September 2026 Patch Tuesday: 966 Fixes, Two Zero-Days to Triage First
September 2026 patch tuesday shipped 966 fixes and two exploited zero-days — the triage order, expedite paths, and KQL to run while you deploy.
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Tag
Tag: PowerShell
8 articles
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.
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Automating Microsoft 365 with PowerShell: The Graph SDK Way in 2026
Automate Microsoft 365 with PowerShell and the Graph SDK: app-only auth, bulk licensing, Exchange and Teams recipes, and unattended Azure runbooks.
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Automate Windows Server Patching with PowerShell and Azure Update Manager
Automate Windows Server patching at scale using PowerShell and Azure Update Manager — cut patch cycles from days to hours with zero-touch deployments.
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PowerShell Error Handling Patterns Every Sysadmin Should Use
PowerShell error handling done right: master Try/Catch, $ErrorActionPreference, and robust logging patterns to build bulletproof automation scripts.
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PowerShell 7 vs Windows PowerShell 5.1: What You Need to Know
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Azure AD Conditional Access Policies: Complete Setup Guide (2026) + Maester Testing
Build a production-safe Azure AD conditional access setup: break-glass accounts, MFA baseline policies, report-only rollout, and Maester test coverage.
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On-Premises Domain Certificate Authority Renewal and Deployment
Plan a domain CA renewal deployment with zero downtime: backups, new-key vs same-key rollover, lab validation, and rollback-ready production cutover.
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