How to reset Mirth admin user.

Type: java -cp derbytools.jar;derby.jar org.apache.derby.tools.ij

ij> connect 'jdbc:derby:c:/program files/Mirth/Mirthdb';
ij> update person set password = 'NdgB6ojoGb/uFa5amMEyBNG16mE=', salt='Np+FZYzu4M0=' where username = 'admin';
ij> exit;