# Herelink activation error: Cannot connect to server

**URL:** <https://discuss.cubepilot.org/t/herelink-activation-error-cannot-connect-to-server/17795>\
**Category:** HereLink\
**Created:** [11 August 2026 14:27 UTC](https://discuss.cubepilot.org/t/herelink-activation-error-cannot-connect-to-server/17795 "2026-08-11T14:27:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sandeep\_Shah](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/sandeep_shah/32/9804_2.png) [@Sandeep\_Shah](https://discuss.cubepilot.org/u/Sandeep_Shah)\
**Post date:** [11 August 2026 14:27 UTC](https://discuss.cubepilot.org/t/herelink-activation-error-cannot-connect-to-server/17795/1 "2026-08-11T14:27:51Z")

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_Hi team, my Herelink controller is showing the “cannot connect to server” error when I try to activate it. I have already reflashed the unit using a PC and verified my Wi-Fi settings. Can you please check my serial number and verify if my key is blocked on the server?My Device Serial Number is: [WYWW-NJYD-EUJB-MM7Z]_