## Troubleshooting Microsoft Azure Cosmos DB connectivity

URL: https://docs.atlan.com/apps/connectors/database/microsoft-azure-cosmos-db/troubleshooting/troubleshooting-microsoft-azure-cosmos-db-connectivity

> Learn about troubleshooting microsoft azure cosmos db connectivity.

#### What are the known limitations of the Microsoft Azure Cosmos DB connector?

Following are the known limitations:

- Atlan currently does not support asset or column-level lineage for Microsoft Azure Cosmos DB.
- Microsoft Azure Cosmos DB displays MongoDB views as collections and does not provide metadata for view definition.
- Apache Cassandra, Apache Gremlin, Azure Table Storage, and PostgreSQL are currently not supported. To catalog accounts that use the NoSQL API, use the [Microsoft Azure Cosmos DB for NoSQL connector](https://docs.atlan.com/llms/connectors/microsoft-azure-cosmos-db-for-nosql/llms.txt).
- Microsoft Azure Cosmos DB for MongoDB deployment currently does not support service principal authentication with role-based access control (RBAC).
- Microsoft Azure Cosmos DB for MongoDB deployment does not support service principal authentication for vCore cluster-based deployments.

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