# Error 250001: Could not connect to Snowflake backend after 2 attempts

**URL:** <https://discourse.getdbt.com/t/error-250001-could-not-connect-to-snowflake-backend-after-2-attempts/13026>\
**Category:** Help\
**Tags:** snowflake, dbt-core\
**Created:** [April 23, 2024, 1:02pm UTC](https://discourse.getdbt.com/t/error-250001-could-not-connect-to-snowflake-backend-after-2-attempts/13026 "2024-04-23T13:02:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![yasminebmzgh](https://avatars.discourse-cdn.com/v4/letter/y/e68b1a/32.png) [@yasminebmzgh](https://discourse.getdbt.com/u/yasminebmzgh)\
**Post date:** [April 23, 2024, 1:02pm UTC](https://discourse.getdbt.com/t/error-250001-could-not-connect-to-snowflake-backend-after-2-attempts/13026/1 "2024-04-23T13:02:39Z")

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## Hello, my dbt config was working fine and I had to change my database and suddenly I can’t connect to snowflake anymore

## I tried to update python, dbt, install/unistall and create other env , I passed the exact same config to my colleague and he manage to connect. so it must be a issue that I have on my local machine but I can’t figure out where it comes from

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**Author:** ![Veg](https://avatars.discourse-cdn.com/v4/letter/v/3be4f8/32.png) [@Veg](https://discourse.getdbt.com/u/Veg)\
**Post date:** [May 21, 2024, 9:30am UTC](https://discourse.getdbt.com/t/error-250001-could-not-connect-to-snowflake-backend-after-2-attempts/13026/2 "2024-05-21T09:30:00Z")

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Hi, I had this error and struggled for a long time. Try running a curl against your Snowflake URL.  
For me it turns out I needed to remove my proxy from ALL\_PROXY (but could be HTTP\_PROXY or HTTPS\_PROXY).

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**Author:** ![yasminebmzgh](https://avatars.discourse-cdn.com/v4/letter/y/e68b1a/32.png) [@yasminebmzgh](https://discourse.getdbt.com/u/yasminebmzgh)\
**Post date:** [May 27, 2024, 7:49am UTC](https://discourse.getdbt.com/t/error-250001-could-not-connect-to-snowflake-backend-after-2-attempts/13026/3 "2024-05-27T07:49:06Z")

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Well I have found the solution to my issue, apparently I had to connect to vpn of my company to make the connection works with snowflake via dbt even tho I was already at the office xd

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**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/getdbt/original/1X/a7a7ca1fe379aaf90952b0e13118a817babcd14f.png) [@system](https://discourse.getdbt.com/u/system)\
**Post date:** [June 3, 2024, 7:49am UTC](https://discourse.getdbt.com/t/error-250001-could-not-connect-to-snowflake-backend-after-2-attempts/13026/4 "2024-06-03T07:49:34Z")

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