diff --git a/windows/security/threat-protection/TOC.md b/windows/security/threat-protection/TOC.md
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--- a/windows/security/threat-protection/TOC.md
+++ b/windows/security/threat-protection/TOC.md
@@ -318,6 +318,7 @@
 ###### [Troubleshoot installation issues](microsoft-defender-atp/mac-support-install.md)
 ###### [Troubleshoot performance issues](microsoft-defender-atp/mac-support-perf.md)
 ###### [Troubleshoot kernel extension issues](microsoft-defender-atp/mac-support-kext.md)
+###### [Troubleshoot license issues](microsoft-defender-atp/mac-support-license.md)
 ##### [Privacy](microsoft-defender-atp/mac-privacy.md)
 ##### [Resources](microsoft-defender-atp/mac-resources.md)
 
diff --git a/windows/security/threat-protection/microsoft-defender-atp/images/no-license-found.png b/windows/security/threat-protection/microsoft-defender-atp/images/no-license-found.png
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diff --git a/windows/security/threat-protection/microsoft-defender-atp/mac-support-license.md b/windows/security/threat-protection/microsoft-defender-atp/mac-support-license.md
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+---
+title: Troubleshoot license issues for Microsoft Defender ATP for Mac
+description: Troubleshoot license issues in Microsoft Defender ATP for Mac.
+keywords: microsoft, defender, atp, mac, performance
+search.product: eADQiWindows 10XVcnh
+search.appverid: met150
+ms.prod: w10
+ms.mktglfcycl: deploy
+ms.sitesec: library
+ms.pagetype: security
+ms.author: dansimp
+author: dansimp
+ms.localizationpriority: medium
+manager: dansimp
+audience: ITPro
+ms.collection: M365-security-compliance 
+ms.topic: conceptual
+---
+
+# Troubleshoot license issues for Microsoft Defender ATP for Mac
+
+**Applies to:**
+
+- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP) for Mac](microsoft-defender-atp-mac.md)
+
+While you are going through [Microsoft Defender ATP for Mac](microsoft-defender-atp-mac.md) and [Manual deployment](mac-install-manually.md) testing or a Proof Of Concept (PoC), you might get the following error:
+
+![Image of license error](images/no-license-found.png)
+
+**Message:** 
+
+No license found
+
+Looks like your organization does not have a license for Microsoft 365 Enterprise subscription.
+
+Contact your administrator for help.
+
+**Cause:** 
+
+You deployed and/or installed the MDATP for macOS package ("Download installation package") but you might have run the configuration script ("Download onboarding package").
+
+**Solution:**
+
+Follow the WindowsDefenderATPOnboarding.py instructions documented here:
+[Client configuration](mac-install-manually.md#client-configuration)
+