PowerShell OutBuffer: How Pipeline Buffering Actually Works
The Script That Hammered a SQL Box at 3AM We had a client whose nightly reconciliation script was melting a SQL server every night around 3AM. The script pulled roughly…
PowerShell Select-Object: Master Object Properties Fast
From 300 Lines of Output to Three Columns in One Pipe One of our managed services clients had a junior admin exporting process lists to Excel, then deleting columns by…
PowerShell Module Manifest: Versioning and Dependencies Post-Mortem
The Ticket That Started at 03:17 The pager went off at 03:17. A managed client’s nightly reporting job had failed across 40 endpoints. The error was short: The specified module…
PolicyStore in NetIPsec Cmdlets: Local vs Domain Policies
When One Firewall Rule Breaks Forty Machines A financial services client called us on a Friday afternoon because half their branch office servers had stopped accepting inbound connections after a…
PowerShell Variables: Scope, Types, and Best Practices
Last month we inherited a 3,000-line PowerShell deployment script from a manufacturing client. The thing was riddled with global variables bleeding into functions, type mismatches crashing midnight runs, and zero…
PowerShell WMI Service Management: Query, Start, Stop
When Get-Service Falls Short in Production Three months ago, a client with a fleet of 120 Windows Server nodes across four branch offices came to us with a recurring problem:…
PowerShell JEA: Restricting Remote Admin Access
The Night a DNS Admin Became a Domain Admin It was 11 PM on a Tuesday when the SIEM flagged a credential harvesting alert on a domain controller. Someone had…
Configuring AD Audit Policies with PowerShell and GPO
A Missed Event Log Cost a Client Their Domain Admin Last year, a mid-size logistics company we manage came to us after discovering that a domain admin account had been…
AD Server Parameter: FQDN vs NetBIOS Name Explained
While scripting a bulk user migration for a client last quarter, I hit one of those issues that wastes an hour before you realize what happened. Half the Get-ADUser calls…
PowerShell Module Management: Install, Import, and Update
A client called us on a Monday morning because half their admin team couldn’t run Exchange management commands. The other half could. Same servers, same accounts, same Group Policy. Turned…