Client documentation is often at its best immediately after onboarding, when somebody has recently checked systems, contacts and support arrangements. Over time, small changes accumulate. A supplier changes, an application moves, a device is retired or a support route is replaced, while the original document still looks authoritative. A regular documentation review helps an MSP keep operational information useful without turning every review into a complete rediscovery exercise.
Review information that technicians actually depend on
Start with documentation used during support: service ownership, important dependencies, approved escalation routes, environment context and links to controlled technical records. A document can be comprehensive yet still fail if the information needed during a ticket is buried among historical detail. Prioritise operational usefulness over maintaining pages that nobody consults.
Check facts against the current supported environment
Validate material details through the MSP's approved systems and client processes rather than assuming an old document remains correct. Where information cannot be confirmed, mark it as unresolved and assign follow-up. Uncertainty recorded honestly is safer than presenting an inherited assumption as a verified technical fact.
Keep credentials outside general documentation
Documentation can explain where authorised access is managed and which role owns it, but passwords, recovery secrets and other sensitive credentials should remain in the organisation's approved credential-management controls. Avoid duplicating secrets into general client notes merely to make them easier to find.
Remove or label superseded instructions
Old troubleshooting steps and supplier routes can be actively harmful if technicians cannot distinguish them from current guidance. Archive or clearly supersede outdated material according to the MSP's documentation process. If history has legitimate value, preserve it without allowing it to compete visually with the current operating instruction.
Confirm ownership of specialist information
Some documentation belongs with network, security, application, e-commerce or other specialist owners. Identify who is competent to validate those sections and avoid asking a general service desk reviewer to approve details outside their remit. Client-side ownership may also be required for business-specific workflows and third-party relationships.
Use support tickets as evidence of documentation gaps
Repeated questions, avoidable escalations and technicians searching several systems for the same fact can show where documentation is weak. Review those patterns alongside the documents themselves. The answer may be a clearer page, a better link to an authoritative system or removal of duplicated information rather than simply adding more text.
Finish with a bounded list of corrections
A review should leave named actions and owners for material gaps, then close once those actions move into the appropriate workflow. Do not keep the whole review permanently open because one low-priority detail remains uncertain. Useful MSP documentation is maintained as part of service operations: current enough to support decisions, controlled enough to protect sensitive information and concise enough that technicians can trust what they find.