Daily Defender News
A cross-product view of Microsoft Defender changes related to Troubleshooting.
The page now more clearly highlights Android onboarding and Xiaomi Permanent Protection issues, and refines instructions for updating Microsoft Authenticator. Wording, screenshots, links, and formatting were also refreshed.
The article now covers EKS provisioning failures caused by recreated IAM roles, endpoint allowlist reconciliation, and stale Azure Arc registrations. It adds diagnostic commands and resolution steps.
The guidance replaces manual analyzer download steps with self-contained binary or Python Live Response action pairs. It adds package validation, workspace-ID handoff, explicit prerequisites, HTTPS requirements, and a local-workflow alternative for devices without Microsoft endpoint access.
The article now applies to both Azure commercial and Azure Government clouds instead of directing Government-cloud users to a separate article.
The article was retitled and updated with 5.7.520 troubleshooting keywords. It clarifies the history and current behavior of Automatic - System-controlled forwarding and revises the policy-outcome table.
The page received updated metadata and date information, and its troubleshooting-mode operation headings were rewritten for clarity.
The NDR 5.1.8 reference link was updated, and links were added for Send As and Send on behalf limits and delegated From address inventory.
The troubleshooting page now links to prerequisites and clearer Azure portal destinations, corrects the Option 3 wording, and documents required URL parameters. It also warns that removing the application configuration temporarily prevents file submission until consent is restored.
The guide now explains how to determine whether Conditional Access App Control or Defender for Endpoint caused a block, and how to use sign-in logs, the Defender activity log, policy settings, and the Admin View toolbar to investigate.
The article now uses “spam filtering” and “spam verdict” terminology instead of focusing on SCL overrides. Its guidance and table clarify the effects and limitations of mail flow rules, IP Allow List entries, and Outlook Safe Senders, including the on-premises SCL context.
The article now clarifies its scope for Defender for SQL on Machines in commercial clouds, adds prerequisite guidance, and improves links and wording for enabling protection and resolving instance-level misconfigurations.
The guide updates its title and wording, clarifies the remediation-task process and script link, and adds troubleshooting guidance for extension-related policy and DCRA misconfigurations.
The page’s FIPS reference, metadata, registration error text, and sign-in remediation wording were updated.
The Live Response troubleshooting page now links to revised Windows Push Notification Services overview and firewall configuration URLs. The MPNS public IP ranges link was removed.
The documentation now explains that enabling Disable Catchup Full Scan disables catch-up scans after missed scheduled full scans, while disabling it enables them.
The troubleshooting page now uses local Markdown links for compatibility, real-time protection, and cloud-delivered protection references.
The troubleshooting article now points to the Engage Center and the new Volume Licensing support page for both cases.
The troubleshooting article now links to a revised Microsoft Support page for resolving Windows Update problems.
The troubleshooting article now links to SIEM solution quality guidelines and guidance on deciding which components to include in a solution.
The article no longer includes the entry showing the default ProductAppDataPath and its Windows Defender registry location.
The page now uses clearer descriptions of sensor and deployment logs, including their locations, archived-file handling, and troubleshooting use cases.
The page was retitled and revised from the data connector agent to the agentless data connector. It updates related links and guidance, adds connection-reset troubleshooting, and removes agent-specific deployment procedures and connection pivots.
The page title changed from “Troubleshoot the sensor” to “Troubleshoot the Sensor,” and the “Next steps” heading was renamed “Related content.”
The troubleshooting page corrects the `ProductAppDataPath` registry value from `Microsft` to `Microsoft` in the Windows Defender data path.
Updated Microsoft Defender documentation in defender-endpoint/mac-support-perf-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/mac-troubleshoot-netext-mde.md.
Updated Microsoft Defender documentation in defender-endpoint/mac-support-perf.md.
Updated Microsoft Defender documentation in defender-endpoint/mac-support-sys-ext.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-av-performance-issues-with-wprui.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-mdav-scan-issues.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-np.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-performance-issues.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-security-config-mgt.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-settings.md.
Updated Microsoft Defender documentation in defender-for-cloud/troubleshoot-sql-machines-guide.md.
Updated Microsoft Defender documentation in defender-xdr/api-error-codes.md.
Updated Microsoft Defender documentation in defender-xdr/troubleshoot.md.
Updated Microsoft Defender documentation in sentinel/azure-storage-blob-connector-troubleshoot.md.
Updated Microsoft Defender documentation in sentinel/datalake/troubleshoot-sentinel-mcp.md.
Removed Microsoft Defender documentation in sentinel/troubleshoot-sentinel-solutions.md.
Added Microsoft Defender documentation in sentinel/isv/troubleshoot-sentinel-solutions.md.
