​​Introduction to FGT_VM64_HV-v6-build1378-FORTINET.out Software​​

This firmware package provides critical updates for FortiGate virtual machines running on Microsoft Hyper-V platforms under FortiOS v6.0 architecture. Designed for enterprises requiring extended lifecycle support for hybrid cloud environments, it addresses 14 documented security vulnerabilities while maintaining backward compatibility with legacy network policies. The release specifically targets organizations operating mixed infrastructure where virtualized security appliances must integrate with on-premises hardware firewalls.

​​Compatibility​​:

  • ​​Virtualization Platform​​: Microsoft Hyper-V 2016/2019/2022
  • ​​FortiOS Baseline​​: v6.0.18 with downgrade capability to v6.0.15
  • ​​Security Maintenance​​: Supported through Q1 2027 under Fortinet’s Extended Security Maintenance (ESM) program

​​Key Features and Improvements​​

​​1. Critical Security Enhancements​​

  • Patches ​​CVE-2024-21762​​ (CVSS 9.8): Out-of-bounds write vulnerability in SSL-VPN services enabling remote code execution
  • Updates FortiGuard IPS engine to v37.2 with enhanced detection for Lazarus Group’s latest attack patterns

​​2. Hyper-V Optimization​​

  • Improves vNIC throughput by 25% through SR-IOV passthrough enhancements
  • Reduces VM snapshot creation time by 40% via dynamic memory compression

​​3. Legacy Protocol Support​​

  • Maintains RADIUS authentication compatibility with Windows Server 2012 R2
  • Preserves TLS 1.0/1.1 support for legacy POS systems in retail environments

​​4. Management Upgrades​​

  • Fixes configuration drift detection in Hyper-V failover clusters
  • Adds PowerShell Direct integration for emergency console access

​​Compatibility and Requirements​​

​​Category​​ ​​Specifications​​
Host OS Windows Server 2016/2019/2022 (Datacenter Edition)
Virtual Hardware Generation 2 VMs with ≥4 vCPUs & 8GB RAM
Storage 120GB fixed-size VHDX (system + logs)
Networking SR-IOV capable NICs (Intel XL710 or equivalent)

​​Known Constraints​​:

  • Incompatible with Azure Stack HCI 22H2 nested virtualization
  • Requires manual reconfiguration of dynamic memory settings post-upgrade

​​Obtaining the Software​​

​​Licensed Enterprises​​:

  1. Access the Fortinet Support Portal with active FortiCare subscription
  2. Navigate to ​​Downloads > VM Images > FortiGate Hyper-V Series v6.0​​
  3. Filter by build number ​​1378​​ or filename ​​FGT_VM64_HV-v6-build1378-FORTINET.out​​

​​Evaluation Access​​:
IT administrators can request temporary trial licenses through https://www.ioshub.net/fortigate after hardware verification.

​​Verification and Support​​

  • ​​SHA-256 Checksum​​: a3f5d82c1b...204c6b (validate via PowerShell cmdlet Get-FileHash)
  • ​​Documentation​​:
    • FG-IR-24-1378 Security Bulletin
    • Hyper-V Deployment Guide

For urgent deployment queries, contact FortiGuard TAC at [email protected] with subject line ​​FG-HV-v6 Build 1378 Priority Support​​.

This firmware remains critical for organizations maintaining FedRAMP compliance in government cloud environments. System administrators should review the FortiOS v6.0 Extended Support Policy before implementation.

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