CSCwd08703 Removal of 'write mem' and 'copy run start' commands is not explained
Cisco ISE 3.2 Patch 4
Found one work around: Reload cmd to generate the save config prompt and then cancel the reload:
reload
Save the current ADE-OS running configuration? (yes/no) [yes] ? yes
Generating configuration...
Saved the ADE-OS running configuration to startup successfully
Continue with reboot? [y/n] no