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Fix Endpoint DLP Popups and Alerts Not Working on Windows 11
Question details
Users are unable to see popups or compliance alerts from Endpoint Data Loss Prevention when handling sensitive content.
- Product
- Endpoint Data Loss Prevention
- Device & OS
- Windows 11
- Scenario
- Triggering DLP policies by copying, pasting, or printing sensitive content on a Windows 11 device.
- Observed behavior
- Endpoint DLP popups and compliance alerts fail to display, and actions like copying or printing may not be blocked.
Ensure your Windows 11 device has an active internet connection and that you have administrator access to the Microsoft 365 compliance portal to check policy configurations.
Enable and Update Microsoft Defender Antivirus
Endpoint DLP relies on Defender components to detect and enforce policies; ensuring it is active usually resolves alert issues.
Microsoft Defender for Endpoint and Endpoint DLP are closely integrated. If Windows Defender Antivirus is disabled or out of date, DLP may fail to detect policy violations like printing, pasting, or copying sensitive content, resulting in missing popups and alerts in the compliance portal.
Click the Start menu on your Windows 11 device, type 'Windows Security', and open the application.
Navigate to 'Virus & threat protection' and ensure the real-time protection service is turned on.
Scroll down to the 'Virus & threat protection updates' section and click 'Check for updates' to ensure you have the latest security definitions.
Verify Policy Scope and Device Onboarding Status
Confirm that the specific Windows 11 device is properly onboarded to the Microsoft 365 compliance portal and included in the active DLP policy.
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- 1. Download the Installer: Visit the official WPS Office website and download the free version for Windows.
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Frequently Asked Questions
Does Endpoint DLP require Microsoft Defender Antivirus to be running?
Yes, Endpoint DLP relies heavily on Microsoft Defender Antivirus components. If Defender is disabled or uninstalled, DLP popups, blocking actions, and compliance alerts will not function correctly on the device.
Why does a device not included in the DLP policy show an updated status?
When Endpoint DLP policies are scoped and applied to specific users rather than devices, the policy is effectively applied to any onboarded device that those scoped users log into, causing the device status to update in the compliance portal.
What should I do if DLP popups still don't appear after enabling Defender?
Double-check your DLP policy configuration and sensitive information types in the Microsoft 365 Purview compliance portal. If the configuration is correct and the issue persists, open a support request in the Microsoft 365 admin center for further technical assistance.
What types of sensitive actions does Endpoint DLP monitor on Windows 11?
Endpoint DLP monitors and can restrict actions such as copying data to a USB drive, pasting sensitive text into unauthorized applications, printing protected documents, or uploading files to unapproved cloud services.
