Hello, we have the same issue and opened a case. We get a workaround from the support: Copy the manifest file cd /opt/splunk; cp -p splunk-9.0.2-17e00c557dc1-linux-2.6-x86_64-manifest{,.orig} Print all lines to the new manifest file, but not the upgrade readiness lines cat splunk-9.0.2-17e00c557dc1-linux-2.6-x86_64-manifest.orig | grep -v python_upgrade_readiness_app > splunk-9.0.2-17e00c557dc1-linux-2.6-x86_64-manifest Splunk restart This commands works on *nix systems, for windows use similar commands. ... View more