I was able to fix the problem. Here is a the way I was able to get an older version free splunklight instance upgraded to the splunk enterprise free version. I highly recommend taking a snapshot or full backup before proceeding. If this procedure doesn't work for you, your splunk instance will be locked out with an invalid license. On a running splunklight free instance, download the latest splunk enterprise package and install it manually using your package manager. In my case, I'm using CentOS so I'll be using yum in the example. cd /tmp wget <latest splunk enterprise trial download link from website> yum install <splunk file downloaded above> /opt/splunk/bin/splunk start # scroll down and accept the EULA. If you browse your splunk site now it will say license expired. # stop splunk and clear all license files from disk, forcing it to grab a new one. /opt/splunk/bin/splunk stop rm /opt/splunk/etc/splunk-enttrial.lic rm -rf /opt/splunk/etc/licenses/* /opt/splunk/bin/splunk start # You should now have a working Splunk Enterprise Free instance running with all of your existing data. You'll know it worked if you see the Enterprise theme once you start it up again rather than the lite theme. ... View more