ORA-2380 profile ORA_STIG_PROFILE does not exist during upgrade to 26ai

Let us start the week with something I wanted to put on the blog for a long time since I have seen some customers being trapped by this in their 26ai upgrade attempts. If you are not upgrading now, you may ignore this blog post safely. But if you are in the process, please check out what you can do to prevent the…

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AI World 2026: Upgrade, Migration and Patching Sessions

Now it is your task. Mark your sessions for AI World 2026. Currently, the session schedule has been published. But the rooms aren't finalised yet. Why? Because we are counting favorite markers to be able to move sessions with high demand to larger rooms. Below, you find our list of AI World 2026: Upgrade, Migration and Patching Sessions. And it's time to…

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Quick fix for download issues with AutoUpgrade 26.6

As you may have read, we launched the new AutoUpgrade 26.6 a week ago which has so many amazing enhancements such as the EM Patches download. But there may be two other hurdles to jump over, and one of them may prevent you from downloading patches. Let me share a quick fix for download issues with AutoUpgrade 26.6 Weak file permissions will prevent download…

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Take special care on Oracle Text when you migrate with TTS

Transportable Tablespaces or Full Transportable Export/Import are the common techniques you typically use when you are going to migrate larger databases from one operating system to a different one. Usually, a Endianness-change is involved. And very often you will use our M5 scripts to benefit of incremental backups to reduce the downtime. In the past weeks I learned from two customers that you need to…

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Oracle AI Database 26ai isn’t planned for SPARC Solaris and Linux ARM

Some of you have read this already. And others may not be happy about the news. You can read it in MOS Note PNEWS1360: Oracle AI Database 26ai isn't planned for SPARC Solaris and Linux ARM. Other platforms such as IBM AIX, zLinux and MS Windows are expected to be released in calendar year 2027 (CY2027) according to an update to the note.

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New AutoUpgrade version 26.6 is available

Yes, the long-awaited new AutoUpgrade version 26.6 is available for download. Again, a fantastic job by our development team. And I know that many of you were waiting for it already since it has some really cool new features, enhancements - and of course, fixes, too. Download AutoUpgrade As I described already in AutoUpgrade Patching – From Zero to Hero – Part 1: Download AutoUpgrade…

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CPSU on MS Windows conflicts with OJVM for 19.32

Several of you mailed me already, and I tried to sort this out internally at first. We ask you to patch monthly, and it is amazing to see that some of you are ready to do this. It just gets a bit frustrating when you run into an issue such as this one where the CPSU on MS Windows conflicts with OJVM for 19.32…

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Oracle Database 19c is supported on OL/RHEL 10

Many of you did wait for this - and since (I think) two weeks it is official. Oracle Database 19c is supported on OL/RHEL 10. Furthermore, I am going to show you how to find the certifications for Oracle AI Database 26ai since your search attempts may lead to different results depending on the filters you use. How can you look up certification information?

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AI World 2026: Pre-Event Masterclass: Upgrade, Migration and Patching

AI World this year in Las Vegas is going to happen in about 4.5 weeks from now on. In case you'll be there on Sunday (which makes perfect sense this year), you may want to consider signing up at AI World 2026: Pre-Event Masterclass: Upgrade, Migration and Patching. Yes, we are doing it again. A full day of specially curated content - with very little overlap with out talks and labs.

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Are there security fixes included? Which CVEs?

I received multiple questions from colleagues and customers over the past weeks regarding the security content in RUs and MRPs. See also my blog post from yesterday where I touched this topic briefly. The question regarding RUs, MRPS and CSPUs often is: Are there security fixes included? Which CVEs? Release Updates are the primary vehicle As I explained already, …

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Patching recommendations: Which route is the best? RUs, MRPs, n-1??

Be aware, this is a longer Monday blog post. Upfront, I am not the master of patching. And I clearly see that many of you struggle with the current situation. Not only regarding Oracle software but I guess, this extends to almost every software or OS. Since I get asked almost daily about the ideal approach, and since we discuss these topics internally across the tech teams as well, I thought I would share here my personal…

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Why is the fix for bug nnn not included in any RU?

Christian asked this question today. Specifically, in his case for Bug 26749785 - PERF_DIAG: NEED TO HAVE MORE CONTROL IN DICTIONARY FOR AUTO_STATS_ADVISOR_TASK. Several of his customers suffer from this issue, and they repeatedly need to ask for backports or merge patches. I have seen this several times as well. Anyway, he is not only one who asked: Why is the fix for bug…

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GI 19.31 and 19.32: trace file flooding in mgmtca.trc can happen

Thanks to Peter Lehmann who always alerts me about findings and encounters he had in his test and production RAC cluster environments. Peter dropped me an email the other day, and I share his suspicion that this may effect many in the coming weeks operating RAC environments. If you don't have a RAC, you may not see this happening with…

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Upgrade / Migration / Patching Workshops in Warsaw and Prague on Sep 7 and 8

Quick blog post today since we still have a few remaining seats open and available for next week for the Upgrade / Migration / Patching Workshops in Warsaw and Prague on Sep 7 and 8, 2026. Your chance to sign up now and grab your slot. And if you are at POUG, too, then we may meet before already.

