6 Signs Your ServiceNow Instance Needs a Health Check

ServiceNow is one of the most powerful platforms in enterprise IT, and most organisations that implement it see real results early on. Workflows get faster, teams stop relying on email chains, and service delivery becomes measurable for the first time.

But implementation is the start of the journey, not the finish line. With time, every organisation adds customisations, activates new modules, builds integrations, and adjusts workflows to match how the business actually operates. Each of those decisions makes sense individually. Together, without a structured review process, they create a layer of complexity that is difficult to see and expensive to fix later.

Performance starts to slip, upgrades take longer than they should, and users raise complaints that take weeks to trace back to a root cause. Either way, the platform stops running the way it was designed to.

This is what a ServiceNow health check is for. Not a crisis, not a failure, but the natural drift that happens to every instance that grows without regular oversight. Catching it early is what separates teams that get long-term value from the platform from those that spend their time managing it instead of using it.

Common Signs Your ServiceNow Platform Needs Optimization

Sign 1: Degraded Instance Performance and Workflow Delays

Performance issues in ServiceNow build up as the instance grows. More users, more customisations, more data, and the configuration decisions that worked fine at go-live start showing their cost.

ServiceNow performance issues most commonly trace back to inefficient GlideRecord queries that scan entire tables instead of using indexed fields, Business Rules that trigger on every record update regardless of relevance, and client-side scripts that run on page load even when they are not needed for that specific form or user.

The visible result is slow forms, reports that take too long to generate, and workflows that stall without a clear error. Users notice before the admin team does, and by the time it gets flagged, the underlying configuration debt has usually been building for months. Instances that feel slower than they did a year ago are worth a formal ServiceNow audit.

Pro Tip: If you are unsure whether performance issues are configuration-related or something deeper, a ServiceNow consulting partner can run a quick audit and tell you exactly where the problem sits.

Sign 2: Unused Modules and Orphaned Workflows

Over time, most ServiceNow instances accumulate applications that were activated for a project and never decommissioned, and workflows that were built but never fully deployed. These do not sit quietly in the background. Unused modules add to the instance footprint, contribute to slower performance, and create confusion during upgrades when nobody is certain whether a module is still in use.

Orphaned workflows are a particular risk. A workflow that is partially built and never closed out can trigger unexpectedly, conflict with active automation, or simply clutter the development environment in a way that slows down every change review.

A ServiceNow health check surfaces these quickly. Knowing what is active, what is dormant, and what can be safely removed is one of the fastest ways to reduce instance complexity without changing any live configuration.

Sign 3: Frequent Manual Fixes and Workarounds

When admins find themselves regularly applying quick-fix scripts, undocumented patches, or manual workarounds to keep things running, that pattern is worth paying attention to. Individual fixes feel manageable at the moment. Across six or twelve months, they accumulate into a layer of undocumented changes that nobody on the team fully understands.

This is one of the clearest signs of poor ServiceNow governance. Changes made outside a structured review process introduce dependencies that are difficult to trace, create conflicts during upgrades, and make it harder for any new team member to understand how the instance actually works.

ServiceNow maintenance done properly means every change is documented, reviewed, and tested before it reaches production. When that process breaks down, the manual fix cycle is usually where it first shows up.

If your team is navigating this pattern, this blog on why ServiceNow implementations fail is worth a read.

Sign 4: Customisations That Block Every Upgrade

Every time a new ServiceNow upgrade comes out, the process takes longer than it should. Skipped records pile up. Deprecated APIs that were overridden years ago conflict with the new baseline. Testing takes weeks because nobody is certain what the customisations will break.

According to Forrester, 75% of technology decision-makers expect their technical debt to reach a moderate or high level of severity by 2026. Over-customized ServiceNow instances are one of the most direct contributors to that debt. ServiceNow customization problems compound at upgrade time. When teams override baseline functions, modify out-of-box tables, or write Script Includes outside scoped applications, each of those decisions becomes a liability in the next release.

According to ServiceNow’s HealthScan datasheet, a ServiceNow health scan performed during upgrade planning can help teams complete upgrades in weeks, rather than months. ServiceNow upgrade readiness starts with knowing exactly what has been changed and why.

When the upgrade cycle starts feeling like a project in itself, the customisation layer is worth auditing before the next release lands.

