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FortiGate 140D End of Life

Understand when support ends and how to future-proof your FortiGate 140D End of Life deployment.

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The FortiGate-140D has reached its end of life. This mid-branch appliance served organizations needing consolidated security at small to mid-sized sites. To maintain protection and operational continuity, teams should assess modern replacement options that address today's performance and visibility requirements.

What this means for your organization

  • A chance to modernize your security posture and prepare for future growth.
  • Opportunity to benefit from improved performance, efficiency, and protection.
  • Align IT infrastructure with compliance, scalability, and long-term ROI.
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FortiGate-140D Date & Status

Here’s what you need to know about FortiGate-140D lifecycle status.

  • End of Life (EOL): 5/8/23
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FortiGate-140D Replacement

Replacing the FortiGate-140D means upgrading branch and campus edge environments to modern inspection, automation, and SD-WAN capabilities.

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Role of the FortiGate-140D:

An entry-to-mid-level NGFW providing firewalling, VPN, and UTM features for branch and campus environments.

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Evolving Traffic Patterns:

Cloud adoption, encrypted traffic, and distributed services have increased performance and traffic steering requirements.

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Modern Demands:

Strong SSL inspection, advanced threat prevention, secure SD-WAN, and centralized orchestration are essential.

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Strategic Upgrade:

Select a modern branch platform offering higher inspection capacity, lifecycle management tools, and phased migration support.

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Understanding Fortinet's EOL Policy | End of Life Risks

Every Fortinet product follows a defined lifecycle, moving through the following stages:

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  • General Availability (GA): The product is released and actively sold and supported.
  • End of Sale (EOS): The device is no longer available for purchase from Fortinet or authorized partners.
  • End of Life (EOL): Feature development and most firmware updates stop.
  • End of Support (EOSL): Fortinet ends all official support, security patches, and RMA services.

Why This Matters for Your Business

Understanding where your hardware sits in this lifecycle helps you:

  • Plan timely upgrades before critical support ends.
  • Ensure security compliance and avoid audit failures.
  • Maintain operational continuity with fully supported hardware.
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Risks of Continuing to Use EOL Hardware

When a firewall or security appliance reaches End of Life, the risks of keeping it in production increase dramatically

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No Security Patches

Outdated devices won’t receive updates, leaving your network exposed to new vulnerabilities.

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Lack of Vendor Support

Once support ends, there’s no access to Fortinet’s technical resources or RMA services.

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Compliance Failures

Auditors may flag unsupported hardware as a violation of security and industry standards.

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Operational Instability

Legacy devices may struggle with modern workloads, encrypted traffic, and cloud integrations.

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How Aseva Helps with Fortinet EOL

Here’s how Aseva ensures a smooth and secure FortiGate lifecycle transition.

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Lifecycle Planning:

Track Fortinet GA → EOS → EOL → EOSL.

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Seamless Migration:

Dedicated engineers ensure minimal downtime.

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Future-Proof Security:

Replace with next-gen models aligned to your needs.

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Why Choose Aseva for Fortinet End of Life Support?

Choosing the right partner is critical. With Aseva, you gain a trusted advisor with deep expertise in Fortinet and broader cybersecurity lifecycle management. We help reduce risk, ensure compliance, and maximize ROI on your IT investments.

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