Microsoft has released the second SCCM version for 2025, as the release cadence is now reduced to 1 release per year starting in 2026. The next version will be 2609. SCCM 2509 was released on November 12, 2025. This post is a complete step-by-step SCCM 2509 upgrade guide, so if you want to upgrade your existing SCCM installation to the latest updates, this post is for you.
If you’re looking for a comprehensive SCCM installation guide to building a new server, refer to our blog series, which covers it all.
You won’t be able to install SCCM 2509 if you are running SCCM 2012. Well, that’s an odd phrase! Thank you current branch naming.
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SCCM 2509 is expected to be a baseline version. Once it’s past the early ring stage, it will be available.
At the time of this writing, SCCM 2509 is available in the Early update ring. You must run the opt-in script to see it appear in the console. We’ll cover that in the Installation section.
To install SCCM 2509 as an update, you must have previously installed SCCM 2403 or a later version. If you check for updates in your console and it’s not showing up, continue reading; we’ll describe how to get it using the “Fast Ring” script.
Keeping your infrastructure up to date is essential and recommended. You will benefit from the new features and fixes, some of which can apply to your environment. It’s easier than ever to upgrade since Microsoft has implemented the servicing model directly from the console.
SCCM 2509 includes security and quality updates only. No new features included.
You can consult the What’s new in version 2509 of Microsoft Configuration Manager article for a full list of changes.
Consult the Microsoft website for full list of fixes.
Be sure to apply this update before you fall into an unsupported SCCM version. Read about the support end date of the prior version of the following Microsoft Learn article. The SCCM 2509 version should be supported until June 2027, but it isn’t confirmed yet.
Before installing, ensure you are running a supported Operating System and SQL version. Older SCCM version was giving a warning during the Prerequisite check, but 2509 is giving an error that prevents the installation from continuing.
SCCM 2509 supports only Windows Server 2016+ and SQL 2016 and up.
Downloading and installing this update is done entirely from the console. There’s no download link, the update will appear on your console once the Service Connection Point is synchronized.
If you’re running a multi-tier hierarchy, start at the top-level site in the hierarchy. After the CAS upgrade, you can begin the upgrade of each child site. Complete the upgrade of each site before you begin to upgrade to the next site. Until all sites in your hierarchy are upgraded, your hierarchy operates in a mixed version mode.
Before applying this update, we strongly recommend that you go through the upgrade checklist provided on Microsoft Learn. Most importantly, initiate a site backup before you upgrade.
In this post, we will update a stand-alone primary site server, consoles, and clients. Before installing, check if your site is ready for the update:
The SCCM 2509 update is not yet available for everyone. If you need it right away, you can run the Fast-Ring script, and the update will show up.
Before launching the update, we recommend launching the prerequisite check first. To see the prerequisite checklist, see the Microsoft Documentation
As pointed out on X by Nail Braidy, it seems a newer version of the SQL ODBC driver 18 is needed. The link provided in the Prerequisite checker isn’t the right one. A different link is showing in the log.
Follow this link to get a slightly newer version of the SQL ODBC Driver 18.
This will most likely be fixed by GA release.
We are now ready to launch the SCCM 2509 update. At this point, plan about 45 minutes to install the update.
The whole process took a minute, but the installation begins on the back end.
Unfortunately, the status is not updated in real-time. Use the Refresh button to update the view.
We’ve done numerous SCCM upgrades. Some installations start a couple of minutes after you complete the wizard but we’ve seen some installation starts after a 10-minute delay. Do not reboot or restart any services during this period or your update can be stuck in the “Prerequisite check passed” status. There are actually no officially documented methods by Microsoft to fix that. Patience is the key!
As a previous update, the console has an auto-update feature. At the console opening, if you are not running the latest version, you will receive a warning and the update will start automatically.
After setup is completed, verify the build number of the console. If the console upgrade was successful, the build number will be 9141 and the version is now Version 2509.
The client version will be updated to 5.00.9141.x (after updating, see the section below)
You’ll see that the 2 client packages are updated:
Boot images will automatically update during setup. See our post on upgrade consideration in a large environment to avoid this if you have multiple distribution points.
Our preferred way to update our clients is by using the Client Upgrade feature: (You can refer to our complete post documenting this feature)
To complete SCCM 2509 Upgrade Guide, if you use an availability group, reset the failover configuration to automatic. For more information, see SQL Server AlwaysOn for a site database.
If you disabled database maintenance tasks at a site before installing the update, reconfigure those tasks. Use the same settings that were in place before the update.
You can see our SCCM Client version reports to give detailed information about every client version in your environment. It’s the easiest way to track your client updates.
In conclusion, you can create a collection that targets clients without the latest client version because is very useful when it comes to monitoring a non-compliant client.
Here’s the query to achieve this: (You can also refer to our Set of Operational Collection Powershell Script, which contains this collection)
select SMS_R_SYSTEM.ResourceID,SMS_R_SYSTEM.ResourceType,SMS_R_SYSTEM.Name,SMS_R_SYSTEM.SMSUniqueIdentifier,SMS_R_SYSTEM.ResourceDomainORWorkgroup,SMS_R_SYSTEM.Client from SMS_R_System where SMS_R_System.ClientVersion != '5.00.9141.1011'
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