You asked—we delivered! Users can now manually select the region Data Explorer sends requests to! When you use Entra Authentication with NoSQL accounts, you can now enable the Region Selection option in settings. This new capability gives you precise control over where your requests are sent, helping you test, troubleshoot, and optimize performance by targeting a specific Azure region directly from the portal.   

When you select a specific region, the Azure Cosmos DB client disables endpoint discovery and sends requests only to that region. This works similarly to using a regional connection string at https://cosmos.azure.com/. 

If you select a read-only region, Data Explorer disables write, update, and delete operations.  If you select Global, the client uses the account’s global endpoint and endpoint discovery to route requests to the optimal region. 

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Whether you’re testing regional behaviors, troubleshooting latency, or working in a multi-region setup, this feature makes it easier to fine-tune your experience in the Data Explorer interface.  

Get started with selecting regions by: 

1. Sign in to your account with Entra Authentication through the Azure portal or directly through your Azure subscription. 
2. Open the Settings menu from the left top nav within Data Explorer. 
3. Use the Select Region drop-down to choose Global or a specific region. 

You can learn more at the Data Explorer Microsoft Learn Page. 

Special thanks to the devs and PM’s including: Craig Boger, Laurent Nguyen, Armando Trejo Oliver, Jade Welton, Jay Gordon, Aman Rao, Manik Khandelwal, and Abhilash Kolanthara 

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Azure Cosmos DB is a fully managed and serverless NoSQL and vector database for modern app development, including AI applications. With its SLA-backed speed and availability as well as instant dynamic scalability, it is ideal for real-time NoSQL and MongoDB applications that require high performance and distributed computing over massive volumes of NoSQL and vector data. 

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