Multiple Tenants Service Providers
In brief
The article now presents prerequisites and steps more clearly, including resource-provider registration, delegated directory and subscription selection, and the GDAP requirement for deploying connectors from Lighthouse-only managed workspaces.
What Defender admins need to know
Administrators can use the revised instructions to verify tenant setup and connector deployment prerequisites.
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.
#Customer intent: As an MSSP, I want to manage multiple Microsoft Sentinel tenants from my own Azure tenant so that I can efficiently provide SOC services to my customers.
Prerequisites
Before you manage multiple tenants in Microsoft Sentinel, complete the following prerequisite:
Verify registration of Microsoft Sentinel resource providers
To manage multiple tenants properly, yourYour MSSP tenant must have the Microsoft Sentinel resource providers registered on at least one subscription, and eachsubscription. Each of your customers' tenants must also have thethose resource providers registered.
If you havealready registered Microsoft Sentinel in your tenant, and your customers did the same in theirs, you're ready can skip ahead to get started and can continue with Access Microsoft Sentinel in managed tenants.
To verify registration:
From the navigation menu on the subscription screen, under Settings, select Resource providers.
From the subscription name | Resource providers screen, search for
and selectMicrosoft.OperationalInsights and Microsoft.SecurityInsights,. Select each one and check the Status column. If theprovider'sstatus is NotRegistered, select Register.:::image type="content" source="media/multiple-tenants-service-providers/check-resource-provider.png" alt-text="Screenshot of checking resource providers.":::
To access your customers' Microsoft Sentinel workspaces from your own tenant, perform the following steps:
Under Directory + subscription, select the delegated directories
(directory =(each directory maps to a tenant), and. Also select the subscriptionswherethat contain your customer's Microsoft Sentinelworkspaces are located.workspaces.:::image type="content" source="media/multiple-tenants-service-providers/directory-subscription.png" alt-text="Choose tenants and subscriptions":::
Open Microsoft Sentinel, where you'll see all the workspaces in the selected subscriptions and can work with them seamlessly, just like any workspace in your own tenant.
Related content
@@ -5,9 +5,9 @@ ms.author: guywild author: guywi-ms ms.reviewer: yobasha ms.topic: how-to-ms.date: 06/15/2026+ms.date: 07/02/2026 ai-usage: ai-assisted-ms.custom: msecd-doc-authoring-1014+ms.custom: msecd-doc-authoring-1016 #Customer intent: As an MSSP, I want to manage multiple Microsoft Sentinel tenants from my own Azure tenant so that I can efficiently provide SOC services to my customers. @@ -24,13 +24,15 @@ If you're a managed security service provider (MSSP) and you're using [Azure Lig ## Prerequisites +Before you manage multiple tenants in Microsoft Sentinel, complete the following prerequisite:+ - [Onboard Azure Lighthouse](/azure/lighthouse/how-to/onboard-customer) ## Verify registration of Microsoft Sentinel resource providers -To manage multiple tenants properly, your MSSP tenant must have the Microsoft Sentinel resource providers registered on at least one subscription, and each of your customers' tenants must have the resource providers registered. +Your MSSP tenant must have the Microsoft Sentinel resource providers registered on at least one subscription. Each of your customers' tenants must also have those resource providers registered. -If you have registered Microsoft Sentinel in your tenant, and your customers in theirs, you're ready to get started and can continue with [Access Microsoft Sentinel in managed tenants](#access-microsoft-sentinel-in-managed-tenants).+If you already registered Microsoft Sentinel in your tenant, and your customers did the same in theirs, you can skip ahead to [Access Microsoft Sentinel in managed tenants](#access-microsoft-sentinel-in-managed-tenants). **To verify registration**: @@ -38,7 +40,7 @@ If you have registered Microsoft Sentinel in your tenant, and your customers in 1. From the navigation menu on the subscription screen, under **Settings**, select **Resource providers**. -1. From the ***subscription name* | Resource providers** screen, search for and select *Microsoft.OperationalInsights* and *Microsoft.SecurityInsights*, and check the **Status** column. If the provider's status is *NotRegistered*, select **Register**.+1. From the ***subscription name* | Resource providers** screen, search for *Microsoft.OperationalInsights* and *Microsoft.SecurityInsights*. Select each one and check the **Status** column. If the status is *NotRegistered*, select **Register**. :::image type="content" source="media/multiple-tenants-service-providers/check-resource-provider.png" alt-text="Screenshot of checking resource providers."::: @@ -46,14 +48,14 @@ If you have registered Microsoft Sentinel in your tenant, and your customers in To access your customers' Microsoft Sentinel workspaces from your own tenant, perform the following steps: -1. Under **Directory + subscription**, select the delegated directories (directory = tenant), and the subscriptions where your customer's Microsoft Sentinel workspaces are located.+1. Under **Directory + subscription**, select the delegated directories (each directory maps to a tenant). Also select the subscriptions that contain your customer's Microsoft Sentinel workspaces. :::image type="content" source="media/multiple-tenants-service-providers/directory-subscription.png" alt-text="Choose tenants and subscriptions"::: 1. Open Microsoft Sentinel, where you'll see all the workspaces in the selected subscriptions and can work with them seamlessly, just like any workspace in your own tenant. > [!NOTE]-> You can't deploy connectors in Microsoft Sentinel from within a managed workspace configured with Azure Lighthouse alone. To deploy a connector in this manner, you must also configure GDAP. For detailed information on this topic, see [Microsoft Defender portal implementation guide for MSSPs](/unified-secops/playbook-managed-security).+> You can't deploy connectors in Microsoft Sentinel from a managed workspace that uses only Azure Lighthouse. You must also configure GDAP. For more details, see [Microsoft Defender portal implementation guide for MSSPs](/unified-secops/playbook-managed-security). ## Related content 