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Microsoft Defender for Business is now in preview, and will roll out gradually to customers and IT Partners who sign-up here to request it. We will onboard an initial set of customers and partners in the coming weeks and will expand the preview leading up to general availability. Note that preview will launch with an initial set of scenarios, and we will be adding capabilities regularly.

Some information in this article relates to prereleased products/services that might be substantially modified before they are commercially released. Microsoft makes no warranties, express or implied, for the information provided here.

Use this article as a guide to resolve issues you might encounter in Microsoft Defender for Business (preview).

My setup and configuration process failed

If you were using the simplified configuration process in Defender for Business (preview) and something went wrong, you can still configure your security settings and policies manually.

See Set up and configure Microsoft Defender for Business (preview).

I need to resolve a policy conflict

Policy conflicts can arise when security policies and settings are defined using multiple tools or methods. Here’s an example:

Suppose that Lee has been using Microsoft Endpoint Manager to manage devices and security settings. Lee has recently started using Microsoft Defender for Business (preview). Lee has chosen to use the simplified configuration process in Defender for Business (preview). Now, Lee sees policy conflicts in Microsoft Endpoint Manager and in the Microsoft 365 Defender portal.

Fortunately, policy conflicts can be resolved by taking one or more of the following actions:

See the following articles to learn more about your security policies and settings in Defender for Business (preview):

There’s an integration issue between Defender for Business and Microsoft Endpoint Manager

During your setup and configuration process, you might see an error message that says:

Something went wrong, and we couldn’t complete your setup process. There’s an integration issue between Defender for Business (preview) and Microsoft Endpoint Manager.

The error message means that a configuration channel must be established between Defender for Business (preview) and Microsoft Endpoint Manager. Something has gone wrong with integration. To resolve the issue, use the following three procedures:

Procedure 1: Turn on the Microsoft Intune connection in the Microsoft 365 Defender portal

  1. Go to the Microsoft 365 Defender portal (https://security.microsoft.com) and sign in.
  2. Choose Settings > Endpoints. Then, under General, select Advanced features.
  3. Scroll down to Microsoft Intune connection, and make sure it is turned on.

Procedure 2: Set the enforcement scope for Defender for Business (preview)

  1. Go to the Microsoft 365 Defender portal (https://security.microsoft.com), and sign in.
  2. Choose Settings > Endpoints. Under Configuration management, select Enforcement scope.
  3. Under OS platform, turn on Windows Client devices.
  4. Select Save.

Procedure 3: Turn on Endpoint Security Profile settings in Microsoft Endpoint Manager

  1. Go to the Microsoft Endpoint Manager admin center (https://endpoint.microsoft.com) and sign in.
  2. Select Endpoint security, and then, under Setup, select Microsoft Defender for Endpoint.
  3. Under Endpoint Security Profile Settings (Preview), set Allow Microsoft Defender for Endpoint to enforce Endpoint Security Configurations (Preview) to On.

Something went wrong with onboarding devices in the Microsoft 365 Defender portal

While onboarding devices in the Microsoft 365 Defender portal (https://security.microsoft.com), something might have gone wrong, and an error message is displayed. In particular, this issue can occur if you are onboarding devices using a downloadable onboarding package for Microsoft Endpoint Manager, Group Policy, System Center Configuration Manager, or Mobile Device Management in Defender for Business (preview).

Microsoft Defender for Business (preview) uses a capability called Security Management for Microsoft Defender for Endpoint. If onboarding in Defender for Business (preview) fails, the cause most likely has to do with Security Management for Defender for Endpoint. To resolve the issue, see the following articles:

Source : Official Microsoft Brand
Editor by : BEST Antivirus KBS Team

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