We upgraded Splunk Enterprise version 9.0.0 from 8.2.5 and it did the upgrade of mongodb as part of the upgrade process, make sure you have enough disk space.  You can also do the upgrade beforehand.  If you are on version 3.6 it will do a hop to 4.0 before the final upgrade to 4.2.  Check the version in use here: splunk show kvstore-status --verbose |grep serverVersion.  It freed up tons of disk space for us after the upgrade, helps a lot if you have large kvstores. ... View more

Firstly - you should incorporate all that's needed for an app within an app. So a user that installs an app doesn't have to fiddle with manually resolving dependencies and making os-level changes. Of course it's not always possible, often for licensing reasons, but that's the good practice and the goal you should be striving for. Secondly - see https://dev.splunk.com/enterprise/docs/developapps/createapps/appanatomy/#Considerations-for-Python-code-files   ... View more

Hello, i am also facing the same error when i try to setup the service now account in splunk..  is there a solution for this ... View more

And you put those props and transforms where? ... View more

Hi, in my case there was an application not compatible with Python 3 which I forgot to update (you can check the apps to update with Python Readiness App). Once updated the application, the Splunk upgrade worked as expected. Hope this may help. ... View more