can't enroll in Windows Insider Program because the "send optional diagnostic data" button won't turn on

Question

can't enroll in Windows Insider Program because the "send optional diagnostic data" button won't turn on

jdovi24 0

I'm trying to enroll in the windows insider program but when I go to turn on the button for "send optional diagnostic data" it just turns on and off right away with no error message. Using windows version 26H2 build 26300.9818

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Answer accepted by question author

Norah-L 13,605 Microsoft External Staff Moderator

Hello jdovi24,

This may also happen when a Windows diagnostic service was disabled by a privacy or optimization tool. Press Windows + R, enter services.msc and check Connected User Experiences and Telemetry. If it is stopped or disabled, set it to Automatic, start it, and restart the computer.

Please also install any pending Windows updates, since an outdated or incomplete build can sometimes interfere with Insider enrollment. If the switch still immediately turns off, consider repairing Windows through Settings > System > Recovery > Fix problems using Windows Update > Reinstall now. This reinstalls the current Windows version and repairs system components while preserving personal files, installed apps, and settings. Keep the PC connected to power and the internet throughout the process.

Have you used any privacy, debloating, telemetry-blocking, or system-tuning tool on this PC? If so, try restoring its Windows telemetry settings to their defaults, then restart the PC.

Norah-L 13,605 Reputation points Microsoft External Staff Moderator

2026-11-11T07:43:50.6733333+00:00

Hi jdovi24,

Just a gentle follow‑up here. Please let me know if you’ve made any progress or need additional guidance.
jdovi24 0 Reputation points

2026-11-11T15:25:16.49+00:00

This worked perfectly (re-enabling connected user experience), thank you!
Norah-L 13,605 Reputation points Microsoft External Staff Moderator

2026-11-11T23:50:17.99+00:00

Dear jdovi24,

I'm so glad to hear that your issue has been resolved.

If my answer was helpful, I'd appreciate it if you could click Yes to mark my answer as accepted. This will also help other users with similar issues find the solution more easily.

Have a great day!

1 additional answer

Your answer

Norah-L 13,605 Reputation points Microsoft External Staff Moderator

2026-11-11T07:43:50.6733333+00:00

Hi jdovi24,

Just a gentle follow‑up here. Please let me know if you’ve made any progress or need additional guidance.
jdovi24 0 Reputation points

2026-11-11T15:25:16.49+00:00

This worked perfectly (re-enabling connected user experience), thank you!
Norah-L 13,605 Reputation points Microsoft External Staff Moderator

2026-11-11T23:50:17.99+00:00

Dear jdovi24,

I'm so glad to hear that your issue has been resolved.

If my answer was helpful, I'd appreciate it if you could click Yes to mark my answer as accepted. This will also help other users with similar issues find the solution more easily.

Have a great day!

Answer 1

For Windows Insider Preview builds, Send optional diagnostic data must stay enabled. If the toggle turns itself back off, use this path:

Open Settings > Privacy & security > Diagnostics & feedback.
Turn Send optional diagnostic data to On.
Restart the device.
Go to Settings > Windows Update and try again.

If the setting cannot stay on, the most likely cause is that the device is being controlled by a policy. On managed devices, Windows can show that some settings are hidden or managed by an organization.

Check whether a policy is enforcing diagnostic data:

If the device is managed by work or school, the setting may be controlled centrally.
On Windows 11, the relevant Group Policy path is: Computer Configuration > Administrative Templates > Windows Components > Data Collection and Preview Builds > Allow Diagnostic Data
That policy must be Enabled with Send optional diagnostic data selected.

If the device is intended to be enrolled in Windows Insider for Business, telemetry must be set to 2 or higher.

To enroll after the setting is fixed:

Go to Settings > Windows Update > Windows Insider Program.
Select Get started.
Link the Microsoft account used to register.
Choose an Insider channel.
Accept the terms.
Restart when prompted.
Return to Settings > Windows Update and select Check for updates.

Note: changing policy settings affects device diagnostics behavior. If the device is organization-managed, coordinate with the administrator before changing it.

References: