DEX policies for persistent VDIs

reference brazil Updated Sep 10, 2026 2 min read dex-policies-persistent-vdis.md
Raw file servicenow.com

DEX policies for Windows persistent Virtual Desktop Infrastructures (VDIs) define the check instances, frequencies, and parameters for application, network, and device monitoring.

Policies for Windows persistent VDIs — Application

DEX provides the following policies for persistent VDI applications.

Check instance

Description

Frequency

Historical or latest

Check instance parameters*

os.win.check-app-historical

Collects the application metrics on the persistent VDI Windows device and sends the metric data to MetricBase.

5 minutes

Historical

cpu_usage, memory_usage, uptime, last_access_time, crashes, io_usage_read, io_usage_write, is_running, freezes, zscaler_service_status

os.win.check-app-sccm-latest

Collects application-specific metrics for the Microsoft System Center Configuration Manager app on the persistent VDI 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.

## Policies for Windows persistent VDIs — Application Network Experience

Note: These policies have the following limitations:

  • A tracert command is used to get the network path.
  • ANE doesn't work for path in the domain URL. Example: <domain>/<path>

DEX provides the following policies for persistent VDIs applications.

Check instance Description Frequency Historical or latest Check instance parameters
os.win.check-app-dom-network-historical Collects Windows installed apps network monitoring metrics like latency, packet loss, and jitter and sends monitoring data to MetricBase and the ServiceNow instance. 10 minutes Historical domain_network_details
os.win.check-web-app-dom-net-historical Collects Windows web apps network monitoring metrics like latency, packet loss, and jitter and sends monitoring data to MetricBase and the ServiceNow instance. 10 minutes Historical domain_network_details

Policies for Windows persistent VDIs — Device

DEX provides the following policies for persistent VDI devices.

Check instance

Description

Frequency

Historical or latest

Check instance parameters*

os.win.check-system-metrics-latest

Collects Windows device metrics and sends the metric data to the ServiceNow instance.

24 hours

Latest

uptime, logged_in, antivirus_enabled, firewall_enabled, disk_details, device_details, battery_details, bsod_details, cpu_details, os_details, power_plan, stability_index, pending_updates, network_details, bitlocker_details, user_profiles, antimalware_details, hard_drive_status, peripheral_devices_details, device_events, last_access_time, os_setup_details, cpu_usage, memory_details, bios_details, network_connection_profiles, network_adapter_details, boot_details, reboot_details

Important: * DEX Windows Device Metrics with the following check instance parameters runs only with a Local System account: bitlocker_details, last_access_time, pending_updates, user_profiles.

os.win.check-system-metrics-historical

Collects Windows device metrics and sends the metric data to MetricBase.

30 minutes

Historical

network_connection_profiles

os.win.check-system-metrics-historical

Collects Windows device metrics and sends the metric data to MetricBase.

5 minutes

Historical

disk_usage, disk_available, io_usage_write, io_usage_read, memory_details, cpu_usage, battery_charge_percentage, energy_consumption, wifi_transmit_rate, wifi_receive_rate, wifi_signal_strength, uptime, disk_details, cpu_performance_details, crashes, power_consumption, gpu_usage, gpu_vram_usage

os.win.check-process-data

Collects data for running Windows processes and sends the data to the ServiceNow instance.

24 hours

Not applicable

Not applicable

os.win.check-sys-compliance-historical

Collects Windows device metrics and sends the metric data to the ServiceNow instance.

5 minutes

Historical

Not applicable

os.win.check-sys-compliance-latest

Collects Windows device metrics and sends the metric data to the ServiceNow instance.

24 hours

Latest

Not applicable

os.win.check-system-executables-latest

Collects all the executables present on all volumes of a Windows device.

24 hours

Latest

config_file_read

os.win.check-system-registry-latest

Gets registry data on a Windows device.

24 hours

Latest

config_file_read

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