Windows 11 26H2 (26300.x builds) is now generally available, and at first glance this looks like one of the easier Windows feature updates we’ve had in a while.

For organizations already running Windows 11 24H2 or 25H2, Microsoft says 26H2 uses the same servicing foundation and can be delivered to eligible devices through a small enablement package instead of a traditional full operating system upgrade.

That sounds like an easy win.

But easy to install doesn’t mean you should simply push it to every device tomorrow.

Here’s what I think IT pros should look at before starting their Windows 11 26H2 rollout.

What makes Windows 11 26H2 different?

The biggest difference isn’t really 26H2 itself. It’s how Microsoft is servicing Windows.

Windows 11 24H2, 25H2 and 26H2 share the same servicing foundation. Many of the features associated with 26H2 have therefore already arrived on devices through normal monthly updates. The 26H2 enablement package activates selected functionality and moves the device onto the new release lifecycle.

For IT departments, that potentially means:

• Less disruption to users
• A smaller feature update
• Less validation work than with a traditional OS upgrade
• The same familiar update management tools

Microsoft describes the update as requiring a single restart in most scenarios for eligible 24H2 and 25H2 devices.

That makes 26H2 interesting for anyone managing Windows through Microsoft Intune.

Don’t confuse “enablement package” with “no testing needed”

This is the part where I’d still be cautious.

Even when the underlying Windows platform hasn’t dramatically changed, the state of the device after upgrading can change.

Microsoft specifically notes that 26H2 enables capabilities for commercial organizations that had previously been controlled through temporary commercial controls.

For example, Windows settings backup is enabled by default on eligible commercial devices, although Microsoft says existing administrator-configured policies continue to be respected.

So my recommendation remains the same:

Don’t deploy a Windows feature update everywhere at once just because Microsoft made the upgrade easier.

Use deployment rings.

A simple rollout model

For a typical Intune-managed environment, I like keeping the rollout understandable.

Ring 0, IT devices

Start with devices used by:

• IT administrators
• Endpoint engineers
• Support engineers
• People who can recognize and properly report an issue

The goal isn’t just checking whether Windows boots.

Test things such as:

• VPN
• Microsoft 365 Apps
• Teams
• OneDrive
• Printers
• Windows Hello
• BitLocker
• Conditional Access
• Defender for Endpoint
• Business-critical applications
• Drivers and docking stations

Ring 1, Pilot users

Next, select users from different departments and hardware models.

Don’t make the classic mistake of testing only on ten identical Surface devices sitting in IT.

You want variation.

Ring 2, Early production

Once the pilot group looks healthy, move to a larger part of the organization.

This is where you start validating the deployment at a more realistic scale.

I would use this ring to:

• Include a larger mix of users and devices
• Monitor update installation and device health
• Watch support tickets for unexpected issues
• Check application and driver problems
• Verify compliance and security policies still apply correctly
• Pause the wider rollout if something unexpected appears

The important difference from the pilot ring is scale. The update has already passed technical testing, but you still haven’t exposed the entire organization.

Ring 3, Broad production

Finally, deploy Windows 11 26H2 to the remaining eligible devices.

At this point you should already have confidence from the previous three rings, but broad deployment doesn’t mean you’re finished.

Continue monitoring:

• Update failures
• Devices stuck on an older Windows version
• Non-compliant devices
• Driver problems
• Application issues
• Defender health
• User-reported problems

The goal isn’t simply to get every device onto 26H2.

The goal is to get every eligible device onto 26H2 without creating unnecessary disruption for the business.

For example:

If something behaves differently under 26H2, you want to discover it before hundreds or thousands of endpoints have made the jump.

Check your Intune policies first

Before deploying 26H2, I’d review at least:

• Windows Update rings
• Feature update policies
• Driver update policies
• Security baselines
• Settings Catalog policies
• Compliance policies
• Endpoint Security policies
• Any existing Windows version filters

This last one deserves some attention.

I’ve seen environments where perfectly good deployment designs eventually break because somebody created a dynamic group, assignment filter or script years ago that checks for a specific Windows build or version.

Windows gets upgraded, but the forgotten logic doesn’t.

26H2 also brings new management resources

Microsoft has already published updated resources specifically for organizations evaluating 26H2, including:

• Windows 11 26H2 security baseline
• 26H2 Administrative Templates
• Group Policy Settings Reference
• Windows 11 26H2 update history
• Windows release health information

These are worth checking before moving your production devices.

In particular, compare your existing security configuration against the new baseline rather than blindly importing a new baseline and assigning it to production.

A security baseline should be evaluated, not simply deployed.

Intune itself is changing too

There is another reason this is an interesting moment for endpoint administrators.

Microsoft continues to change how Intune delivers software and configuration.

In the September 2026 Intune service update, for example, Microsoft introduced faster Win32 application delivery using push notifications for administrator-initiated and service-side changes. Devices can check in sooner after app changes rather than just waiting for the normal polling cycle.

Microsoft has also announced Intune deployments in public preview, designed to gradually roll out applications and device configuration policies to Windows devices using deployment rings.

It shows where modern Windows management is heading:

controlled, observable and gradual deployment instead of “assign to All Devices and hope for the best.”

And Windows Autopatch gets more interesting

There’s also an important Windows Autopatch change coming.

Microsoft says that starting October 15, Autopatch will provide more granular control over Windows quality updates, including individual approval of monthly security, non-security and out-of-band updates.

Microsoft also says updated reporting will provide visibility into approval, applicability, installation progress and deployment status.

For organizations already using Intune and Autopatch, this is something I’d definitely investigate.

It moves update management closer to the question administrators actually want answered:

“Which update is installed on which device, and where is something going wrong?”

Rather than simply:

“I assigned the policy.”

Those are two very different things.

My approach to 26H2

If I were preparing an Intune environment today, my checklist would look something like this:

1. Inventory

Know exactly how many devices are running each Windows version.

2. Check compatibility

Identify hardware, drivers and business applications that require additional validation.

3. Review Intune

Look for policies, filters, scripts or groups with version-specific dependencies.

4. Build a small IT ring

Get 26H2 onto devices belonging to people who can properly troubleshoot problems.

5. Expand to pilot users

Include different departments, device models and working scenarios.

6. Monitor

Don’t measure deployment success purely by whether the update was assigned. Look at whether it actually installed and whether the endpoint remains healthy.

7. Roll out broadly

Only after the first groups give you confidence.

Final thoughts

Windows 11 26H2 looks like a relatively straightforward feature update for organizations already running 24H2 or 25H2.

And that’s good news.

But I wouldn’t use the enablement-package approach as an excuse to skip proper deployment practices.

If anything, feature updates becoming easier means we can spend less time fighting the upgrade mechanism and more time building a proper deployment process around it.

Inventory. Pilot. Monitor. Expand.

The technology behind Windows Update has changed considerably.

Our deployment strategy should change with it.

Important note:

If you’re still running 24H2, end of support is October 13th 2026 for Pro, October 12th 2027 for Enterprise

Sources & more info:

• Microsoft, What’s new in Windows 11 version 26H2
• Microsoft, What’s new in Microsoft Intune
• Microsoft Windows IT Pro Blog, September 2026