There may be an issue with journaling rule if there is a conflict between Transport & journaling rule
because Transport agent has priority then journaling agent.
Go to your exchange management console & type Get-Transportagent; see below Transport rule agent is at higher place
So change the priority of Journaling agaent by using Set-Transportagent command.
Set-Transportagent “journaling agent” -priority:1
Tech Wizard 
Much appreciated for the information and share!
Nancy
Thanks..
I was trying to configure journaling with no luck. This post helped me discover that the journaling agent had been disabled. With a quick “enable-transportagent “Journaling Agent” I’m now in business. Thank you!