Good documentation has an unusual property: you rarely notice it's there. You definitely notice when it isn't — usually during an outage, at 2am, when the one person who knew the fix is unreachable.
Why documentation quietly erodes over time
Documentation usually starts strong and decays gradually — a system changes, and updating the docs feels lower-priority than the actual fix. Multiply that across a year of small changes, and documentation slowly becomes actively misleading rather than just incomplete, which is arguably worse than having none at all.
What's actually worth documenting
- Network topology and asset inventory — what exists, where, and how it connects.
- Standard operating procedures — the exact steps for common, recurring tasks.
- Escalation paths — who to contact for what, especially outside business hours.
- Vendor and license details — contract terms, renewal dates, and support contacts.
- Incident post-mortems — what broke, why, and what changed as a result.
Keeping it current without a dedicated effort
The teams with the best documentation rarely have a dedicated "documentation day" — instead, updating docs is built into the definition of "done" for any change. A configuration change isn't complete until the relevant doc reflects it, the same way code isn't done until it's tested.
Documentation that lives outside the workflow gets skipped. Documentation that's part of the workflow gets maintained.
A structure that scales with the team
A flat pile of documents becomes unusable past a certain size. Organize by client or department, then by system, with consistent naming — so a new hire can find "how to reset the VPN for Client X" without already knowing where it lives.
A five-minute audit
Pick any recent incident and time how long it takes to find the relevant documentation. If the answer is "we didn't have any" or "I had to ask someone," that's your starting priority.
Habits that keep documentation alive
- Update documentation as part of closing any change ticket, not as a separate task.
- Review and prune outdated docs quarterly — stale documentation is worse than none.
- Write for the person who knows the least, not the person who wrote it.
The real ROI of documentation shows up the day the person who usually handles it is unavailable.
Ping Editorial Team
We write friendly, practical guides on IT management and MSP operations, drawing on what we see across the Atera platform. Have a topic in mind? Get in touch.
