# Error after edge reboot - mqtt not connect to maingw - maingw error log SecureConnectionListener - Error while accepting secure connection from /10.117.128.10: Received fatal alert: certificate\_unknown **URL:** \ **Category:** MQTT Modules\ **Created:** [March 20, 2023, 8:32pm UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320 "2023-03-20T20:32:20Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![BruceA](https://avatars.discourse-cdn.com/v4/letter/b/f19dbf/32.png) [@BruceA](https://forum.cirrus-link.com/u/BruceA)\ **Post date:** [March 20, 2023, 8:32pm UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320/1 "2023-03-20T20:32:20Z")
Was just rebooting an ignition edge server. (did the same thing 3 days ago on a different edge server just fine) Now edge can not connect to mqtt - logs can ping maingw fine from edge maingw - pages of this error Error while accepting secure connection from /10.117.128.10: Received fatal alert: certificate\_unknown do make SSL connections web ssl cert is fine does not expire until May 2023 (2 more months) Called CL and Opened a ticket sent logs Very odd… ---
**Author:** ![BruceA](https://avatars.discourse-cdn.com/v4/letter/b/f19dbf/32.png) [@BruceA](https://forum.cirrus-link.com/u/BruceA)\ **Post date:** [March 20, 2023, 8:53pm UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320/2 "2023-03-20T20:53:00Z")
seems the ssl cert caching bug is still there in mqtt distb our cert was updtaded Feb 2023 (old expire date was Mar 19) Mqtt distributor did not pick that up (so if we expired the cert for security - that would not work also) bug ---
**Author:** ![BruceA](https://avatars.discourse-cdn.com/v4/letter/b/f19dbf/32.png) [@BruceA](https://forum.cirrus-link.com/u/BruceA)\ **Post date:** [March 20, 2023, 8:53pm UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320/3 "2023-03-20T20:53:34Z")
mqtt distributor module restart on maingw is the workaround fix ---
**Author:** ![Jacob](https://avatars.discourse-cdn.com/v4/letter/j/f1d935/32.png) [@Jacob](https://forum.cirrus-link.com/u/Jacob)\ **Post date:** [November 14, 2023, 7:56pm UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320/4 "2023-11-14T19:56:00Z")
Did you speak to support about this? I ask because I ran into this and was wondering if this will be fixed and when. ---
**Author:** ![BruceA](https://avatars.discourse-cdn.com/v4/letter/b/f19dbf/32.png) [@BruceA](https://forum.cirrus-link.com/u/BruceA)\ **Post date:** [November 16, 2023, 6:40pm UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320/5 "2023-11-16T18:40:12Z")
it has been a while last talk w them, no hook from ignition when cert is touched/changed. so no way for cl modules to know automatically Bruce Altmann [bruce@altmann.com](mailto:bruce@altmann.com) mobile +1-214-794-1320 ---
**Author:** ![Jacob](https://avatars.discourse-cdn.com/v4/letter/j/f1d935/32.png) [@Jacob](https://forum.cirrus-link.com/u/Jacob)\ **Post date:** [October 12, 2024, 5:49am UTC](https://forum.cirrus-link.com/t/error-after-edge-reboot-mqtt-not-connect-to-maingw-maingw-error-log-secureconnectionlistener-error-while-accepting-secure-connection-from-10-117-128-10-received-fatal-alert-certificate-unknown/320/6 "2024-10-12T05:49:19Z")
This error sucks, it got me again at 1 AM on a Friday night.