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Latest Microsoft 365

Exchange Online Message Trace vs Mail Flow Rules: Diagnosing Delivery Failures Step by Step

Diagnose Exchange Online delivery failures: message trace in EAC and PowerShell, Get-MessageTraceV2, transport rule audits, and a repeatable runbook.

August 7, 2026 · 18 min read Read article →
Microsoft 365

Microsoft Purview Data Loss Prevention: A Step-by-Step Setup Guide for Endpoint and Email

Set up Microsoft Purview DLP end to end: licensing, Exchange and Endpoint policies, device onboarding, simulation mode, tuning, and PowerShell.

Thorsteinn Halldorsson · August 7, 2026 · 19 min read Intermediate
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Azure

Reserved Instances vs Savings Plans vs Spot VMs: An Azure Cost Optimization Comparison

Azure reserved instances vs savings plans vs spot VMs compared: discount ranges, flexibility, exchange rules, eviction risk, and a decision framework.

Thorsteinn Halldorsson · August 7, 2026 · 21 min read Intermediate
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Security

Entra ID Workload Identity Federation: Eliminating Secrets in CI/CD Pipelines

Entra ID workload identity federation replaces CI/CD client secrets with short-lived OIDC tokens. Full setup for GitHub Actions and Azure DevOps.

Thorsteinn Halldorsson · August 7, 2026 · 19 min read Intermediate
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Automation

Azure Functions Durable Orchestrations: Building Reliable Long-Running Automation Workflows

Build reliable long-running Azure automation with Durable Functions: chaining, fan-out/fan-in, timers, approval gates, retries, and versioning traps.

Thorsteinn Halldorsson · August 7, 2026 · 24 min read Intermediate
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Microsoft 365

Microsoft 365 Reporting in 2026: Usage Reports, Graph API, and Entra Logs

Microsoft 365 reporting without gaps: admin center usage reports, the Graph reports API, Entra log retention limits, and a monthly cadence that scales.

Thorsteinn Halldorsson · August 3, 2026 · 20 min read Intermediate
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Azure

Azure Cost Anomaly Detection: Setting Up Budgets, Alerts, and Automated Shutdowns

Azure cost anomaly detection done right: configure budgets, smart alerts, and auto-shutdown runbooks to stop cloud bill surprises before they escalate.

Thorsteinn Halldorsson · July 14, 2026 · 12 min read Intermediate
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Security

Conditional Access Gap Analysis: Finding and Fixing Coverage Holes with What-If

Conditional access gap analysis: use Microsoft's What-If tool and PowerShell to find unprotected users, apps, and sign-in paths before attackers do.

Thorsteinn Halldorsson · July 14, 2026 · 14 min read Intermediate
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AI

Prompt Caching with the Anthropic SDK: Cut Token Costs by 90%

Anthropic prompt caching turns repeated context into a 90% discount — here's the exact cache_control setup, math, and failure modes to check.

Thorsteinn Halldorsson · July 13, 2026 · 18 min read Intermediate
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AI

LangGraph vs CrewAI: Choosing an Agent Framework in 2026

LangGraph vs CrewAI compared on control flow, debugging, and cost so you pick the right multi-agent framework the first time.

Thorsteinn Halldorsson · July 13, 2026 · 21 min read Intermediate
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Recent Articles

  • Exchange Online Message Trace vs Mail Flow Rules: Diagnosing Delivery Failures Step by Step
  • Microsoft Purview Data Loss Prevention: A Step-by-Step Setup Guide for Endpoint and Email
  • Reserved Instances vs Savings Plans vs Spot VMs: An Azure Cost Optimization Comparison
  • Entra ID Workload Identity Federation: Eliminating Secrets in CI/CD Pipelines
  • Azure Functions Durable Orchestrations: Building Reliable Long-Running Automation Workflows
  • Microsoft 365 Reporting in 2026: Usage Reports, Graph API, and Entra Logs

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