# Device not online (mender server not detect my device) since 2024-05-20

**URL:** <https://hub.mender.io/t/device-not-online-mender-server-not-detect-my-device-since-2024-05-20/6857>\
**Category:** General Discussions\
**Created:** [May 28, 2024, 7:23pm UTC](https://hub.mender.io/t/device-not-online-mender-server-not-detect-my-device-since-2024-05-20/6857 "2024-05-28T19:23:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![shimizus](https://avatars.discourse-cdn.com/v4/letter/s/a9a28c/32.png) [@shimizus](https://hub.mender.io/u/shimizus)\
**Post date:** [May 28, 2024, 7:23pm UTC](https://hub.mender.io/t/device-not-online-mender-server-not-detect-my-device-since-2024-05-20/6857/1 "2024-05-28T19:23:55Z")

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Dear members,

My registered device not online since 2024-05-20.  
device power on some times, however, mender server not detect my device.  
no change my firmware, software…

I noticed that server maintenace had done around 2024-05-20.  
Any effect that ?

Do you have any information ?  
Any advice would be highly appreciated.

thx