SC 2019 Operations Manager enables you to monitor services, devices, and operations from a single console. Numerous views show the state, health, and performance information, as well as alerts generated for availability, performance, configuration and security situations. Specifically for virtualization and cloud aspects you can connect System Center 2019 Virtual Machine Manager (VMM) with Operations Manager to monitor the health and availability of the virtual machines and virtual machine hosts that VMM manages. You can also monitor health and availability of the VMM management server, the VMM database server, library servers and see diagram views of the virtualized environment through the Operations console in Operations Manager.A close integration between System Center 2019 Virtual Machine Manager and System Center 2019 Operations Manager introduces System Center cloud monitoring of virtual layers for private cloud environments. To get this new functionality, use the System Center 2019 Management Pack for System Center 2016 Virtual Machine Manager Dashboard, which is imported automatically when you integrate Operations Manager and Virtual Machine Manager.With System Center 2019 management packs are also updated with new metrics for chargeback purposes that are based both on allocation and utilization. This provides better integration with chargeback and reporting, and enables monitoring of tenant-based utilization of resources that allows chargeback and billing.
If you dont have System Center Suite, you can leverage Azure to provide some hybrid features such as Azure Update Management, Azure Automation or Azure Monitor. Azure Update Management provides the ability to handle updates for your Windows Infrastructure. It provides also an inventory and a change tracking systyem. Azure Automation can help you to automate some tasks through PowerShell script and finally Azure Monitor can monitor, aggregates log and notify you.
Windows Admin Center is the bridge between the On-Prem and Azure world.