There is no Splunk solution for UF upgrade managment, however it may be added into Splunk in future. There is a script below that you can adapt and use, but it comes with no support. You may also consider SCCM for upgrading the UF, or Puppet for example. https://community.splunk.com/t5/Getting-Data-In/What-script-should-I-use-to-upgrade-multiple-universal/m-p/467915
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