>If you forgot or missed the MySQL root password, you check this article. This article help you.
Note: You must change tou your apporative folder location you installed the LiveCycle (“C:AdobeLiveCycle8.2″).
1) Create a new blank text file:
C:AdobeLiveCycle8.2mysqlbinreset-root-password.txt
2) Save two lines to the text file:
UPDATE mysql.user SET Password=PASSWORD(‘newpassword’) WHERE User=’root’;
FLUSH PRIVILEGES;
You must change newpassword to your new password.
3) Stop the “MySQL for Adobe LiveCycle ES ” service via “Start Menu -> Control Panel -> Administrative Tools -> Services”
4) Run below command on Command Prompt (cmd.exe):
C:AdobeLiveCycle8.2mysqlbinmysqld-nt.exe –init-file=”C:AdobeLiveCycle8.2mysqlbinreset-root-password.txt”
5) Start the “MySQL for Adobe LiveCycle ES ” service via “Start Menu -> Control Panel -> Administrative Tools -> Services”
6) You can login MySQL using new password.
You may refer to official article about “How to Reset the Root Password“