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articles/connectors/connectors-create-api-azureblobstorage.md

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@@ -16,6 +16,32 @@ This guide shows how to access your Azure Blob Storage account and container fro
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You can connect to Azure Blob Storage from a workflow in **Logic App (Consumption)** and **Logic App (Standard)** resource types. You can use the connector with logic app workflows in multitenant Azure Logic Apps and in single-tenant Azure Logic Apps. With **Logic App (Standard)**, you can use either the **Azure Blob** *built-in* connector operations or the **Azure Blob Storage** managed connector operations.
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## Connector technical reference
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The Azure Blob Storage connector has different versions, based on [logic app type and host environment](../logic-apps/logic-apps-overview.md#resource-environment-differences).
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| Logic app | Environment | Connector version |
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|-----------|-------------|-------------------|
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| **Consumption** | Multitenant Azure Logic Apps | Managed connector, which appears in the connector gallery under **Runtime** > **Shared**. For more information, review the following documentation: <br><br>- [Azure Blob Storage managed connector reference](/connectors/azureblobconnector) <br>- [Managed connectors in Azure Logic Apps](managed.md) |
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| **Standard** | Single-tenant Azure Logic Apps and App Service Environment v3 (Windows plans only) | Managed connector (Azure hosted), which appears in the connector gallery under **Runtime** > **Shared**, and built-in connector, which is [service provider based](../logic-apps/custom-connector-overview.md#service-provider-interface-implementation), and appears in the connector gallery under **Runtime** > **In App**. The built-in version differs in the following ways: <br><br>- The built-in version connects directly to your Azure Storage account requiring only a connection string. <br><br>- The built-in version can directly access Azure virtual networks. <br><br>For more information, review the following documentation: <br><br>- [Azure Blob Storage managed connector reference](/connectors/azureblobconnector) <br>- [Azure Blob built-in connector reference](/azure/logic-apps/connectors/built-in/reference/azureblob/) <br>- [Built-in connectors in Azure Logic Apps](built-in.md) |
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## Limitations
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- Azure Blob Storage *managed* connector actions can read or write files that are *50 MB or smaller*. To handle files larger than 50 MB but up to 1024 MB, Azure Blob Storage actions support [message chunking](../logic-apps/logic-apps-handle-large-messages.md). The Blob Storage action named [**Get blob content**](/connectors/azureblobconnector/#get-blob-content-(v2)) implicitly uses chunking.
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- While Azure Blob Storage *managed* and *built-in* triggers don't support chunking, the *built-in* triggers can handle files that are 50 MB or more. However, when a *managed* trigger requests file content, the trigger selects only files that are 50 MB or smaller. To get files larger than 50 MB, follow this pattern:
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1. Use a Blob trigger that returns file properties, such as [**When a blob is added or modified (properties only)**](/connectors/azureblobconnector/#when-a-blob-is-added-or-modified-(properties-only)-(v2)).
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1. Follow the trigger with the Azure Blob Storage managed connector action named [**Get blob content**](/connectors/azureblobconnector/#get-blob-content-(v2)), which reads the complete file and implicitly uses chunking.
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- Azure Blob Storage trigger limits
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- The *managed* connector trigger is limited to 30,000 blobs in the polling virtual folder.
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- The *built-in* connector trigger is limited to 10,000 blobs in the entire polling container.
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If the limit is exceeded, a new blob might not be able to trigger the workflow, so the trigger is skipped.
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## Prerequisites
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- An Azure account and subscription. If you don't have an Azure subscription, [sign up for a free Azure account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
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1. After you configure the trigger or action, you can save the workflow and test the trigger or action.
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## Connector technical reference
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The Azure Blob Storage connector has different versions, based on [logic app type and host environment](../logic-apps/logic-apps-overview.md#resource-environment-differences).
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| Logic app | Environment | Connector version |
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|-----------|-------------|-------------------|
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| **Consumption** | Multitenant Azure Logic Apps | Managed connector, which appears in the connector gallery under **Runtime** > **Shared**. For more information, review the following documentation: <br><br>- [Azure Blob Storage managed connector reference](/connectors/azureblobconnector) <br>- [Managed connectors in Azure Logic Apps](managed.md) |
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| **Standard** | Single-tenant Azure Logic Apps and App Service Environment v3 (Windows plans only) | Managed connector (Azure hosted), which appears in the connector gallery under **Runtime** > **Shared**, and built-in connector, which is [service provider based](../logic-apps/custom-connector-overview.md#service-provider-interface-implementation), and appears in the connector gallery under **Runtime** > **In App**. The built-in version differs in the following ways: <br><br>- The built-in version connects directly to your Azure Storage account requiring only a connection string. <br><br>- The built-in version can directly access Azure virtual networks. <br><br>For more information, review the following documentation: <br><br>- [Azure Blob Storage managed connector reference](/connectors/azureblobconnector) <br>- [Azure Blob built-in connector reference](/azure/logic-apps/connectors/built-in/reference/azureblob/) <br>- [Built-in connectors in Azure Logic Apps](built-in.md) |
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## Limitations
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- Azure Blob Storage *managed* connector actions can read or write files that are *50 MB or smaller*. To handle files larger than 50 MB but up to 1024 MB, Azure Blob Storage actions support [message chunking](../logic-apps/logic-apps-handle-large-messages.md). The Blob Storage action named [**Get blob content**](/connectors/azureblobconnector/#get-blob-content-(v2)) implicitly uses chunking.
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- While Azure Blob Storage *managed* and *built-in* triggers don't support chunking, the *built-in* triggers can handle files that are 50 MB or more. However, when a *managed* trigger requests file content, the trigger selects only files that are 50 MB or smaller. To get files larger than 50 MB, follow this pattern:
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1. Use a Blob trigger that returns file properties, such as [**When a blob is added or modified (properties only)**](/connectors/azureblobconnector/#when-a-blob-is-added-or-modified-(properties-only)-(v2)).
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1. Follow the trigger with the Azure Blob Storage managed connector action named [**Get blob content**](/connectors/azureblobconnector/#get-blob-content-(v2)), which reads the complete file and implicitly uses chunking.
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- Azure Blob Storage trigger limits
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- The *managed* connector trigger is limited to 30,000 blobs in the polling virtual folder.
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- The *built-in* connector trigger is limited to 10,000 blobs in the entire polling container.
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If the limit is exceeded, a new blob might not be able to trigger the workflow, so the trigger is skipped.
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## Troubleshoot problems with accessing storage accounts
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- Error: **This request is not authorized to perform this operation.**

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