---
title: "Virtual Machines. Guest OS Summary"
description: "This report analyzes virtual infrastructure configuration to show all types of guest OSes installed on VMs, and the number of VMs that run OS of a specific type."
canonical: "https://helpcenter.veeam.com/docs/mp/vmware_guide/vm_guest_os_summary.html"
breadcrumb: "Veeam MP for VMware User Guides > Operations Guide > Reports > Veeam VMware Analysis Reports > Virtual Machines. Guest OS Summary"
dateModified: "2026-09-08"
---

# Virtual Machines. Guest OS Summary

This report analyzes virtual infrastructure configuration to show all types of guest OSes installed on VMs, and the number of VMs that run OS of a specific type.

## Example Output

In this example, the report allows you to show top 10 most commonly used VM guest OSes in your environment for the previous two months.

To run this report:

1. From the **From** list, select *Previous month > First day*. From the **To** list, select *Today*.
2. From the **Merge Editions** list, select *No (Not merged)*.
3. From the **Merge Bits** list, select *No (Not merged)*.
4. In the **Count** field, enter *10*.
5. Leave the **Scope** section without changes.
6. Click **Run** to view the report.

[![Guest OS Summary Report Settings](images/guest_os_summary_controls.png "Guest OS Summary Report Settings")](images/guest_os_summary_controls.png){.toggle scale=65}

The report will show a top-10 list of guest operating systems installed on VMs in your environment. For each guest OS, the report will display a number of VMs which run the OS.

[![Guest OS Summary Report Output](images/guest_os_summary_output.png "Guest OS Summary Report Output")](images/guest_os_summary_output.png){.toggle scale=65}