Automating ODBC DSN Management with PowerShell Remove-OdbcDsn
Orphaned DSNs and the Ticket That Started It All The ticket read: “Application can’t connect to the database.” After remoting into the server, I ran Get-OdbcDsn and found seventeen ODBC…
vSphere 6.7 Fault Tolerance: VMDK and RDM Restriction Checklist
A Client Call That Could Have Gone Better One of our managed healthcare accounts called in after a failed attempt to enable Fault Tolerance on a production SQL VM. The…
NGINX Load Balancing Methods: Round Robin, Least Connections, IP Hash
The Green Dashboard That Lied A client called us on a Friday afternoon because their e-commerce site had been dropping orders all week. Their NGINX load balancer showed all three…
Add-NetEventPacketCaptureProvider: PowerShell Packet Capture
When You Need Packets and Can’t Install Anything A financial services client we support had intermittent TCP resets appearing on a Windows Server 2022 application node. No packet analyzer on…
New-NetEventSession: Network Event Capture in PowerShell
The Packet Loss Nobody Could Find The call came in on a Tuesday morning. A financial services firm we support had been logging intermittent packet loss across their Hyper-V cluster…
Get-NetAdapterRsc: Configure Receive Segment Coalescing in PowerShell
When Network Throughput Hits a Wall A financial services client called us last spring with a familiar complaint. Their Windows Server 2025 nodes were bleeding throughput under sustained traffic loads…
Windows Server Hardening: Stop Guessing, Start Baselining
Most Windows Servers Are One Misconfiguration Away From a Breach We inherited an environment last year where the client had been running Windows Server 2019 domain controllers with NTLMv1 still…
Managing RDMA NICs with PowerShell NetAdapter in Windows Server 2025
Three months into a major storage infrastructure refresh for a financial services client, we hit an unexpected bottleneck. Their SQL Server cluster was saturating CPU during peak transaction windows —…
Nginx Server Optimization: Lessons from a 3AM Production Outage
Our monitoring board looked fine at 11 PM. By 3 AM, we had 5,000 queued connections and a site returning 502 errors to every visitor. That night became our real…
Windows Group Policy Incident: A Real Post-Mortem
It was a Tuesday. 4:47 PM. My phone started ringing before I even got up from my desk. Help desk on line one, my manager on line two, and a…