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

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…

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How to rollback an MRP

You know, I am not a fan of in-place patching. Actually, I think everyone should always patch out-of-place. But I know that for instance EBS with a 19c database requires in-place patching, and out-of-place will be supported only with 26ai for EBS. Therefore, in relation to an exercise I did over the weekend, let me share how to rollback an MRP.

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More clarifications on RUs, MRPs and CSPUs

There are questions coming in from time to time, and I see that not everything can be always covered in an FAQ document. But we try our best. And sometimes, there are questions even I need to think twice before I answer. Here is the newest for More clarifications on RUs, MRPs and CSPUs. What do you need to read before?

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ORA-600 [] and ORA-8103 errors can happen after TTS Import into 19c

This is not a new finding - and it is a very rare error. But you may only find it days, months or even years after a TTS migration has been completed. You may see a rare corruption issue, and it may sleep in your database. The error pattern would be: ORA-600 [<objdchk>] and ORA-8103 errors can happen after TTS Import into 19c…

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LAOUC 2026: Paraguay, Brazil and Uruguay

In a week from now I should arrive in Asuncion, Paraguay, if all goes well. It it time for the Latin America Oracle User Group tour 2026 - and it has been started already going from north to south. I will participate in three stops at LAOUC 2026: Paraguay, Brazil and Uruguay. And I am looking forward to see you soon.

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New AutoUpgrade version 26.5 is available (plus 26.4)

I totally forgot to announce the 26.4 version of AutoUpgrade. And now, the new AutoUpgrade version 26.5 is available (plus 26.4) already. The AutoUpgrade Development team did an amazing job in shortening the release cycle. This way, we can deliver quick fixes faster to you. When you study the list of enhancements and fixes carefully, some of you will say: Great, this is what I was waiting for.

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Long-Term Release Updates are paused

Since several customers asked me about it, I realized that I have never blogged about LTRUs - and as of now, Long-Term Release Updates are paused. Let me explain what the concept meant, where you can find information about it and what it would mean in your environment. Long-Term Release Update The idea is smart for those customers who can't move forward on Release Updates (RU) as quickly as we recommend it.

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Join us in Bengaluru and Hyderabad for SANGAM 2026

Many of you may have seen the social media posts already. But just in case you were in doubt, please get your ticket asap and join us in Bengaluru and Hyderabad for SANGAM 2026 this weekend. AIOUG (All India Oracle User Group - or more modern, AI Oracle User Group) is organizing the biggest and best Oracle conference in the APAC region with world-class speakers.

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Upgrade to 26ai may hang due to block checking events

This issue is caused by an internal change, and we hit this now with two very large customer upgrades recently. Therefore, I would like to point to a fix, a workaround and the following RU in case you see your Upgrade to 26ai may hang due to block checking events. What would you see? This issue can happen with cloning, PDB refreshable clones or just a copy or restore of your database for the subsequent upgrade to Oracle AI Database 26ai.

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CDB upgrades – explaining catctl_options

When you upgrade your entire CDB with AutoUpgrade, there is a parameter which allows you some tuning or tweaking. And I often see some misunderstanding here. Therefore, for CDB upgrades - explaining catctl_options is my focus today. catctl_options - what it is meant for This AutoUpgrade config file parameter allows you to set specific settings, mostly for tuning, but also to override some defaults.

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AutoUpgrade Patching – From Zero to Hero – Part 4: Download Examples

Let me take off into the 4th part of this blog post series: AutoUpgrade Patching – From Zero to Hero – Part 4: Download Examples. I'd like to show you some of the most common examples and use cases we came across. And of course, I will add some additional (and hopefully useful) information on top. The patch parameter…

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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. Which download? Strange headline - but you'll see what I mean.

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AutoUpgrade Patching – From Zero to Hero – Part 2: MOS Credentials

In this blog post series AutoUpgrade Patching - From Zero to Hero - Part 2: MOS Credentials will be our topic for today. If you are tired of going through MOS notes over and over again to identify the most important fixes and fetch them, you need to automate it. But in order to automate the download, you need to infuse your MOS credentials into the AutoUpgrade keystore.

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How to deal with statistics when you migrate?

Have you done migration projects in the past, or do you have some upcoming projects, and you wonder how you should treat all sorts of statistics in your database? What is the better option? Keep and migrate the existing ones? Regather them right away? A partial-move approach? How to deal with statistics when you migrate? Then this is for you. …

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