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openshift-docs/modules/microshift-short-term-certificate-rotation.adoc
2025-11-06 13:20:12 +00:00

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// Module included in the following assemblies:
//
// * microshift_troubleshooting/microshift-responsive-restarts-cas.adoc
:_mod-docs-content-type: CONCEPT
[id="microshift-short-term-certificate-rotation_{context}"]
= Short-term certificates rotation
[role="_abstract"]
Short-term certificates that are expired or close to their expiration dates must be rotated to ensure continued {microshift-short} operation.
The following situations describe {microshift-short} actions during short-term certificate lifetimes:
No rotation::
When a short-term certificate is up to 5 months old, no rotation occurs.
Rotation at restart::
When a short-term certificate is 5 to 8 months old, it is rotated when {microshift-short} starts or restarts.
Automatic restart for rotation::
When a short-term certificate is more than 8 months old, {microshift-short} can automatically restart to rotate and apply a new certificate.