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| 1 | +--- |
| 2 | +title: Azure API Management - stv1 platform retirement - Azure Government, Azure in China (February 2025) |
| 3 | +description: In Azure Government and Azure operated by 21Vianet, API Management will retire stv1 platform effective 28 February 2025. Instances must be migrated to stv2 platform. |
| 4 | +services: api-management |
| 5 | +author: dlepow |
| 6 | +ms.service: azure-api-management |
| 7 | +ms.topic: reference |
| 8 | +ms.date: 08/09/2024 |
| 9 | +ms.author: danlep |
| 10 | +--- |
| 11 | + |
| 12 | +# API Management stv1 platform retirement - Azure Government and Azure operated by 21Vianet (February 2025) |
| 13 | + |
| 14 | +[!INCLUDE [api-management-availability-premium-dev-standard-basic](../../../includes/api-management-availability-premium-dev-standard-basic.md)] |
| 15 | + |
| 16 | +As a cloud platform-as-a-service (PaaS), Azure API Management abstracts many details of the infrastructure used to host and run your service. **The infrastructure associated with the API Management `stv1` compute platform version will be retired effective 28 February 2025 in Microsoft Azure Government and in Microsoft Azure operated by 21 Vianet (Azure in China).** A more current compute platform version (`stv2`) is already available, and provides enhanced service capabilities. |
| 17 | + |
| 18 | +> [!NOTE] |
| 19 | +> For API Management instances deployed in global Microsoft Azure, the retirement date for the `stv1` platform is 31 August 2024. [Learn more](stv1-platform-retirement-august-2024.md) |
| 20 | +
|
| 21 | +The following table summarizes the compute platforms currently used for instances in the different API Management service tiers. |
| 22 | + |
| 23 | +| Version | Description | Architecture | Tiers | |
| 24 | +| -------| ----------| ----------- | ---- | |
| 25 | +| `stv2` | Single-tenant v2 | Azure-allocated compute infrastructure that supports availability zones, private endpoints | Developer, Basic, Standard, Premium | |
| 26 | +| `stv1` | Single-tenant v1 | Azure-allocated compute infrastructure | Developer, Basic, Standard, Premium | |
| 27 | +| `mtv1` | Multi-tenant v1 | Shared infrastructure that supports native autoscaling and scaling down to zero in times of no traffic | Consumption | |
| 28 | + |
| 29 | +**For continued support and to take advantage of upcoming features, customers must [migrate](../migrate-stv1-to-stv2.md) their Azure API Management instances from the `stv1` compute platform to the `stv2` compute platform.** The `stv2` compute platform comes with additional features and improvements such as support for Azure Private Link and other networking features. |
| 30 | + |
| 31 | +New instances created in service tiers other than the Consumption tier are mostly hosted on the `stv2` platform already. Existing instances on the `stv1` compute platform will continue to work normally until the retirement date, but those instances won’t receive the latest features available to the `stv2` platform. |
| 32 | + |
| 33 | +## Is my service affected by this? |
| 34 | + |
| 35 | +If the value of the `platformVersion` property of your service is `stv1`, it's hosted on the `stv1` platform. See [How do I know which platform hosts my API Management instance?](../compute-infrastructure.md#how-do-i-know-which-platform-hosts-my-api-management-instance) |
| 36 | + |
| 37 | +## What is the deadline for the change? |
| 38 | + |
| 39 | +In Azure Government and Azure operated by 21Vianet, support for API Management instances hosted on the `stv1` platform will be retired by 28 February 2025. |
| 40 | + |
| 41 | +## What do I need to do? |
| 42 | + |
| 43 | +**Migrate all your existing instances hosted on the `stv1` compute platform to the `stv2` compute platform by 28 February 2025.** |
| 44 | + |
| 45 | +If you have existing instances hosted on the `stv1` platform, follow our **[migration guide](../migrate-stv1-to-stv2.md)** to ensure a successful migration. |
| 46 | + |
| 47 | +[!INCLUDE [api-management-migration-support](../../../includes/api-management-migration-support.md)] |
| 48 | + |
| 49 | + |
| 50 | +## Related content |
| 51 | + |
| 52 | +* [Migrate from stv1 platform to stv2](../migrate-stv1-to-stv2.md) |
| 53 | +* See all [upcoming breaking changes and feature retirements](overview.md). |
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