a) Browse “<installation dir.>\bin” location (e.g. C:\Program Files\ManageEngine\ADSelfService Plus\bin).

b) Execute “resetADSSPPassword.bat” file from command prompt to reset admin password.

 

But you need a login which 

 

Username : apap

Password : apap

 

Then run through the prompts it gives you on the screen for the reset

 

1. Login to ADAP CmdUtil using credentials username : adap , password : adap
2. Type “account reset-password -u admin” and press Enter