Desktop Virtualization host pool should limit max session count

Medium Azure General hostpools-desktop-virtualization-host-pool-2

Applies to

Microsoft.DesktopVirtualization/hostPools

What CGPulse checks

A resource passes this rule when maxSessionLimit must be set true. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Configure a maximum session limit to prevent resource exhaustion and ensure consistent performance. In Azure Portal: Host pool > Properties > set Max session limit. See: https://learn.microsoft.com/en-us/azure/virtual-desktop/configure-host-pool-load-balancing

CLI

az desktopvirtualization hostpool update --ids "{id}" --max-session-limit 10

Terraform

resource "azurerm_virtual_desktop_host_pool" "{name}" {
  name                     = "{name}"
  resource_group_name      = "{rg}"
  location                 = var.location
  type                     = "Pooled"
  load_balancer_type       = "BreadthFirst"
  maximum_sessions_allowed = 10
}

Compliance frameworks

Cloud Security: Azure Foundations

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