# Prometheus alert manager failed to start

**URL:** <https://forums.percona.com/t/prometheus-alert-manager-failed-to-start/15997>\
**Category:** Percona Monitoring and Management (PMM)\
**Created:** [June 6, 2022, 1:22pm UTC](https://forums.percona.com/t/prometheus-alert-manager-failed-to-start/15997 "2022-06-06T13:22:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![alem](https://avatars.discourse-cdn.com/v4/letter/a/f6c823/32.png) [@alem](https://forums.percona.com/u/alem)\
**Post date:** [June 6, 2022, 1:22pm UTC](https://forums.percona.com/t/prometheus-alert-manager-failed-to-start/15997/1 "2022-06-06T13:22:58Z")

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× alertmanager.service - Alertmanager  
Loaded: loaded (/etc/systemd/system/alertmanager.service; disabled; vendor preset: disabled)  
Active: failed (Result: signal) since Mon 2022-06-06 12:08:17 CET; 4s ago  
Process: 5487 ExecStart=/usr/local/bin/alertmanager --config.file=/etc/AlertManager/alertmanager.yml (code=killed, signal=SEGV)  
Main PID: 5487 (code=killed, signal=SEGV)  
CPU: 2ms

Jun 06 12:08:17 asi systemd[1]: Started Alertmanager.  
Jun 06 12:08:17 asi systemd[1]: alertmanager.service: Main process exited, code=killed, status=11/SEGV  
Jun 06 12:08:17 asi systemd[1]: alertmanager.service: Failed with result ‘signal’.

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<div class="post-metadata">

**Author:** ![Michael\_Coburn](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/michael_coburn/32/18_2.png) [@Michael\_Coburn](https://forums.percona.com/u/Michael_Coburn)\
**Post date:** [July 6, 2022, 1:57pm UTC](https://forums.percona.com/t/prometheus-alert-manager-failed-to-start/15997/2 "2022-07-06T13:57:21Z")

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Hi @alem did you solve this? Looks like you may have customized the alertmanager configuration?