# Error in connection establishment: net::ERR\_NAME\_NOT\_RESOLVED

**URL:** <https://devforum.zoom.us/t/error-in-connection-establishment-net-err-name-not-resolved/41484>\
**Category:** Web\
**Created:** [January 25, 2021, 1:17pm UTC](https://devforum.zoom.us/t/error-in-connection-establishment-net-err-name-not-resolved/41484 "2021-01-25T13:17:27Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![dieffetech](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/dieffetech/32/22038_2.png) [@dieffetech](https://devforum.zoom.us/u/dieffetech)\
**Post date:** [January 25, 2021, 1:17pm UTC](https://devforum.zoom.us/t/error-in-connection-establishment-net-err-name-not-resolved/41484/1 "2021-01-25T13:17:27Z")

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Since this morning we have this error. How should we proceed?

failed: Error in connection establishment: net::ERR\_NAME\_NOT\_RESOLVED

WebSocket connection to ‘wss://zoomfr21rwg.fr.zoom.us/wc/api/93674925695?dn2=QW1taW5pc3RyYXRvcmUgQ29uZG9taW5pbw&auth=81SggVvH4Sf4r1wpsexJ0Q7\_SOJW0JMAbYkGaPV\_uiM&sign=T0staE5KTFlSb0dvd2c5VGFsaWJHUS45MzY3NDkyNTY5NS4xNjExNTgwMjczMDAwLjEuM2t5MVdYUkRjWlVZSzEzS28rbHo4TDBZOUlRTHBLLy9IaElNSGFRN2h5ST0&browser=Chrome87&trackAuth=iIwh-qfKJg5Vkldnj-qpPU8-vy0fx-uaJPFLdxwnLTU&mid=GR11LC7tQoybro0C9HBhig%3D%3D&tid=WEB\_2421bf60620345812614d718fb4de324&email=francesco.desiderio%40dieffe.tech&lang=en&zak=&tk=&ts=1611580304280&ZM-CID=3a1fb493-81c9-4dcf-bd83-6d06662be20d&\_ZM\_MTG\_TRACK\_ID=&jscv=1.7.8&mpwd=QBkqHQ&rwcAuth=MTYxMTU4MDMwNDgzOS4qfUHaehWHbGH6NCG0nOnOYYWv8DAk-yGhdtgbwdsYMA&cfs=0&as\_type=2&participantID=’ failed: Error in connection establishment: net::ERR\_NAME\_NOT\_RESOLVED  
value @ zoom-meeting-1.7.8.min.js:2

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**Author:** ![MaxM](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/maxm/32/42303_2.png) [@MaxM](https://devforum.zoom.us/u/MaxM)\
**Post date:** [January 25, 2021, 10:30pm UTC](https://devforum.zoom.us/t/error-in-connection-establishment-net-err-name-not-resolved/41484/2 "2021-01-25T22:30:06Z")

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Hey @dieffetech,

Thank you for reaching out to the Zoom Developer Forum. Please provide more information on where you’re seeing this error and how we can reproduce it. I’ll be sure to look into this further with that information.

Thanks,  
Max

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [January 25, 2021, 10:40pm UTC](https://devforum.zoom.us/t/error-in-connection-establishment-net-err-name-not-resolved/41484/3 "2021-01-25T22:40:48Z")

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Hey @dieffetech ,

Please also upgrade to the [latest version, 1.8.6](https://www.npmjs.com/package/@zoomus/websdk) 🙂

Thanks,  
Tommy

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [February 25, 2021, 8:40am UTC](https://devforum.zoom.us/t/error-in-connection-establishment-net-err-name-not-resolved/41484/4 "2021-02-25T08:40:53Z")

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Closed on February 25, 2021, 8:40am UTC

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