Anyconnect essesntials do not require reboot.probably something is wrong with the activation key.you would need to open up a support case with cisco licensing team.after the anyconnect essential is activated you would also need to add following confi...

Try removing:nat  (outside,inside) source static NETWORK_OBJ_192.168.80.0_24  NETWORK_OBJ_192.168.80.0_24 destination static inside-network  inside-network no-proxy-arp route-lookupnat  (outside,outside) source static inside-network inside-network  d...