020

This is the Security Alert for …

Oracle 18.4.0 installation on AIX may fail with ORA-40238

Posted on December 20, 2018 by Mike.Dietrich Installation 0

Oracle 18.4.0 for IBM AIX is available since mid November 2018. But I’ve received several emails from people saying that Oracle 18.4.0 installation on AIX may fail with ORA-40238. And it’s true, this can happen. But there’s a simple workaround which unfortunately is not in the documentation yet. We’ll take care that it will be added soon.

Oracle 18.4.0 installation on AIX may fail with ORA-40238

First of all, this is an error pattern you may see on IBM AIX only. You may receive the following error message either during installation or startup of ASM or any …

Install components in Multitenant ALWAYS with catcon.pl

Posted on March 2, 2017 by Mike.Dietrich Single-/Multitenant 11

I did blog several times about how to remove an unwanted component from a database. But yesterday I came across this interesting scenario worth a blog post.

Upfront information – 2026

Dear Reader,

this blog post is from 2017 when Multitenant was relatively new, and when not all tools were really comfortably aligned yet.

Nowadays, almost 10 years later, I typically use DBCA to add missing options to PDBs. Since I wrote this blog post in 2017, I actually did not use a manual method anymore. And I did not verify the procedures again due to time constraints.

My …

Install

Can I apply an RU to a home with an MRP?

Which note, and what’s the statement?

AutoUpgrade Patching – From Zero to Hero – Part 3: Download Patches

Which download?

Grid Infrastructure: Bye Tomcat – welcome Micronaut

It happens automatically

It’s there – Oracle AI Database 26ai is available for download

What is available?

The October 2025 Release of AutoUpgrade (25.6) is available

How to download it?

What’s new?

AutoUpgrade 24.8 has been released adding MS Windows patching support

How to download AutoUpgrade 24.8

Simple database installation with applyRU and applyOneOffs

What has happened?

Install and Patch in one single action with OUI

Recommendation and 3 standard actions

Patching all my environments with the July 2020 Patch Bundles

Security Alert July 2020

Oracle 18.4.0 installation on AIX may fail with ORA-40238

Oracle 18.4.0 installation on AIX may fail with ORA-40238

Install components in Multitenant ALWAYS with catcon.pl

Upfront information – 2026

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