Starting Astex produces a DUMP with the following title :
DUMP TITLE=BRIGHTSTOR CA-ASTEX ASXBLDHV DUMP FUNC=WHO
Release: ASTEX-Performance-Package 2.8
Please verify that EMC devices is installed. If so, check if a special DD was coded in the EMC started task to allow for running different releases of the SCF address space :
/SCF$xxxx DD DUMMY (where xxxx is a unique value)
If this DD was added to the EMC started task then it needs to be added it to Astex as well.
At same time, please, be sure that EMCSCF address space is started before Astex.