[[diagnose-unassigned-shards]]
== Diagnose unassigned shards

There are multiple reasons why shards might get unassigned, ranging from misconfigured
allocation settings to lack of disk space.

In order to diagnose the unassigned shards in your deployment use the following steps:

include::{es-ref-dir}/tab-widgets/troubleshooting/data/diagnose-unassigned-shards-widget.asciidoc[]

See https://www.youtube.com/watch?v=v2mbeSd1vTQ[this video]
for a walkthrough of monitoring allocation health.

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If you're using Elastic Cloud Hosted, then you can use AutoOps to monitor your cluster. AutoOps significantly simplifies cluster management with performance recommendations, resource utilization visibility, real-time issue detection and resolution paths. For more information, refer to https://www.elastic.co/guide/en/cloud/current/ec-autoops.html[Monitor with AutoOps].
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