ASDM Launcher fails to connect to ASA and stuck into the following message "Contacting the device. Please wait..."
ASDM Launcher is version 1.5(53) that is bundled on latest ASDM 6.4.5 interim release. e.g. 22.214.171.124 and 126.96.36.199
Remove "aaa authentication http console local" if possible - Or launch ASDM via https from the browser
This behavior is identified as a bug CSCtt45397. Please upgrade the ASDM to 6.4(5.206) or above.