Azure Digital Twins control-plane preview API retirement (2020-03-31)
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From 2 May 2023, Azure Digital Twins control plane API [2020-03-01-preview](https://github.com/Azure/azure-rest-api-specs/tree/main/specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/preview/2020-03-01-preview) will be retired. Before that date, please migrate to the [latest generally available stable API version (2022-10-31)](https://github.com/Azure/azure-rest-api-specs/tree/main/specification/digitaltwins/resource-manager/Microsoft.DigitalTwins/stable/2022-10-31), which provides more capabilities, including time-series database connections and managed identity.
## Required action
To avoid service disruption, please be aware of the following changes when migrating to the latest generally available stable API version (2022-10-31) by 2May 2023:
* EventHub endpoints: EventHub endpoints have changed from “_connectionString-PrimaryKey_” and “_connectionString-SecondaryKey_” to “_connectionStringPrimaryKey_” and “_connectionStringSecondaryKey_”, respectively; i.e. the dash “-” _has been_ removed.
* PATCH API response changed from synchronous to asynchronous: The PATCH API for AzureDigital Twins resources now returns “_202 Accepted_” (instead of “200 OK”), as the update will complete asynchronously. Users can track the status of the update with a PUT request.
We recommend that users of the affected associated SDKs of the 2020-03-01-preview API update to the latest version SDKs and follow additional migration guidance from the old to new Azure SDK.
For more details, please reference [this guide](https://aka.ms/ADTPreviewAPIRetirement) on migrating from the retiring control plane API 2020-03-01-preview to the latest generally available stable API and their associated SDKs.
## Support options
If you have a support plan and you need technical help, create a [support request](https://portal.azure.com/). On the portal page of your Azure Digital Twins instance, select “_New Support Request_” in the “_Support+troubleshooting_” tab:
1. For _Issue type_, select Technical.
2. For _Subscription_, select your subscription.
3. For _Service_, select My services, then select Azure Digital Twins.
4. Select the Azure resource that you are creating a support request for.
5. For _Summary_, type a description of your issue.
6. For _Problem type_, select Digital Twins APIs.
7. For _Problem subtype_, selectMy issue not listed here.
* Azure Digital Twins
* Retirements
* [ Azure Digital Twins](https://azure.microsoft.com/en-gb/products/digital-twins/)
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