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IT Environment Documentation: The One Investment That Always Pays Off
Why organized documentation is often cheaper than its absence — and what it must contain to be truly useful.
IT environment documentation is a topic businesses rarely get excited about — until they lose the person who ‘kept everything in their head.‘ That is when it becomes clear that documentation is cheaper than resolving issues without it.
What Minimal Documentation Should Contain
- List of servers, workstations, and network equipment
- Network topology (logical and physical)
- Firewall rules with a rationale for each
- List of users, access permissions, and licenses
- Backup strategy and restoration test log
- Contact details for all external providers and contracts
- Employee onboarding and offboarding procedures
What Makes It Useful
- It is in one place, not in ten different folders
- It is updated with every change (not once a year)
- It is understandable to another provider, not just the author
- It explains the ‘why‘, not just the ‘what‘
Practical Pitfalls
- A Word document with no clear owner
- Diagrams in a tool that nobody has access to
- Excel lists with no update date
- Passwords in documentation without a vault solution
#documentation#best practices#processes
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