We are nearly ready to upgrade to z/OS 2.1 and are being asked to "turn off" the default userid ahead of the actual switch from 1.13 to 2.1. Is there a best suggested way to comply with this request?
To turn off the OMVSUSR and OMVSGRP control options:
TSS MODI OMVSUSR()
TSS MODI OMVSGRP()
Be sure to also remove the control options from the CA Top Secret parameter file.
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