When onboarding a device, you might see sign in issues after the app is installed. During onboarding, you might encounter sign in issues after the app is installed on your device. This article provides solutions to help address the sign-on issues. Sign in failed – unexpected error Sign in failed: Unexpected error, try later Message: Unexpected […]
This article provides some general steps to mitigate missing events or alerts in the Microsoft 365 Defender portal. Once Microsoft Defender for Endpoint has been installed properly on a device, a device page will be generated in the portal. You can review all recorded events in the timeline tab in the device page, or in advanced hunting page. This section […]
This document provides instructions on how to narrow down performance issues related to Defender for Endpoint on Linux using the available diagnostic tools to be able to understand and mitigate the existing resource shortages and the processes that are making the system into such situations. Performance problems are mainly caused by bottlenecks in one or […]
Important Some information relates to prereleased product which may be substantially modified before it’s commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here. Want to experience Defender for Endpoint? Sign up for a free trial. This article provides guidance on how to troubleshoot issues you might encounter with Microsoft […]
Run the connectivity test To test if Defender for Endpoint on Linux can communicate to the cloud with the current network settings, run a connectivity test from the command line: BashCopy mdatp connectivity test expected output: OutputCopy Testing connection with https://cdn.x.cp.wd.microsoft.com/ping … [OK] Testing connection with https://eu-cdn.x.cp.wd.microsoft.com/ping … [OK] Testing connection with https://wu-cdn.x.cp.wd.microsoft.com/ping … [OK] […]
Verify that the installation succeeded An error in installation may or may not result in a meaningful error message by the package manager. To verify if the installation succeeded, obtain and check the installation logs using: BashCopy sudo journalctl –no-pager|grep ‘microsoft-mdatp’ > installation.log BashCopy grep ‘postinstall end’ installation.log OutputCopy microsoft-mdatp-installer[102243]: postinstall end [2020-03-26 07:04:43OURCE +0000] […]
While you are going through Microsoft Defender for Endpoint on macOS and Manual deployment testing or a Proof Of Concept (PoC), you might get the following error: 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 Microsoft Defender for […]
This article provides information on how to troubleshoot issues with the kernel extension that is installed as part of Microsoft Defender for Endpoint on macOS. Starting with macOS High Sierra (10.13), macOS requires all kernel extensions to be explicitly approved before they’re allowed to run on the device. If you didn’t approve the kernel extension […]
Platform macOS This topic describes how to Troubleshoot cloud connectivity issues for Microsoft Defender for Endpoint on macOS. Run the connectivity test To test if Defender for Endpoint on Mac can communicate to the cloud with the current network settings, run a connectivity test from the command line: BashCopy mdatp connectivity test expected output: BashCopy Testing […]
Installation failed For manual installation, the Summary page of the installation wizard says, “An error occurred during installation. The Installer encountered an error that caused the installation to fail. Contact the software publisher for assistance.” For MDM deployments, it displays as a generic installation failure as well. While we do not display an exact error […]