Customize the MFATSO member in the CNTL data set. This is the started task JCL procedure for Mainframe Access TSO Command Server. Use the ISPF change command to change HLQ to your qualifier (hlq).
Customize the TAUDDSYS DD statement to refer to the AWM master data set. This is an alternative to customizing the TAUZCAPP exec and will always take precedence:
//TAUDDSYS DD DISP=SHR,DSN=&DSNQUAL..MASTER