Hi ,we have firewall ASAs in our environment running with  ASA firmware version 8.4, and we are palnning to migrate to 9.x version considering it has less vlunerbilities and Bugs free.Is there any Major changes ? like migrating from 8.2 to 8.3.Is the...

Hi..We are planning an ASA upgrade from 8.0(4) to 8.2(4)….2 Units in Failover. Hardware:   ASA5540-K8, 1024 MB RAM, CPU Pentium 4 2000 MHzHas anyone faced any issue / configuration challenge in terms of supported commands and features.Also please mak...