As part of the Ambari 2.7 release, the schema for the Ambari Metrics System has significantly changed. This change requires additional steps to be performed before upgrading to HDP 3.1.x. As SmartSense depends on the Ambari Metrics System, SmartSense also requires similar handling. The following steps will guide you through upgrading the Ambari Metrics System and SmartSense.

	Note
	Before following these steps, ensure that the Ambari Metrics System and SmartSense are stopped and in Maintenance Mode. The HDP 3.1.5 version should be registered and the packages should be installed.

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Upgrading Ambari Metrics

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Upgrade Ambari

Register and Install Target Version