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JEMH is disabled on startup in Manage Apps
JEMH is disabled on startup in Manage Apps
Problem
JEMH may not load because other apps are still initialising, maybe JEMH is still performing an upgrade task.
Solution
From https://community.atlassian.com/t5/Jira-Software-questions/jira-start-up-error/qaq-p/719330#U1325425
Try setting a startup property, increase as needed, below is a link to the Atlassian page on increasing memory, do this in the same way
-Datlassian.plugins.enable.wait=300