Business Systems Error Code
Systems & Devices
Business Systems

12007 | Internet connection error

Industry
Systems & Devices
Canonical
/systems/business-systems/error-codes/12007/
Last Updated
Feb 27, 2026
Summary

A business application could not connect to an online update or service endpoint.

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What This Code Means

12007 is often displayed when a desktop business application cannot reach a required web service (for updates, payroll, licensing, or account connectivity). It usually points to connectivity, proxy, firewall, or TLS inspection issues.

Where Users Usually See This Code

  • Payroll or tax table update checks
  • In-app update download steps
  • Account sign-in and validation flows

Why This Code Appears

  • Proxy settings are required but not configured
  • Firewall blocks outbound connections
  • DNS resolution problems
  • TLS/certificate interception or system time mismatch

What Typically Happens Next

  • Updates fail and the application may run without new data
  • Retry may succeed after network changes

What This Code Is Not

  • It is not a company file database error
  • It is not a payment authorization decline

Troubleshooting Checklist

  • Confirm general internet access from the same workstation
  • Check proxy settings and corporate firewall policies
  • Verify system date/time for certificate validation
  • Test the update from another network to isolate network restrictions
  • Use the vendor’s support guidance for required endpoints/ports

Notes And Edge Cases

In managed networks, the fix is often a policy or proxy change rather than an application reinstall.

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