MSDN Azure Documentation

Azure SQL Database Error Codes

• 200 Success

  Indicates that the operation was successful.

• 400 Bad Request

  The request was malformed or invalid. Check your syntax.

  See: Troubleshooting invalid requests

• 401 Unauthorized

  Authentication failed. Ensure your credentials are correct and have the necessary permissions.

  See: Authentication and authorization in Azure SQL Database

• 403 Forbidden

  You do not have permission to perform this action. Contact your administrator.

  See: Role-based access control (RBAC) for Azure resources

• 404 Not Found

  The requested resource could not be found. Verify the resource identifier.

• 409 Conflict

  The request could not be completed due to a conflict with the current state of the resource. For example, a resource with the same name already exists.

• 429 Too Many Requests

  You have exceeded the allowed rate of requests. Implement retry logic with exponential backoff.

  See: Azure SQL Database throttling

• 500 Internal Server Error

  An unexpected error occurred on the server. Please try again later. If the problem persists, contact Azure support.

• 400100 InvalidOperation

  The requested operation is not allowed for the current database state.

• 400101 InvalidParameter

  One or more parameters in the request are invalid.

• 400102 InvalidResourceName

  The specified resource name is invalid or violates naming conventions.

• 400202 InvalidFilterClause

  The filter clause in the request is invalid.

• 401001 AuthenticationFailed

  The provided authentication credentials are invalid.

• 403001 NotAuthorized

  The authenticated user does not have sufficient permissions.

• 404001 ResourceNotFound

  The specified Azure SQL Database resource does not exist.

• 404002 DatabaseNotFound

  The specified database within the server could not be found.

• 409001 ResourceAlreadyExists

  A resource with the same name already exists.

• 409002 DatabaseAlreadyExists

  A database with the specified name already exists on the server.

• 429001 ThrottlingException

  Request rate exceeded for the given resource. Implement exponential backoff.

• 500001 InternalServerError

  An unexpected error occurred on the Azure SQL Database service.

• 500002 ServiceUnavailable

  The Azure SQL Database service is temporarily unavailable.