Updated Microsoft Defender documentation in defender-xdr/troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-np.md.
Updated Microsoft Defender documentation in defender-for-cloud/resolve-disk-scanning-error.md.
Updated Microsoft Defender documentation in defender-for-cloud/troubleshoot-connectors.md.
Updated Microsoft Defender documentation in defender-for-cloud/troubleshoot-sql-machines-guide.md.
Updated Microsoft Defender documentation in defender-for-cloud/troubleshoot-vulnerability-findings.md.
Updated Microsoft Defender documentation in defender-for-cloud/troubleshooting-runtime-gated.md.
Updated Microsoft Defender documentation in defender-for-cloud/troubleshoot-sql-machines-guide-gov.md.
Updated Microsoft Defender documentation in defender-for-cloud/defender-for-containers-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-device-discovery-network-scans.md.
Added Microsoft Defender documentation in defender-for-cloud/resolve-disk-scanning-error.md.
Added Microsoft Defender documentation in defender-for-cloud/troubleshoot-connectors.md.
Added Microsoft Defender documentation in defender-for-cloud/troubleshoot-sql-machines-guide.md.
Added Microsoft Defender documentation in defender-for-cloud/troubleshoot-sql-machines-guide-gov.md.
Added Microsoft Defender documentation in defender-for-cloud/troubleshoot-vulnerability-findings.md.
Added Microsoft Defender documentation in defender-for-cloud/troubleshooting-runtime-gated.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-mdatp.md.
Added Microsoft Defender documentation in defender-for-cloud/defender-for-containers-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-onboarding-error-messages.md.
Updated Microsoft Defender documentation in defender-endpoint/fix-unhealthy-sensors.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/outbound-spam-sending-limits-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/outbound-spam-sending-limits-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Added Microsoft Defender documentation in defender-office-365/outbound-spam-sending-limits-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Added Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Added Microsoft Defender documentation in defender-office-365/anti-spam-policies-troubleshooting.md.
Updated Microsoft Defender documentation in defender-for-cloud-apps/ems-cloud-app-security-govt-service-byok-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr-rules.md.
Updated Microsoft Defender documentation in defender-endpoint/ios-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-av-performance-issues-with-wprui.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-onboarding.md.
Updated Microsoft Defender documentation in defender-xdr/troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-security-intelligence-not-updated.md.
Updated Microsoft Defender documentation in defender-endpoint/mac-support-sys-ext.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-security-intelligence-not-updated.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-service-startup-problems.md.
Updated Microsoft Defender documentation in sentinel/cef-syslog-ama-troubleshooting.md.
Updated Microsoft Defender documentation in sentinel/sap/sap-deploy-troubleshoot.md.
Updated Microsoft Defender documentation in sentinel/aws-s3-troubleshoot.md.
Updated Microsoft Defender documentation in sentinel/azure-storage-blob-connector-troubleshoot.md.
Updated Microsoft Defender documentation in sentinel/cef-syslog-ama-troubleshooting.md.
Updated Microsoft Defender documentation in sentinel/datalake/notebooks-troubleshooting.md.
Updated Microsoft Defender documentation in sentinel/troubleshoot-sentinel-solutions.md.
Updated Microsoft Defender documentation in sentinel/sap/sap-deploy-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in sentinel/sap/sap-deploy-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/linux-support-connectivity.md.
Added Microsoft Defender documentation in sentinel/datalake/notebooks-troubleshooting.md.
Added Microsoft Defender documentation in defender-for-iot-azure/organizations/how-to-troubleshoot-sensor.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-settings.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Removed Microsoft Defender documentation in defender-endpoint/troubleshoot-asr-rules.md.
Added Microsoft Defender documentation in sentinel/aws-s3-troubleshoot.md.
Added Microsoft Defender documentation in sentinel/azure-storage-blob-connector-troubleshoot.md.
Added Microsoft Defender documentation in sentinel/cef-syslog-ama-troubleshooting.md.
Added Microsoft Defender documentation in sentinel/troubleshoot-sentinel-solutions.md.
Added Microsoft Defender documentation in sentinel/sap/sap-deploy-troubleshoot.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-xdr/api-error-codes.md.
Updated Microsoft Defender documentation in defender-endpoint/fix-unhealthy-sensors.md.
Updated Microsoft Defender documentation in defender-endpoint/mac-troubleshoot-netext-mde.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr-rules.md.
Updated Microsoft Defender documentation in defender-endpoint/mac-health-status.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-av-performance-issues-with-procmon.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-av-performance-issues-with-wprui.md.
Updated Microsoft Defender documentation in defender-endpoint/linux-support-connectivity.md.
