Create and manage tenant groups in Microsoft Defender multitenant management
In brief
The article now separates setup and tenant management links and simplifies guidance about tenant visibility, switching groups, and refreshing after changes.
What Defender admins need to know
Administrators have clearer references and instructions when creating, reviewing, or updating tenant groups.
Summaries are generated from the documentation change itself.
Documentation change
The comparison below shows only the changed extract. Use the full-page view for complete context.
Create and manage tenant groups in Microsoft Defender multitenant management
Prerequisites
Before you create tenant groups, onboard your tenants to the Microsoft Defender multitenant portal. Only onboarded tenants appear when you create or edit a group.
For setup steps, see Set up Microsoft Defender multitenant management. To learn more,manage tenants, see Set up Microsoft Defender multitenant management and Manage tenants with Microsoft Defender multitenant management.
Required permissions
Product-specific RBAC (for example, Microsoft Defender for Endpoint or Microsoft Defender for Identity)
- Security Administrator
- Custom RBAC roles
that grant visibilitywith access across products.SeeFor details, see Custom roles for role-based access control.
Unified role-based access control (URBAC)
To learn more about URBAC permissions, see Manage unified role-based access control (URBAC) for multitenant management.
Users only see tenants they canhave access to through B2B or granular delegated admin privileges (GDAP). A tenant group might containcan include tenants that a user can't access.see.
Access tenant groups
:::image type="content" source="media/mto-tenant-groups/multitenant-view-settings.png" alt-text="Screenshot of the Multi-tenant view settings page in the Microsoft Defender portal, with the Open multitenant management icon highlighted in the top-right corner." lightbox="media/mto-tenant-groups/multitenant-view-settings.png":::
After you switch groups, check the views in the multitenant portal. Confirm that the portal shows data comes only from tenants in the selectedthat group.
If someone adds or removes tenants from achanges the group while you have that viewit open, the portal shows a notification.notice. Refresh the view to load the updatednew data.
:::image type="content" source="media/mto-tenant-groups/group-changes-detected.png" alt-text="Screenshot of the Group changes detected dialog with Refresh and reload and Cancel buttons.":::
@@ -9,12 +9,12 @@ ms.collection: - tier1 - usx-security ms.topic: how-to-ms.date: 06/15/2026+ms.date: 07/02/2026 ai-usage: ai-assisted appliesto: - Microsoft Defender XDR - Microsoft Sentinel in the Microsoft Defender portal-ms.custom: msecd-doc-authoring-1014+ms.custom: msecd-doc-authoring-1016 --- # Create and manage tenant groups in Microsoft Defender multitenant management@@ -26,7 +26,9 @@ Tenant groups in Microsoft Defender multitenant management let you organize the ## Prerequisites -Before you create tenant groups, onboard your tenants to the Microsoft Defender multitenant portal. Only onboarded tenants appear when you create or edit a group. To learn more, see [Set up Microsoft Defender multitenant management](mto-requirements.md) and [Manage tenants with Microsoft Defender multitenant management](mto-tenants.md).+Before you create tenant groups, onboard your tenants to the Microsoft Defender multitenant portal. Only onboarded tenants appear when you create or edit a group.++For setup steps, see [Set up Microsoft Defender multitenant management](mto-requirements.md). To manage tenants, see [Manage tenants with Microsoft Defender multitenant management](mto-tenants.md). <a name="permissions"></a> ## Required permissions@@ -41,7 +43,7 @@ To access tenant groups, you need the following permissions. **Product-specific RBAC (for example, Microsoft Defender for Endpoint or Microsoft Defender for Identity)** - [Security Administrator](/entra/identity/role-based-access-control/permissions-reference#security-administrator)-- Custom RBAC roles that grant visibility across products. See [Custom roles for role-based access control](/defender-xdr/custom-roles).+- Custom RBAC roles with access across products. For details, see [Custom roles for role-based access control](/defender-xdr/custom-roles). **[Unified role-based access control (URBAC)](/defender-xdr/manage-rbac)** @@ -50,7 +52,7 @@ To access tenant groups, you need the following permissions. To learn more about URBAC permissions, see [Manage unified role-based access control (URBAC) for multitenant management](mto-urbac.md). -Users only see tenants they can access through B2B or [granular delegated admin privileges (GDAP)](/partner-center/gdap-introduction). A tenant group might contain tenants that a user can't access.+Users only see tenants they have access to through B2B or [granular delegated admin privileges (GDAP)](/partner-center/gdap-introduction). A tenant group can include tenants that a user can't see. ## Access tenant groups @@ -80,9 +82,9 @@ To switch the multitenant view to a different tenant group, follow these steps: :::image type="content" source="media/mto-tenant-groups/multitenant-view-settings.png" alt-text="Screenshot of the Multi-tenant view settings page in the Microsoft Defender portal, with the Open multitenant management icon highlighted in the top-right corner." lightbox="media/mto-tenant-groups/multitenant-view-settings.png"::: -After you switch groups, check the views in the multitenant portal. Confirm that the data comes only from tenants in the selected group.+After you switch groups, check that the portal shows data only from tenants in that group. -If someone adds or removes tenants from a group while you have that view open, the portal shows a notification. Refresh the view to load the updated data.+If someone changes the group while you have it open, the portal shows a notice. Refresh to load the new data. :::image type="content" source="media/mto-tenant-groups/group-changes-detected.png" alt-text="Screenshot of the Group changes detected dialog with Refresh and reload and Cancel buttons."::: 