Sign 5: Recurring Service Portal Complaints

When users raise complaints about the Service Portal, the instinct is to treat it as a design problem. The form is too long, the navigation is confusing, and the page takes too long to load. Those observations are usually accurate, and they almost always point to something deeper in the configuration.

Behind most recurring portal complaints is a configuration issue. Workflows designed for a previous version of the portal have not been updated. Form field conditions are triggering incorrectly because of conflicting Business Rules. ACL rules are hiding information that users expect to see, so they raise a ticket instead of self-serving.

The portal is where users interact with the instance every day. Complaints that come up more than once are worth treating as a ServiceNow audit trigger, not just a helpdesk item.

Sign 6: No Formal Review in Over Six Months

This sign carries the most long-term risk. When nobody on the team can answer with confidence when the instance was last formally reviewed, that gap itself is worth paying attention to.

Update sets accumulate with no documentation of what changed or why. Scripts get written to solve immediate problems without a review of whether they conflict with existing logic. New modules get activated without a check of their impact on performance or security configurations. Poor ServiceNow governance at this level is one of the most common reasons instances become difficult to maintain and expensive to upgrade.

ServiceNow best practices recommend running a health check before every major upgrade and at least once per quarter. A formal ServiceNow audit on a regular cadence is what keeps the instance manageable as it grows.

For a closer look at how platform health connects to long-term returns, read our blog on ServiceNow ROI.

Real-World Impact of ServiceNow Instance Optimization

In a study commissioned by ServiceNow, Forrester found that modernising IT Service Management on the platform delivered a 20% increase in IT productivity, a 25% reduction in P1 incidents, and an ROI of 195% over three years. These outcomes came from organisations that invested in getting their existing platform to work the way it was designed to.

The specific improvements teams can expect after a ServiceNow health check include:

• Faster upgrade cycles: With technical debt addressed and deprecated customisations resolved, upgrades move from months-long projects to predictable, contained processes.
• Fewer high-priority incidents: Clean configurations reduce the unexpected failures that generate P1 tickets and pull engineering teams into reactive firefighting.
• Improved IT productivity: When workflows run as designed, and integrations stop throwing errors, the team spends less time on manual fixes and more time on work that moves the business forward.
• Better reporting accuracy: Standardised processes and clean data flows mean dashboards and reports reflect what is actually happening, not what the system last captured before a script failure.
• Higher user engagement with the portal: A portal that works consistently encourages users to self-serve, which reduces ticket volume and frees the support team for more complex requests.

How Ksolves Approaches a ServiceNow Health Check

Ksolves ServiceNow consulting services include AI-assisted health checks that surface configuration risks, ServiceNow technical debt, and upgrade blockers before they compound. AI tools scan configuration patterns, flag deprecated usage, and cross-reference findings against upgrade risk profiles before a consultant reviews them. The findings that reach your team are already prioritised by severity and mapped to a remediation plan.

For organisations dealing with over-customized or poor ServiceNow instance optimization, the difference between a manual review and an AI-assisted audit is the time it takes to go from findings to action. A shorter assessment cycle means a clearer plan and an instance ready to scale as your business grows.

If you are seeing any of the signs above, connect with the Ksolves ServiceNow consulting team to discuss a health check for your instance.

Frequently Asked Questions

What is a ServiceNow health check?

A ServiceNow health check is a structured diagnostic review of your platform configuration. ServiceNow’s health scan tool evaluates hundreds of KPIs across five categories: security, upgradability, performance, manageability, and usability. The output is a scored ServiceNow assessment with prioritised recommendations for improvement.

How often should I run a ServiceNow health check?

ServiceNow best practices recommend running a health check before every major upgrade and at least once per quarter. Teams that wait until something breaks typically find that the underlying issues have been accumulating for much longer than the visible symptom suggests.

Is ServiceNow HealthScan free?

Yes. ServiceNow offers the end-to-end health scan at no cost to customers. It is available through the ServiceNow Customer Success programme.

What does a healthy ServiceNow instance score look like?

A healthy instance typically scores between 80 and 85% on the health scan scorecard. Scores below this range indicate areas where configuration, customisation, or ServiceNow governance decisions are creating risk or limiting performance.