What problems does a company face if a server failure occurs? The true cost of downtime and how to prepare for it, in numbers

"The site has gone down before, but it was fixed within a few hours and wasn't a big deal." "We leave troubleshooting to our staff and vendors, so it should be fine."

to think this way, but in reality,they haven't decided "who will do what if things stop.

This article will show you, with specific figures, the losses that companies can incur when a server failure occurs, and introduce preparations you can start taking today

The losses are not just "sales from the time that was stopped."

The losses from a server failure are not limited to the sales generated during the downtime. During the recovery period,confusion in customer service, loss of trust, and burnout of staff. Specifically, these include personnel costs for handling inquiries, wasted advertising and campaign expenses, and the costs of explaining and apologizing to business partners. The extent of these damages is determined not so much by whether or not a failure occurs, but rather by how quickly and appropriately you can act after it happens.

That's why the best course of action is to decide in advance who will do what and how, rather than trying to figure things out after the fact

Why is preparedness important? Three reasons explained by numbers

The amount of loss far exceeded expectations

A survey conducted by PagerDuty targeting IT managers in Japan estimated the cost of system downtime at approximately 740,000 yen per minute, or about 44.4 million yen per hour . An overseas survey ( Uptime Institute's "Annual Outage Analysis 2026" ) also found that 57% of major outages resulted in losses exceeding $100,000, with one in five companies incurring losses exceeding $1 million .

These surveys primarily focus on large corporations, so you don't need to directly apply the figures to your own company, but the overall picture is the same regardless of size

For example, if an e-commerce site with hourly sales of 100,000 yen is down for 6 hours, a simple calculation shows a loss of 600,000 yen in opportunities, plus the loss of personnel costs and advertising expenses incurred in dealing with the issue. It's important to understand that the losses due to a system failure are incomparable to monthly operating costs

The recovery will take longer than expected

the samePagerDuty companythat the average recovery time for outages at Japanese companies is6 hours and 12 minutes. Converted to business hours, this is roughly equivalent to one business day. The causes of outages are diverse, including hardware failures, access congestion, cyberattacks, and user errors, requiring specialized knowledge and experience to diagnose the problem.

In situations where the system is not accustomed to handling such issues, it is not uncommon for time to pass without the cause being identified

Damages that are difficult to quantify remain

During an outage, it's not just the servers that are down. Customer inquiries surge, overwhelming support desks; sales teams are swamped with explanations and apologies; and other internal operations are brought to a standstill. If the service is mentioned as "unavailable" on social media, it can negatively impact the brand even after it's restored. If support continues late into the night, the burden on the person in charge becomes significant, and the risk of burnout and resignation becomes more serious in companies where outage response is concentrated on a single individual

Regarding the potential impact of delays in responding to the incident

Here's an example from a company that operates an e-commerce site. On the first day of their annual major sale, the site went down at 9 PM. Only one person, who was also responsible for the server, had expertise in that area. It took an hour to get in touch with that person, and then several more hours were spent investigating the cause, ultimately resulting in them missing the peak time of the sale, which was the nighttime rush

If peak sales were ¥500,000 per hour, a four-hour downtime would result in a loss of approximately ¥2 million in opportunities. However, the biggest blow wasn't the sales for that night, but thefact that the customers acquired through advertising never returned. If there had been a system in place to detect the anomaly within minutes, even at night, and to take immediate action, the outcome would have been vastly different. This kind of situation can occur in any industry, including e-commerce, games, and media.

Self-assessment checklist

Please answer the following seven questions with "yes" or "no." If you answer "no" to three or more questions, we recommend reviewing your system.

# question Yes/No
1 There is a system (monitoring) in place that allows the company to notice when a site or system goes down before the customer does
2 When a problem occurs at night or on a holiday, there is a designated person who will take the first action
3 The order of communication in the event of a problem (who notifies whom) is documented
4 I have even done a rough estimate of the amount of loss that would result from a one-hour shutdown
5 The recovery work is not dependent on any one specific person
6 We are documenting the causes and preventative measures for incidents that occurred in the past year
7 We have considered the option of outsourcing troubleshooting to external experts

Estimate your company's hourly losses

By simply adding up the following three items, you can obtain an estimated value that can be used for business decisions

item Calculation guidelines
Opportunity cost Sales per hour (or number of inquiries × conversion rate × unit price) × downtime
Personnel costs Number of people involved in the response × time × hourly wage (overtime pay is applied for nighttime work)
Loss of trust Annual transaction value of churned customers, etc. While precise calculation is difficult, it is assumed to be non-zero and therefore included in the calculation

Comparing this amount with the monthly fees for monitoring and operational support makes it easier to determine how much investment is worthwhile in such a measure

Five questions to confirm before signing a contract when outsourcing

If you are considering outsourcing incident response to an external operations company, do not compare only the monthly fees; please check the following points before signing a contract

  1. Will "people" be available to handle issues at night and on holidays? If only automated notifications are used, the company will ultimately have to handle nighttime outages itself.
  2. What is the estimated timeframe from fault detection to the start of response ?
  3. What is the scope of the service? The cost and value will vary greatly depending on whether it includes notification, cause investigation, or recovery work.
  4. Reporting format. Will the cause and preventative measures be reported each time an incident occurs?
  5. role will remain on our end? Identify in advance the parts that cannot be outsourced, such as communication channels and decision-making.

Since costs vary greatly depending on the scope of services, we recommend obtaining quotes from multiple companies under the same conditions and comparing their answers to the five questions above

How Beyond can help

Beyond Co., Ltd. operates under the motto "Hand over all your server needs," providing 24/7 manned monitoring and fully managed operations. We support the infrastructure of web services—including games, apps, e-commerce, and media—where downtime directly impacts business operations, through collaboration between our offices in Japan and Canada. We also offer consultations from the initial stages of organizing your company's situation; please visit our official website for more details

summary

It's impossible to completely prevent server failures. However, simply deciding in advance "who will notice it first" and "who will act and how" can significantly reduce the extent of the damage. Establishing such a system doesn't incur significant costs, so why not start by reviewing your company's current situation using the checklist in this article?

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The person who wrote this article

About the author

Narita [Web Marketer]

I work as an in-house marketer at an IT engineering company. I started posting videos on YouTube, and somehow, that led me to become a marketer