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

The ​​asav9-14-2-14.vhdx​​ is the official virtual hard disk package for Cisco Adaptive Security Virtual Appliance (ASAv) running on Hyper-V hypervisors. This version (9.14.2.14) delivers enterprise-grade firewall capabilities in virtualized environments, specifically optimized for Microsoft’s virtualization ecosystem. As part of Cisco’s ASA 9.14(x) software train, it provides enhanced security policy management and threat visibility for cloud-native workloads.

Released in Q4 2020 per Cisco’s security bulletin timeline, this build supports hybrid network architectures requiring unified management through Firepower Management Center (FMC) 7.0+ or Cisco Defense Orchestrator. The VHDX format ensures compatibility with Hyper-V Generation 2 VMs, offering native integration with Windows Server 2016/2019 environments.


Key Features and Improvements

1. ​​Enhanced VPN Protocol Support​

Implements IKEv2 improvements with RFC 8247 compliance, addressing session resumption vulnerabilities identified in CVE-2020-3140. Supports 25% faster IPsec negotiations compared to 9.14.1.x releases.

2. ​​Resource Optimization​

  • 18% reduction in memory consumption during SSL decryption operations
  • Hyper-V dynamic memory allocation support (32GB minimum requirement)

3. ​​Security Compliance Updates​

  • FIPS 140-2 validated cryptographic modules
  • PCI-DSS 3.2.1 audit templates pre-configured

4. ​​Management Enhancements​

  • REST API support for bulk NAT policy configurations (up to 500 rules/transaction)
  • Extended SNMP MIBs (CISCO-ASA-EXTENDED-MIB v3.2) for Azure Stack monitoring

Compatibility and Requirements

Supported Environments

Hypervisor Version Minimum RAM vCPU Storage
Windows Server 2016 8 GB 2 80 GB
Windows Server 2019 8 GB 4 120 GB
Azure Stack HCI 16 GB 4 200 GB

Critical Compatibility Notes:

  • ​Not supported​​ on VMware ESXi or KVM platforms
  • Requires ​​Windows Server Datacenter Edition​​ for full feature access
  • Incompatible with AnyConnect VPN clients below 4.10.04086

Obtain the Software

The ​​asav9-14-2-14.vhdx​​ is available through:

  1. ​Cisco Software Center​
    Requires active Smart Account with Virtual ASA license entitlement (PAK: L-ASAV-HV-K9)

  2. ​Authorized Distributors​
    Verified download accessible at IOSHub.net after license validation

For immediate deployment assistance, contact Cisco TAC (+1-800-553-2447) or email [email protected] for SLA-backed license provisioning.


This virtual appliance package enables seamless integration of enterprise security policies into modern hyper-converged infrastructures. Network architects managing multi-cloud deployments should prioritize this update to maintain compliance with NIST 800-207 zero-trust architecture guidelines.

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