Writing PowerShell scripts you can trust: ten advanced concepts
Advanced functions, the pipeline, error handling, WhatIf, splatting, parallel runs, secrets, tests and modules, shown with a disk and service check across servers.
Insights
Guides and short notes written from real migrations, upgrades and clean-ups.
The Microsoft Cloud Adoption Framework for Azure, phase by phase
Strategy, Plan, Ready, Adopt, Govern, Secure and Manage: what each phase produces, how landing zones fit in, and how to use the framework on a real programme.
Architecture: MFA for VPN and RD Gateway with the Azure NPS extension
How the NPS extension adds Microsoft Entra MFA to RADIUS sign-ins, with a diagram, the design decisions and the settings that catch people out.
Running BAU across onshore and offshore teams
One queue, written handovers, tested runbooks and a clear map of who owns what between service providers.
Moving physical servers to VMware: lessons from a large P2V programme
Inventory, waves, rollback and clean-up: what decided whether a programme of over 800 physical-to-virtual conversions went well.
Greenfield Vblock and VxRail deployment: a build checklist
What to have ready before converged or hyperconverged kit arrives, what to check during the build, and what to prove before handover.
Group Policy is linked but not applying: how to find out why
A step-by-step check using gpresult and the event log, with the security filtering change (MS16-072) that catches many engineers out.
The trust relationship between this workstation and the primary domain failed
Why a domain-joined machine loses its secure channel, and how to repair it with PowerShell without leaving and rejoining the domain.
Azure VM will not start: AllocationFailed and OverconstrainedAllocationRequest
What the allocation errors mean, how to check VM size restrictions, and the order of fixes that gets a stuck virtual machine running.
VMware vMotion fails at 14 or 21 percent: check the MTU first
A vMotion that starts and then times out is usually an MTU or network path problem. The vmkping tests that prove it.
VMware: "Virtual machine disks consolidation is needed"
How to find affected VMs with PowerCLI, check for locks and backup proxy disks, and consolidate safely.
Azure Storage 403 error: AuthorizationFailure or AuthorizationPermissionMismatch
The two 403 errors look alike but have different causes: the storage firewall, or a missing data role. How to tell them apart and fix each.