​​Тут, внезапно, Microsoft выпустили накопительные обновления (Update Rollup) для System Center 2019:

Data Protection Manager 2019 - https://support.microsoft.com/en-us/help/4533416/update-rollup-1-for-system-center-2019-data-protection-manager
Operations Manager 2019 - https://support.microsoft.com/en-us/help/4533415/update-rollup-1-for-system-center-operations-manager-2019
Orchestrator 2019 - https://support.microsoft.com/en-us/help/4533414/update-rollup-1-for-system-center-orchestrator-2019
Service Manager 2019 - https://support.microsoft.com/en-us/help/4532891/update-rollup-1-for-system-center-service-manager-2019
Virtual Machine Manager 2019 - https://support.microsoft.com/en-us/help/4533411/update-rollup-1-for-system-center-virtual-machine-manager-2019