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After upgrading Splunk Enterprise Security from 3.1 to 4.1.1, why did I get so many "correlation to fail" errors?

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These were the error messages I received: The search "Network - Substantial Increase in an Event - Rule" is related to the correlation search "Network - Event Count By Signature Per Hour - Context Gen" but it is not enabled even though the correlation search is; this will cause the correlation to fail 9/15/2016, 3:20:05 AM The search "Network - Unusual Volume of Network Activity - Rule" is related to the correlation search "Network - Traffic Source Count Per 30m - Context Gen" but it is not enabled even though the correlation search is; this will cause the correlation to fail 9/15/2016, 3:20:05 AM The search "Network - Substantial Increase in Port Activity (By Destination) - Rule" is related to the correlation search "Network - Port Activity By Destination Port - Context Gen" but it is not enabled even though the correlation search is; this will cause the correlation to fail 9/15/2016, 3:20:05 AM The search "Network - Unusual Volume of Network Activity - Rule" is related to the correlation search "Network - Traffic Volume Per 30m - Context Gen" but it is not enabled even though the correlation search is; this will cause the correlation to fail 9/15/2016, 3:20:05 AM The search "Endpoint - Host Sending Excessive Email - Rule" is related to the correlation search "Endpoint - Emails By Destination Count - Context Gen" but it is not enabled even though the correlation search is; this will cause the correlation to fail 9/15/2016, 3:20:05 AM The search "Endpoint - Host Sending Excessive Email - Rule" is related to the correlation search "Endpoint - Emails By Source - Context Gen" but it is not enabled even though the correlation search is; this will cause the correlation to fail 9/15/2016, 3:20:04 AM The list of indexes to be searched by default for the admin role includes the following summary indexes which may cause performance problems: summary 9/15/2016, 3:00:00 AM

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