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Complex system troubleshooting

Senior technical investigation when a critical system stops working.

When a business-critical application is down, the issue may sit across IIS, SQL, certificates, Windows services, DNS, identity, network paths or vendor integrations. Solidity Technology works across those layers to identify the failure point and restore service in a controlled way.

Senior technical investigation when a critical system stops working. illustration04
Where this service helps

When the technical answer is not obvious.

We isolate faults across the application stack, verify the dependency chain and restore services methodically so the immediate issue is fixed without creating a second outage.

  • Internal web applications returning errors or timing out
  • IIS sites, application pools or services failing after changes or restarts
  • SQL connectivity or application database errors
  • Expired or incorrect TLS certificates and bindings
  • Authentication, DNS, firewall or VPN dependencies blocking access
  • A system has been restarted but the correct recovery order is unknown
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What you receive

Evidence, documentation and a practical path forward.

The engagement is scoped around a defined business problem. Work is documented so the client retains the findings and can act on them internally or with existing technology suppliers.

  • Structured fault isolation and evidence capture
  • Service, application, database and network dependency review
  • Recovery actions with change notes
  • Root-cause or most-likely-cause summary
  • Post-incident recommendations to reduce recurrence
  • Recovery runbook updates where required
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How the engagement works

A controlled investigation, not guesswork.

We begin with the business impact, work through the relevant technical layers and finish with documented findings and clear next actions.

1. Stabilise

Confirm impact, preserve useful evidence and avoid unnecessary changes that could make diagnosis harder.

2. Isolate

Test each dependency layer systematically: application, service, database, identity, certificate, DNS and network.

3. Recover

Restore the minimum required components in a controlled sequence and validate with business users.

4. Prevent recurrence

Document the cause, recovery path, monitoring gaps and recommended remediation.

Frequently asked questions

Questions about this specialist service.

Is this a 24/7 emergency service?

24/7 standby can be available by prior agreement. For other incidents, availability is confirmed when the request is received.

Can you work alongside our MSP or software vendor?

Yes. Complex outages often require coordinated troubleshooting across multiple suppliers, and Solidity can help lead the technical investigation.

Do you provide a post-incident report?

Yes, where included in scope. A concise incident summary, root-cause findings and recommended actions can be produced after recovery.

Related capabilities

Specialist services that often work together.

Legacy System Discovery

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Technical Documentation

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SQL & Data Forensics

Explore this related Solidity Technology specialist capability.

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Have a system nobody fully understands, data that does not reconcile or a technical problem that keeps returning?Let's open a discussion on how we can help your team or business.
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