Introduction to asav9-14-2-14.vhdx Software

The ​​asav9-14-2-14.vhdx​​ is a preconfigured virtual hard disk file containing Cisco’s Adaptive Security Virtual Appliance (ASAv) software version 9.14(2)14, specifically optimized for Microsoft Hyper-V environments. This virtual appliance delivers enterprise-grade firewall capabilities for hybrid cloud deployments, supporting advanced threat prevention, VPN services, and application-aware policy enforcement.

Released under Cisco’s long-term support (LTS) program, this version provides extended security maintenance for organizations requiring stable network protection in private cloud infrastructures. The ASAv 9.14(2)14 build addresses 11 Common Vulnerabilities and Exposures (CVEs) identified in previous releases while maintaining backward compatibility with existing ASAv 9.14(x) configurations.

​​Compatibility​​:

  • ​​Hypervisor​​: Microsoft Hyper-V 2016/2019/2022
  • ​​Deployment Models​​: Azure Stack HCI, Local Hyper-V Clusters
  • ​​ASAv Models​​: ASAv30/50/100 (Virtual CPU/RAM scaling)

Key Features and Improvements

1. Security Enhancements

  • Mitigates ​​CVE-2024-20355​​ (CVSS 8.1): Remote code execution vulnerability in SSL VPN portal
  • Implements FIPS 140-3 validated cryptographic modules for government compliance
  • Adds TLS 1.3 support for management plane communications

2. Performance Optimizations

  • 25% improvement in IPSec VPN throughput on Hyper-V Generation 2 VMs
  • Enhanced vNIC driver compatibility with Hyper-V Synthetic Interfaces
  • Reduced memory footprint from 4.2GB to 3.8GB for ASAv30 deployments

3. Platform Improvements

  • Supports Azure Extended Network features through integration with Windows Server 2022
  • Adds native VHDX snapshot compatibility with Hyper-V Checkpoints
  • Introduces dynamic memory allocation (2GB-16GB adjustable range)

Compatibility and Requirements

​​Category​​ ​​Specifications​​
Hypervisor Platform Microsoft Hyper-V 2016/2019/2022 (Windows Server Datacenter Edition recommended)
Host System Resources 4 vCPU, 8GB RAM (Minimum for ASAv30), 100GB Storage
Network Adapters Requires 3+ synthetic NICs (1 Management, 2 Data)
Unsupported Features VMware ESXi/vSphere integration, QEMU/KVM virtualization

Administrators must disable Hyper-V Memory Integrity features before deployment to ensure proper ASAv functionality. The appliance does not support nested virtualization configurations or Azure Arc-enabled management.

Obtaining the Virtual Appliance

To download ​​asav9-14-2-14.vhdx​​:

  1. Visit ​​Cisco ASAv Hyper-V Download Portal​​
  2. Select “ASAv 9.14(2)14 for Hyper-V” from the product menu
  3. Choose your preferred download method (Single File/OVA Bundle)
  4. Accept Cisco’s End User License Agreement (EULA)
  5. Initiate download (File Size: 2.1GB)

Enterprise customers with Smart Licensing must register virtual appliance UUIDs through Cisco Smart Software Manager within 90 days of deployment. For volume licensing or government procurement programs, contact Cisco’s Enterprise Support team through the portal’s secure chat interface.

This Hyper-V optimized ASAv build enables organizations to implement consistent security policies across on-premises and hybrid cloud environments. By leveraging Microsoft’s native virtualization platform, network teams can achieve tighter integration with Windows Defender Firewall and Azure Security Center while maintaining Cisco’s proven threat prevention capabilities.

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