I ran into a VERY similar problem and was loading all the certificates into Java with no luck. For those of you like me, please be aware that if you're using AES-256 encryption ASDM will not work unless you have JCE version of Java installed. After i...

Marvin, you are a life saver! While everyone else is adamant that installing the certificates into the Java settings was all that's needed, I could NOT get it to work, until now. Thank you sir