---
sourceDocument: Brazil IT Operations Management
sourceDocumentLink: https://www.servicenow.com/docs/r/it-operations-management

 Release :

    - brazil

ft:locale :

    - en-US

ft:publication_title :

    - Brazil IT Operations Management

ft:clusterId :

    - itom

bundleId :

    - itom

workflow :

    - Technology


---

# DEX policies for non-persistent VDIs

# DEX policies for non-persistent VDIs {#ariaid-title1}

Release version: Brazil  
Updated September 10, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
DEX policies for Windows non-persistent (NP) Virtual Desktop Infrastructures (VDIs) define the check instances, frequencies, and parameters for application, network, and device monitoring.

## Policies for Windows --- Application {#dex-policies-np-vdis__section_lnp_r1b_bxb}

DEX provides the following policies for applications.  
{#dex-policies-np-vdis__table_cyl_3cq_53c__entry__5}

| Check instance | Description | Frequency | Historical or latest | Check instance parameters\* |
|-|-|-|-|-|
| os.win.check-app-historical | Collects app metrics from the non-persistent VDI Windows machine and sends metric data to MetricBase and the ServiceNow instance. | 5 minutes | Historical | cpu_usage, memory_usage, uptime, last_access_time, crashes, is_running, freezes |
| os.win.check-app-sccm-latest | Collects application-specific metrics for the Microsoft System Center Configuration Manager app on the Windows device. | 24 hours | Latest | Not applicable |
| Important: \* DEX Windows Apps Metrics with the uptime check instance parameter only runs with the Local System account. |||||
[ ]

{#dex-policies-np-vdis__table_cyl_3cq_53c}

## Policies for Windows --- Device {#dex-policies-np-vdis__section_x4q_2md_hwb}

DEX provides the following policies for non-persistent VDI devices.  
{#dex-policies-np-vdis__table_pvb_gdq_53c__entry__5}

|   |   |   |   |   |
|-|-|-|-|-|
| os.win.check-system-metrics-historical | Collects all historical metrics. | 5 minutes | Historical | memory_details, io_usage_write, io_usage_read, cpu_usage |
| os.win.check-system-metrics-latest | Collects all latest metrics. | 24 hours | Latest | cpu_usage |
[ ]

{#dex-policies-np-vdis__table_pvb_gdq_53c}