The MASTER address space, idle INIT / ASCHINT initiator address
spaces, and the WLM address space may not be reset.
There are no restrictions for the RESET command when the originating
and target service classes are both customer-defined.
Attempts to move a privileged or high dispatching priority address
space into a customer-defined service class are rejected with message, IRA702I
RESET NOT VALID.
With APAR OA12625 installed, attempts to move a
privileged address space into a customer-defined service class are
allowed and no longer rejected with message IRA702I.
RESET can be used to move eligible address spaces (not
just started tasks) from a customer-defined service class to the SYSSTC
service class. If the address space originally was privileged, the
privileged attribute is restored.
RESET can be used to move started tasks eligible for high
dispatching priority into the SYSTEM service class. The high dispatching
attribute is restored when the started task is moved into SYSTEM.