Articles tagged "保守運用"

Office network and Wi-Fi setup costs about ¥300K–600K for 10 people, ¥800K–1.5M for 30. Cost breakdown, router risks, wired vs. Wi-Fi, and a quote checklist.

A domain costs 1,000-5,000 yen a year; hosting runs hundreds to thousands a month. This guide covers costs, ownership traps, renewal risk, and handover steps.

What to do first when a file vanishes from a shared folder or cloud drive: what to stop immediately, recovery options and deadlines by storage type (Windows shares, NAS, Microsoft 365, Google Drive), actions that destroy your chances, and who to call.

How SPF, DKIM and DMARC stop attackers sending mail as your domain: checking your setup, what DMARC policies mean, a phased rollout, and cost ranges.

Triage for email that won't send or arrive: narrowing causes by symptom, dealing with spam-flagging (SPF/DKIM in plain terms), the domain-expiry blind spot, and a table of exactly who to contact for each cause.

Emergency triage for sudden server or business-system outages: narrowing causes with 'one person or everyone?', safe restart steps and when not to restart, who to contact with or without a maintenance contract, and post-recovery actions.

What to do — and not do — in the first 30 minutes of a company IT emergency: three principles of initial response, a symptom-based triage table, and how to route contacts (IPA, police, vendors). A guide non-IT staff can actually use.

A neutral guide to data migration in system replacement: cost by data scale, the five-step process, common pitfalls like encoding mismatches and duplicates, and quote-time checkpoints.

A neutral guide for regional businesses on keeping a website or system running when a local production vendor closes — covering warning signs, asset checks, and handover options.

A neutral guide to remote IT maintenance for regional small businesses: what can and cannot be done remotely, communication design, and how it compares to local support.

"Move to the cloud and maintenance disappears" is a common misconception. This guide explains what cloud operations actually involve, in-house vs outsourced management, typical cost ranges, and what to confirm before signing a contract.

Left unattended after migration, cloud environments quietly accumulate cost bloat and misconfiguration risk. This guide covers common waste patterns and a monthly self-check routine to catch them early.

Even on the cloud, outages and data loss can happen. A guide to the shared responsibility model, basic backup design, and what to do when an outage hits.

A neutral, from-the-basics overview of what system and website maintenance means, the risks of neglecting it, typical cost ranges, and contract types — the starting point for our maintenance series.

A neutral breakdown of typical monthly website maintenance costs, what's usually included, questions to spot maintenance that does nothing in practice, and an in-house vs. outsourcing comparison.

Why WordPress sites need ongoing maintenance, what happens when they are neglected, and how DIY upkeep compares with professional maintenance services.

What to check when you lose contact with the company that built your website or system, plus how ownership of key assets shapes your next steps and handover.

A neutral look at the risks of one-person system dependence, a handover checklist for before and after resignation, and options for in-house, outsourced, or rebuilt operations.

A neutral guide to signs of legacy system aging, the cost differences between extending a system's life and replacing it, and a framework for deciding based on remaining value, risk, and business plans.

A neutral guide to how software End-of-Life (EOL) creates risk for small businesses, covering asset inventory, response options, and budgeting.

A neutral overview of what to check in IT maintenance contracts — scope, response time, backups, and handover on termination. Consult a professional for specific contracts.

A neutral guide to checking whether your system or website maintenance fee matches the service you receive, plus the review process and negotiation tips.

Why systems fall out of use after launch, and how a monthly one-hour review habit — plus smart use of maintenance contracts — keeps them improving over time.