SYSTEMS ADMIN BLOG

Windows Server 2012 R2 ESU Has Ended: How to Audit Your Legacy Servers Now

The Hidden Cost of PowerShell Logging

PowerShell Comparison Operators: Collections, $null and the Left-Hand Operand

OneDrive Not Starting in Citrix Virtual Apps? The Supported Fix Explained

Certificate Auto-Enrollment in AD CS: Setup, Troubleshooting and Template Security

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NETWORK ADMIN BLOG

FortiGate Debug Flow Showing No Output? Stop Using the Web CLI Console

Nmap Port Scanning: Building a Baseline and Detecting Changes

How to Configure Port Security on Cisco Switches

How to Troubleshoot Intermittent Packet Loss

Cisco Expressway C and E for MRA: Installation, Configuration and Troubleshooting

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MICROSOFT 365 & AZURE BLOG

Windows Server 2012 R2 ESU Has Ended: How to Audit Your Legacy Servers Now

Microsoft Entra Connect Hard Match Fails for Privileged Users: How to Diagnose and Fix It

Mapping Azure Files Reliably with Entra Kerberos: Six Versions of One Drive Mapping Script

ExpressRoute Didn’t Make It Faster, and That’s Fine

How to Safely Clear the SharePoint Preservation Hold Library to Reclaim Storage Space

Break-Glass Accounts in Microsoft Entra ID: How to Set Them Up Properly

Microsoft Entra Connect Sync (Azure AD Connect): Version Requirements, Health Checks and Optimisation

Set-CalendarProcessing in Exchange Online: Managing Room Mailboxes with PowerShell

How to Securely Connect On-Prem Infrastructure to Azure and AWS

SECURITY ADMIN BLOG

Building an SSH Bastion Host: Configuration, ProxyJump and Testing

Hikvision Camera Default Password and IP Address

IT MANAGEMENT BLOG

Managing a Team That Uses AI: What Correcting Claude Taught Me

The Politics of IT Security: Why Good Security Decisions Get Blocked