Can't find specific events after upgrading Exchange Server to 2019 CU15
The audit of Exchange Server 2019 is only supported up to CU14; CU15 it is not supported for 7.5 agent version.
Agent 7.5 release notes
https://support.quest.com/technical-documents/change-auditor/7.5/release-notes/4#TOPIC-2271029
The solution would be to upgrade the environment to the latest CA 7.6, which already supports 2019 CU15
https://support.quest.com/technical-documents/change-auditor/7.6/release-notes/4#TOPIC-2313062
