# Is it safe to modify system index template settings? **URL:** \ **Category:** Elasticsearch\ **Created:** [November 27, 2022, 9:38pm UTC](https://discuss.elastic.co/t/is-it-safe-to-modify-system-index-template-settings/319894 "2022-11-27T21:38:42Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![windows95](https://avatars.discourse-cdn.com/v4/letter/w/a8b319/32.png) [@windows95](https://discuss.elastic.co/u/windows95)\ **Post date:** [November 27, 2022, 9:38pm UTC](https://discuss.elastic.co/t/is-it-safe-to-modify-system-index-template-settings/319894/1 "2022-11-27T21:38:42Z")
I have a single node installation. This leads to an yellow/unhealthy status when indices have replication configured. In my case there are these system indices which cause problems: .internal.alerts-observability.logs.alerts-default-\* .siem-signals-default-\* When I attempt to edit the template setting for these indices I get a warning that this could break Kibana. Is it safe to just deactivate replication? ---
**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\ **Post date:** [November 30, 2022, 1:03am UTC](https://discuss.elastic.co/t/is-it-safe-to-modify-system-index-template-settings/319894/2 "2022-11-30T01:03:56Z")
It depends. You can do it, but they will be overwritten when you upgrade. What version are you running? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [December 28, 2022, 1:04am UTC](https://discuss.elastic.co/t/is-it-safe-to-modify-system-index-template-settings/319894/3 "2022-12-28T01:04:25Z")
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