<p>Enables <a href="https://docs.aws.amazon.com/kms/latest/developerguide/rotate-keys.html">automatic rotation of the key material</a> of the specified symmetric encryption KMS key. </p> <p>When you enable automatic rotation of a<a href="https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#customer-cmk">customer managed KMS key</a>, KMS rotates the key material of the KMS key one year (approximately 365 days) from the enable date and every year thereafter. You can monitor rotation of the key material for your KMS keys in CloudTrail and Amazon CloudWatch. To disable rotation of the key material in a customer managed KMS key, use the <a>DisableKeyRotation</a> operation.</p> <p>Automatic key rotation is supported only on <a href="https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#symmetric-cmks">symmetric encryption KMS keys</a>. You cannot enable automatic rotation of <a href="https://docs.aws.amazon.com/kms/latest/developerguide/symmetric-asymmetric.html">asymmetric KMS keys</a>, <a href="https://docs.aws.amazon.com/kms/latest/developerguide/hmac.html">HMAC KMS keys</a>, KMS keys with <a href="https://docs.aws.amazon.com/kms/latest/developerguide/importing-keys.html">imported key material</a>, or KMS keys in a <a href="https://docs.aws.amazon.com/kms/latest/developerguide/custom-key-store-overview.html">custom key store</a>. To enable or disable automatic rotation of a set of related <a href="https://docs.aws.amazon.com/kms/latest/developerguide/multi-region-keys-manage.html#multi-region-rotate">multi-Region keys</a>, set the property on the primary key. </p> <p>You cannot enable or disable automatic rotation <a href="https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#aws-managed-cmk">Amazon Web Services managed KMS keys</a>. KMS always rotates the key material of Amazon Web Services managed keys every year. Rotation of <a href="https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#aws-owned-cmk">Amazon Web Services owned KMS keys</a> varies.</p> <note> <p>In May 2022, KMS changed the rotation schedule for Amazon Web Services managed keys from every three years (approximately 1,095 days) to every year (approximately 365 days).</p> <p>New Amazon Web Services managed keys are automatically rotated one year after they are created, and approximately every year thereafter. </p> <p>Existing Amazon Web Services managed keys are automatically rotated one year after their most recent rotation, and every year thereafter.</p> </note> <p>The KMS key that you use for this operation must be in a compatible key state. For details, see <a href="https://docs.aws.amazon.com/kms/latest/developerguide/key-state.html">Key states of KMS keys</a> in the <i>Key Management Service Developer Guide</i>.</p> <p> <b>Cross-account use</b>: No. You cannot perform this operation on a KMS key in a different Amazon Web Services account.</p> <p> <b>Required permissions</b>: <a href="https://docs.aws.amazon.com/kms/latest/developerguide/kms-api-permissions-reference.html">kms:EnableKeyRotation</a> (key policy)</p> <p> <b>Related operations:</b> </p> <ul> <li> <p> <a>DisableKeyRotation</a> </p> </li> <li> <p> <a>GetKeyRotationStatus</a> </p> </li> </ul>

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