As additional software feature enhancements are introduced on the cisco asa 5500 series adaptive security appliances the minimum memory requirements are changing for the cisco asa 5505 asa 5510 asa 5520 and asa 5540 models these requirements are for software releases starting with the cisco asa software version 83 cisco asa appliances running cisco asa 83 that do not meet the minimum memory requirement are not supported both devices in an asa failover configuration active active and