IPSec Phase 2 Negotiation fails with "IKE protocol notification message received: received notify type NO_PROPOSAL_CHOSEN" - Authentication mismatch in Phase 2
IPSec Phase 2 Negotiation fails with "IKEv2 child SA negotiation is failed received KE type %d, expected %d" - DH Group mismatch in Phase 2
![Cisco Security Appliance Command Line Configuration Guide, Version 7.2 - Configuring IPSec and ISAKMP [Cisco ASA 5500-X Series Firewalls] - Cisco Cisco Security Appliance Command Line Configuration Guide, Version 7.2 - Configuring IPSec and ISAKMP [Cisco ASA 5500-X Series Firewalls] - Cisco](https://www.cisco.com/c/dam/en/us/td/i/000001-100000/90001-95000/92001-93000/92616.ps/_jcr_content/renditions/92616.jpg)