Documentation that the next engineer will actually read
Five habits that keep runbooks and designs short, current and useful.
Insights
Guides and short notes written from real migrations, upgrades and clean-ups.
Finding hidden dependencies before you retire a Windows DNS server
A practical method for finding the clients that still depend on a legacy DNS server, using debug logs and PowerShell, so you can retire it without surprises.
A patching process that stands up to an audit
Deadlines by severity, patch rings, written exceptions and saved evidence: the parts of a patching process that satisfy an auditor.
Planning a Microsoft 365 tenant-to-tenant migration
The stages of a tenant-to-tenant migration, from discovery and domain planning to cutover, rollback and validation.
Notes on AZ-305 for engineers who run on-premises estates
How an on-premises background maps to the AZ-305 exam, and how to study the design decisions.