# Virtualization Monitoring Software - ManageEngine OpManager

## Unified Virtual machine(VM) monitoring across virtualized and HCI environments

- Monitor VM health and availability in real time
- Track CPU, memory, disk, and network usage for every VM
- All-in-one console for VMware, Hyper-V, Nutanix, Citrix Xen, and Proxmox
- See idle, oversized/ underused VMs in multi-hypervisor network in one view

![banner hero image](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-monitorning-hero-banner.webp)

## When VM issues go unnoticed, they get expensive fast

Most VM issues do not begin as obvious failures. They build quietly through rising CPU and memory usage, recurring process-level strain, and machines that gradually become less efficient over time. In multi-hypervisor environments, the problem multiplies. When VMware, Hyper-V, Nutanix AHV, and XenServer are monitored through separate tools, visibility gets fragmented, teams switch between consoles, and critical signals are easy to miss. That is where the cost adds up. More time spent troubleshooting, more capacity wasted across underused VMs, and more risk of performance issues reaching users. OpManager simplifies this by bringing VMware, Hyper-V, Nutanix, and XenServer monitoring into a single console, without the overhead of managing separate tools or licenses.

## How OpManager helps you stay ahead of VM issues

When VM issues start building, the hardest part is knowing what is changing, what is driving the strain, and where your team needs to act first. OpManager helps you stay ahead by bringing together the right VM-level signals, so it is easier to monitor performance, understand workload behavior, find wasted capacity, and make faster decisions before small issues spread.

### VM health

#### Keep an eye on VM health before small issues turn into bigger ones

- Monitor uptime, availability, and responsiveness for every VM, so your team knows when a machine starts becoming unstable or unavailable.
- Stay on top of the VMs behind important business services without waiting for users to tell you something feels off.

![VM health](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-health.webp)

### Resource usage

#### See when a VM is starting to use more than it should

- [Track CPU, memory, disk, and network usage](https://www.manageengine.com/network-monitoring/cpu-memory-disk.html?vm-mon) for each VM to catch unusual spikes and sustained resource stress early.
- Spot changes in behavior before they turn into recurring slowdowns, performance complaints, or drawn-out troubleshooting.

![VM resource usage](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-resource-usage.webp)

### Process-level insights

#### Find out what inside the VM is actually causing the problem

- [See process-level CPU and memory usage across VM, host, and cluster in one view](https://www.manageengine.com/network-monitoring/process-monitoring.html?vm-mon), so your team can quickly pinpoint whether the issue starts at the workload or infrastructure level.
- Separate application-level issues from general VM pressure and troubleshoot with much better context.

![Process-level insights](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-process-level-insights.webp)

### VM sprawl detection

#### Catch wasted capacity hiding in idle and oversized VMs

- Identify underused, forgotten, or over-provisioned VMs using actual usage data instead of assumptions.
- [Reduce VM sprawl, reclaim resources, and make cleanup decisions](https://www.manageengine.com/network-monitoring/tech-topics/how-to-prevent-vm-sprawl.html?vm-mon) with more confidence.

![VM Sprawl Detection](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-sprawl-detection.webp)

### Alerts & Reports

#### Track VM snapshots before they impact performance

- [Configure thresholds for snapshot age, size, datastore usage, and associated VMs at both VM and vCenter levels](https://www.manageengine.com/network-monitoring/vm-snapshot-monitoring.html?vm-mon) so breaches trigger alerts and notify the right teams instantly.
- Leverage historical trends, VM reports, and snapshot data to identify recurring slowdowns, support rightsizing, and plan resources more confidently.

![Automation and Workflow Actions](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-alerts-reports.webp)

![VM monitor | with OpManager](https://cdn.manageengine.com/sites/meweb/images/network-monitoring/images/vm-video-thumbnail-image.webp)

## What changes for your team with OpManager

### Your team spends less time chasing symptoms

With OpManager, teams can start with clear VM health, usage, and process-level signals instead of digging through scattered checks. That makes it easier to understand where to look first and move faster when performance issues show up.

### Slowdowns are easier to address before they affect the business

OpManager helps surface unusual VM behavior earlier through performance monitoring, [auto-adaptive thresholds](https://www.manageengine.com/network-monitoring/adaptive-thresholds.html?vm-mon), and trend visibility. That gives your team more time to respond before slowdowns start affecting users or critical services.

### Waste becomes easier to spot and harder to justify

With real usage data from OpManager, idle, oversized, and underused VMs are easier to identify. Teams can clean up low-value machines, reclaim capacity, and reduce waste with more confidence.

### Resource decisions become more informed

OpManager gives teams historical VM data they can actually use for sizing, cleanup, and allocation decisions. Instead of relying on assumptions, they can make changes based on how VMs behave over time.

