Jonathan Aerts

Jonathan Aerts

Senior Cloud Platform Architect focused on enterprise Azure platforms: Landing Zones, Terraform/Terragrunt module design, AKS, and Azure Virtual Desktop in regulated environments.

Azure Virtual Desktop: from POC to prod, the hardening checklist

Azure Virtual Desktop: from POC to prod, the hardening checklist

TL;DR. A fully private AVD POC that works is not a prod. Between the two: harden the FSLogix storage (NTFS ACLs, backup), automate secret rotation, wire up observability (AVD Insights + dedicate

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Deploying Azure Virtual Desktop End-to-End in a Landing Zone

Deploying Azure Virtual Desktop End-to-End in a Landing Zone

TL;DR. This is the deployment walkthrough for a fully private, Entra-only Azure Virtual Desktop environment inside a regulated Azure Landing Zone. Pooled Windows 11 multi-session on a **cust

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Azure Virtual Desktop in a regulated Landing Zone: the traps no doc tells you about

Azure Virtual Desktop in a regulated Landing Zone: the traps no doc tells you about

TL;DR. Deploying Azure Virtual Desktop fully private in a Landing Zone (Private Endpoints everywhere, Palo Alto NVA for egress, centralised DNS) works very well — once you know about a dozen

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The AVM ALZ accelerator is solid. Here's what we add on top (and what we'd do differently)

The AVM ALZ accelerator is solid. Here's what we add on top (and what we'd do differently)

TL;DR. The official Azure/avm-ptn-alz/azurerm module covers the essentials of an Azure Landing Zone correctly. Three things aren't in the box and cost us time: explicit pinning of the alz/`a

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Building 60+ Terraform Modules for an Azure Landing Zone

Building 60+ Terraform Modules for an Azure Landing Zone

Why Build From Scratch? When I started building our Azure Landing Zone at POST Luxembourg, the obvious question was: why not just use the Azure Verified Modules (AVM) directly? Three reasons fo

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Azure Landing Zone with Palo Alto NVA: Lessons Learned

Azure Landing Zone with Palo Alto NVA: Lessons Learned

Deploying Palo Alto VM-Series as a Network Virtual Appliance in an Azure Landing Zone sounds straightforward — until you actually do it. This article covers the hard-won lessons from building the fire

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SubnetWithNsg: How Azure Policy Deny Forced Me to Use azapi

SubnetWithNsg: How Azure Policy Deny Forced Me to Use azapi

The Problem Every production Azure Landing Zone deploys a Deny policy: "Subnets must have a Network Security Group." It is a security best practice — no subnet should exist without an NSG cont

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When terraform plan says 'no changes' and the feature is broken anyway

When terraform plan says 'no changes' and the feature is broken anyway

Everything was green. Workspace deployed, host pool up, users assigned, RBAC clean. Then a user opens Windows App and hits: "No devices or apps found." The feed never loads. Nothing in the Azure

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Why I Don't Use AVM Modules As-Is (And What I Do Instead)

Why I Don't Use AVM Modules As-Is (And What I Do Instead)

AVM Is Great — But Not For Everything Azure Verified Modules are the gold standard for Terraform on Azure. Microsoft maintains them, they follow

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