Hi jonathan.Iam,
if you still need an answer on this topic, here is one 🙂
in older Splunk releases it used to be 24 hours before you get into trouble if your license master is gone.
Now with Splunk 6.1.3, if the license master is down or unreachable for any reason, the license slave starts a 72 hour timer. If the license slave cannot reach the license master for 72 hours, search is blocked on the license slave (although indexing continues).
Nevertheless here is the doc about How to swap the license master
cheers, MuS
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