That viral Microsoft 365 license chart has mistakes. Here is the fixed version
Day 1 of a new series on Microsoft 365 licensing and customization, checked against Microsoft's own plan comparison and service descriptions (Octobe…
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AADSTS50105 User Not Assigned to a Role for the Application: A Read-First Enterprise App Assignment Triage
Helpdesk: "Finance can't open the new expense app. Red page says AADSTS50105, the signed in user is not assigned to a role for the application. IT a…
Entra Seamless SSO Not Working: A Read-First Intranet Zone, Kerberos Ticket, and AZUREADSSOACC Triage
Helpdesk: "Outlook on the web used to just open on my desk PC. Now it asks for my password every morning." A second ticket from the same floor: the…
Pearson VUE Free Retake 2026: Which IT Certification Exams Qualify
The Pearson VUE free retake offer gives you one free second attempt if you fail an eligible exam. You must opt in, use the promo code from the email…
Entra Connect Sync Errors Detected: A Read-First Duplicate Attribute, Soft Match, and 8344 Permission Triage
The daily email says Microsoft Entra Connect sync errors detected . Connect Health lists an AttributeValueMustBeUnique on a new hire's proxyAddresse…
Simplifying Azure Resources inventory
I recently went through a large Infrastructure as Code migration. If you have ever done one, you know you spend a massive amount of time just trying…
Defender for Endpoint Day 4: advanced hunting, and fixing portal and TVM problems
My Day 4 notes on Defender for Endpoint, rewritten as a "what breaks, why, how to fix" guide and checked against Microsoft Learn (October 2026). Day…
"Your Organization Has Disabled This Device" (AADSTS135011): A Read-First Entra Device Triage
A user opens Outlook or Word and gets "Something went wrong. Your organization has disabled this device. To fix this, contact your system administra…
AADSTS53003 Blocked by Conditional Access: A Read-First Sign-In Log Triage
A user forwards a screenshot: "You cannot access this right now" and, under More details , AADSTS53003: Access has been blocked by Conditional Acces…
BitLocker Recovery Key Missing from Intune or Entra: A Read-First Escrow Triage
Helpdesk has a locked laptop and a recovery prompt. You open Intune admin center > Devices > [device] > Recovery keys (or Entra admin cente…
Entra ID Break-Glass Accounts: Best Practices After Mandatory MFA
A lot of tenants still have the same break-glass setup: one cloud-only Global Admin, a long password in a safe, and "excluded from MFA" written on t…
The Embedding Rematch
The Shortlist Decides First ended with a caveat I promised to resolve: the retriever in that experiment was BM25, a lexical matcher, and its catastr…
GitHub Actions architecture review gate for Azure pull requests
TL;DR: An architecture review gate is a GitHub Actions job that checks every pull request against thresholds you set for Well-Architected score, hig…
Day 62: Secrets and Tags
Day 62 of DevOps, Day 12 of Azure. Both tasks today turned on a name I did not choose. Kubernetes named the file inside my Secret after the file on…
Microsoft Graph PowerShell SDK v2: The Enterprise Automation Engine for Entra ID
The deprecation of legacy PowerShell modules (AzureAD, AzureADPreview, and MSOnline) forced identity and cloud security teams worldwide to migrate t…
How to Prepare for Microsoft Exam AI-103: 2026 Blueprint & Free 180-Question Practice Hub
Microsoft's AI-102 exam is officially retired , and the new active certification is Exam AI-103: Developing AI Apps and Agents on Azure (earning you…
Azure Functions vs WebJobs: Choosing the Right Tool
In cloud applications, background processing is often needed for scheduled tasks, queue processing, and operations that should run independently of…
The full pg_duckdb extension on Azure Database for PostgreSQL
In my previous post, Amazon Aurora's analytics being DuckDB — a side-by-side comparison with pg_duckdb , I examined Aurora Analytics in detail along…
Azure Container Apps vs Cloud Run: Which is Right for Your Deployment?
Introduction As cloud-native applications continue to gain traction, developers are increasingly looking for efficient ways to deploy their services…
Tagging 8,700 exam questions with an LLM, and why the Portuguese and English versions disagreed
I'm building NaHero ( https://nahero.site ) on my own. It's a set of timed practice exams for AWS, Azure and Google Cloud certifications, in Brazili…
Kubernetes 1.34 End of Life: What Actually Happens on EKS, GKE, and AKS
Kubernetes 1.34 reaches end of life upstream on October 27, 2026 . If you run it on EKS, GKE, or AKS, that date by itself changes very little. Each…
The Complete Picture: Azure Container Apps + Dapr Reference Architecture for .NET
What does the finished stack buy for its floor, and which seam between its layers breaks first? Priced in West Europe, the layers in front of the co…
Durable Task in the Real World: What Problems Does It Actually Solve?
I've never exactly hidden the fact that I think Durable Task is cool. But "cool" is not a use case. Some people would probably say a chainsaw is coo…
When Azure Verified Modules appeared, I had to decide what of my own work to throw away
When a credible standard appears next to work you already own, most of that work quietly splits into three piles you cannot tell apart by looking: t…
Out with AI-900, In with AI-901: Microsoft's Upgraded AI Certification Guide
Out with AI-900, In with AI-901: Microsoft Just Upgraded Its Most Popular AI Certificate! 🚀👉 If you still have "AI-900" on your upskilling checklis…
DEPLOYING AN AZURE LINUX VM WITH TERRAFORM AND AZURE REMOTE STATE
What if you could build an entire Azure server environment without opening the Azure Portal and clicking your way through dozens of configuration sc…
The Model Was Never the Problem
The shortlist post ended with a promise: stage two of the eval, selection within the shortlist, measured with a live model, scored so that a recall…
Free AWS, Azure and GCP architecture icons as SVG
I queried the registry and counted. Amazon publishes 739 architecture icons, Microsoft 626, and Google 214. Together that is 1,579 icons across thre…
Sizing the Subnet: What Nobody Tells You About Microsoft Foundry Agent Service Networking Until Production Falls Over
Sizing the Subnet: What Nobody Tells You About Microsoft Foundry Agent Service Networking Until Production Falls Over You provisioned a Foundry Agen…
The Shortlist Decides First
The eval this post runs was designed by the readers. A commenter on What the Agent Pays for Discovery reframed tool selection as a two-stage system:…