# Mac cannot connect to the s3.eu-central-1.amazonaws.com

**URL:** <https://forum.knime.com/t/mac-cannot-connect-to-the-s3-eu-central-1-amazonaws-com/89685>\
**Category:** KNIME Community Hub\
**Tags:** bug\
**Created:** [August 23, 2025, 3:22pm UTC](https://forum.knime.com/t/mac-cannot-connect-to-the-s3-eu-central-1-amazonaws-com/89685 "2025-08-23T15:22:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sponge\_love](https://forum-cdn.knime.com/letter_avatar_proxy/v4/letter/s/85e7bf/32.png) [@Sponge\_love](https://forum.knime.com/u/Sponge_love)\
**Post date:** [August 23, 2025, 3:22pm UTC](https://forum.knime.com/t/mac-cannot-connect-to-the-s3-eu-central-1-amazonaws-com/89685/1 "2025-08-23T15:22:53Z")

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I uploaded my workflow to the air with windows system laptop, while I cannot download my workflow with my Mac. There are something wrong with [s3.eu-central-1.amazonaws.com](http://s3.eu-central-1.amazonaws.com) connecting to the Mac machine, although I use VPN or change the DNS.

 ![截圖 2025-08-23 19.52.04](https://forum-cdn.knime.com/uploads/default/original/3X/4/9/497f027be3da9dbb69769bf4e363e8f93190838f.jpeg)

And there has another issue that the workflow cannot be dragged from the web when I use the MacOS.

 ![截圖 2025-08-20 23.34.53](https://forum-cdn.knime.com/uploads/default/original/3X/0/6/065880db8556baed4faebb11e8c14f8f74c78c43.png)  
Here I upload some connection problems I had with the MacOS system, if someone has solution. Hope u can share ur experience.

Thanks

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<div class="post-metadata">

**Author:** ![mwiegand](https://forum-cdn.knime.com/user_avatar/forum.knime.com/mwiegand/32/66896_2.png) [@mwiegand](https://forum.knime.com/u/mwiegand)\
**Post date:** [October 20, 2025, 7:56pm UTC](https://forum.knime.com/t/mac-cannot-connect-to-the-s3-eu-central-1-amazonaws-com/89685/2 "2025-10-20T19:56:26Z")

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Hi @Sponge_love,

do you use the same AWS IAM Access and Secret Key on both your Windows and Mac?

Also, if you could provide a screenshot of both workflows so I could get a better understanding of your setup, would greatly help.

Best, Mike  
_CTO @ DataNautics GmbH - Your KNIME-Experts  
Contact: [info@datanautics.gmbh](mailto:info@datanautics.gmbh) // [datanautics.gmbh](https://datanautics.gmbh/) // [+49(0)170-325 713 9](https://tel:+49(0)170-325%20713%209/) // [Linkedin](https://www.linkedin.com/company/datanautics-gmbh)  
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