Hello Mustafa KUCUK,
Below are the default username and password for the webMethods Integration server.
Username:Administrator
Password:manage
If you want change the above default password go to the integration server admin page–>click on user management tab–>there is a option like change the password.
Please let me know if you have any queries.
Thanks,
Prem Sai
#webMethods#Integration-Server-and-ESB