Hi @Xueming Wang,
As I understand, you are experiencing an issue where the Data Explorer is disabled, preventing you from creating a table or adding an entity. There are a few common reasons why this might happen:
- If RBAC is enforced on your Cosmos DB account, the Data Explorer in the Azure portal might not support it. You can use the dedicated Azure Cosmos DB Explorer instead.
- Ensure that your device has the necessary network access. For accounts with selected network access, you might need to add a firewall rule to allow your current IP address.
- The Data Explorer isn't available for certain APIs like PostgreSQL or vCore.
For more information, please refer the documents:
https://learn.microsoft.com/en-us/troubleshoot/azure/cosmos-db/account-admin/data-explorer
https://learn.microsoft.com/en-us/azure/cosmos-db/data-explorer
Here is a similar thread that might be helpful to you.
Hope this helps. Do let us know if you any further queries.
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