### Growth feels more manageable

As VM environments expand, OpManager gives teams one place to monitor health, usage, and activity across more machines. That makes it easier to stay organized without adding more manual effort.

## Common VM management challenges OpManager helps you handle

### Why is my VM slow even when CPU and memory usage look normal?

#### What’s happening

*The VM is running, but users still report slowness. Basic CPU and memory checks don’t reveal the real issue, making troubleshooting slow and unclear.*

#### What OpManager makes easier

OpManager provides deeper VM visibility beyond basic metrics, helping teams identify whether performance issues are workload-related, temporary, or recurring.

### How do I identify oversized or underutilized VMs before rightsizing?

#### What’s happening

*Many VMs are either overprovisioned or barely used, but teams delay cleanup due to lack of clear usage evidence.*

#### What OpManager makes easier

OpManager uses VM utilization trends and reports to help IT teams confidently identify candidates for rightsizing and optimization.

### How can I stop recurring VM performance issues permanently?

#### What’s happening

*Minor VM slowdowns keep returning, creating repeated tickets and ongoing user frustration.*

#### What OpManager makes easier

OpManager highlights recurring patterns in VM performance so teams can move beyond temporary fixes and address root causes.

### How can I monitor all my VMs from a single console, regardless of hypervisor?

#### What’s happening

*As VM sprawl grows across environments, visibility becomes fragmented and hard to manage.*

#### What OpManager makes easier

OpManager provides centralized monitoring across virtual environments, helping teams track VM health, usage, and performance from one console.

### Are my VMs under-resourced or just poorly utilized?

#### What’s happening

*It’s often unclear whether performance issues are due to lack of resources or inefficient usage patterns.*

#### What OpManager makes easier

OpManager uses historical VM data to help teams distinguish between true resource constraints and poor utilization before making scaling decisions.

## Common questions teams ask before choosing a VM monitoring tool

### What is virtual machine monitoring?

Virtual machine monitoring is the process of tracking the health, availability, performance, and resource usage of individual virtual machines. It helps teams catch slowdowns early, understand unusual behavior, and keep important workloads stable.

### How is virtual machine monitoring different from virtualization monitoring?

Virtual machine monitoring focuses on individual VMs: how they are performing, how much they are using, and whether they are healthy. Virtualization monitoring is broader and usually includes hosts, hypervisors, clusters, and storage as well.

### What should you monitor in a virtual machine?

Teams usually monitor CPU, memory, disk activity, network usage, uptime, availability, and usage trends. Process-level visibility is also useful when you need to understand what inside the VM is actually causing the issue.

### Why do VMs slow down even when the wider environment looks fine?

Because not every problem starts at the infrastructure layer. A VM can slow down because of workload spikes, inefficient applications, recurring background activity, or poor resource allocation inside the machine itself.

### How can virtual machine monitoring help reduce waste?

It helps teams find idle, underused, or oversized VMs so they can reclaim capacity, reduce VM sprawl, and make more informed rightsizing decisions.

### Does OpManager support VMware and Hyper-V virtual machine monitoring?

Yes. OpManager supports monitoring virtual machines across VMware and Hyper-V environments from a centralized view.

## Discover more on Virtual Machine(VM) monitoring

### Featured

- Virtualization monitoring
- [Server monitoring](https://www.manageengine.com/network-monitoring/server-monitoring.html?vm-mon)
- [HCI monitoring](https://www.manageengine.com/network-monitoring/hyperconverged-infrastructure.html?vm-mon)

### Quick links

- [Blogs](https://www.manageengine.com/blog/general/overcome-your-virtual-machine-monitoring-woes-with-opmanager.html?vm-mon)
- [E-books](https://www.manageengine.com/network-monitoring/ebooks.html?storage-monitor)
- [Videos](https://www.manageengine.com/network-monitoring/videos.html?storage-monitor)
- [Case studies](https://www.manageengine.com/network-monitoring/customer-recommends.html?storage-monitor)
- [Awards and Recognitions](https://www.manageengine.com/network-monitoring/network-software-review.html?storage-monitor)

### Additional resources

- [Blog: Overcome your virtual machine monitoring woes with OpManager](https://www.manageengine.com/blog/general/overcome-your-virtual-machine-monitoring-woes-with-opmanager.html?vm-mon)
- [Video: Top 5 VM monitoring challenges and how OpManager helps](https://www.youtube.com/watch?v=OvROAXcQgXw&t=26s?vm-mon)
- [Help: Virtual server reports](https://www.manageengine.com/network-monitoring/help/virtual-server-reports.html?vm-mon)

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