Appliance NGFW-2110 is not sending heart beats and deployment failed

[Akijgroup-cisco]

Hi,

Appliance NGFW-2110 is not sending heart beats and deployment failed

Why this sorts of problem is showing ? someone pls help me to solve the problem. NGFW-2110. FMC-version-6.6.5 and firewall version-6.4.0.14. 

[balaji.bandi]

is this FTD and FMC same location, is the connectivity ok between these 2 devices :

check some troubleshoot tips :

https://www.cisco.com/c/en/us/support/docs/security/firepower-ngfw-virtual/215258-troubleshooting-firepower-threat-defense.html

[Ataur Rahaman]

Try to solve network issue. FMC can't communicate with FTD. Try to connect newly

> configure manager add <FMC Static IP> <Registration Key>

configure manager add 172.17.0.10 Cisco123

 On FMC navigate to Devices > Device Management. Select Add > Device