# Unable to connect Flight Server

**URL:** <https://community.dremio.com/t/unable-to-connect-flight-server/10499>\
**Category:** Dremio University\
**Created:** [April 11, 2023, 7:44am UTC](https://community.dremio.com/t/unable-to-connect-flight-server/10499 "2023-04-11T07:44:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Arnie](https://avatars.discourse-cdn.com/v4/letter/a/ba9def/32.png) [@Arnie](https://community.dremio.com/u/Arnie)\
**Post date:** [April 11, 2023, 7:44am UTC](https://community.dremio.com/t/unable-to-connect-flight-server/10499/1 "2023-04-11T07:44:38Z")

</div>

Hello  
I just tried to query Dremio EE 20.4.2 through Arrow Flight using sample code (examply/py) in documentation : [Dremio](https://docs.dremio.com/software/client-applications/python/).

I always get the same error

 ![image](https://us1.discourse-cdn.com/flex020/uploads/dremio/original/2X/4/44b87f1a8159616e64aad8153446ecd76a7069b3.jpeg)

My authentication does not pass …

Where did I fail ?