Microsoft Unified SecOps Platform
GeneralSet up Microsoft Defender multitenant management
In brief
The requirements page now instructs readers to verify tenant access with Microsoft Entra B2B, clarifies related-link titles, standardizes note formatting, and updates metadata.
What Defender admins need to know
Administrators should follow the documented tenant-access verification steps and use the clarified links for multitenant management guidance.
Summaries are generated from the documentation change itself.
Documentation change
View on Microsoft LearnThe comparison below shows only the changed extract. Use the full-page view for complete context.
Set up Microsoft Defender multitenant management
We recommend that you set up multifactor authentication trust for each tenant to avoid missing data in Microsoft Defender multitenant management.
Verify your tenant access
In order to view and manage the data you have access to in Microsoft Defender multitenant management, you need to ensure you have the necessary permissions. For each tenant you want to view and manage, you need to either:
Verify your tenant access with Microsoft Entra B2B
Perform the following steps to verify your tenant access with Microsoft Entra B2B:
Go to My account.
Under Organizations > Other organizations you collaborate with see the list of organizations you have guest access to.
Choose the tenants you want to manage and select Add
The features available in multitenant management now appear on the navigation bar and you're ready to view and manage security data across all your tenants.
Related content
Use these articles to get started with Microsoft Defender multitenant management:
@@ -9,12 +9,12 @@ ms.collection: - tier1 - usx-security ms.topic: how-to-ms.date: 06/15/2026+ms.date: 07/02/2026 appliesto: - Microsoft Defender XDR - Microsoft Sentinel in the Microsoft Defender portal ai-usage: ai-assisted-ms.custom: msecd-doc-authoring-1014+ms.custom: msecd-doc-authoring-1016 --- # Set up Microsoft Defender multitenant management@@ -25,7 +25,7 @@ This article describes the steps you need to take to start using multitenant man 2. [Verify your tenant access](#verify-your-tenant-access) 3. [Set up Microsoft Defender multitenant management](#set-up-multitenant-management) ->[!Note]+> [!NOTE] >- In multitenant management, interactions between the multitenant user and the managed tenants could involve accessing data and managing configurations. The ability to undertake these actions is determined by the permissions a managed tenant has granted the multitenant user. >- [Data privacy](/defender-xdr/data-privacy), [role-based access control (RBAC)](/defender-xdr/m365d-permissions) and [Licensing](/defender-xdr/prerequisites#licensing-requirements) are respected by Microsoft Defender multi-tenant management. @@ -43,7 +43,6 @@ The following table lists the basic requirements you need to use multitenant man We recommend that you set up [multifactor authentication trust](/azure/active-directory/external-identities/authentication-conditional-access) for each tenant to avoid missing data in Microsoft Defender multitenant management. - ## Verify your tenant access In order to view and manage the data you have access to in Microsoft Defender multitenant management, you need to ensure you have the necessary permissions. For each tenant you want to view and manage, you need to either:@@ -53,6 +52,8 @@ In order to view and manage the data you have access to in Microsoft Defender mu ### Verify your tenant access with Microsoft Entra B2B +Perform the following steps to verify your tenant access with Microsoft Entra B2B:+ 1. Go to [My account](https://myaccount.microsoft.com/organizations). 2. Under **Organizations > Other organizations you collaborate with** see the list of organizations you have guest access to. @@ -81,7 +82,7 @@ The first time you use Microsoft Defender multitenant management, you need setup 3. Choose the tenants you want to manage and select **Add** -> [!Note]+> [!NOTE] > The Microsoft Defender multitenant view currently has a limit of 100 target tenants. The features available in multitenant management now appear on the navigation bar and you're ready to view and manage security data across all your tenants.@@ -91,10 +92,8 @@ The features available in multitenant management now appear on the navigation ba <a name="next-step"></a> ## Related content -Use these articles to get started with Microsoft Defender multitenant management:--- [View and manage incidents and alerts](mto-incidents-alerts.md)-- [Advanced hunting](mto-advanced-hunting.md)-- [Multitenant devices](mto-tenant-devices.md)-- [Vulnerability management](mto-dashboard.md)-- [Manage tenants](mto-tenants.md)+- [View and manage incidents and alerts in Microsoft Defender multitenant management](mto-incidents-alerts.md)+- [Advanced hunting in Microsoft Defender multitenant management](mto-advanced-hunting.md)+- [Devices in multitenant management](mto-tenant-devices.md)+- [Vulnerability management in multi-tenant management](mto-dashboard.md)+- [Manage tenants with Microsoft Defender multitenant management](mto-tenants.md)