Question: how to do nmenroll in weblogic?
Answer: Open a command prompt and go to MW_HOME\oracle_common\common\bin. Cd C:\Oracle\MiddlewareBPM\oracle_common\common\bin.
Run the wlst.cmd script (.sh in Linux)
Connect to the Admin server using connect. connect(′weblogic′,′password123′,′t3://localhost:7001′) ... 
Enroll the WebLogic domain using the following command and exit.