After you apply PTF UK54408 for CICSPlex SM (CPSM) V3.2 APAR PM06402 or PTF UK54373 for CPSM V4.2 APAR PM06779, your CMAS fails to initialize. You receive the following messages: EYUXE0001I CPSM subsystem (EYUX) initialization complete. EYUXE0023E ESSS address space not created - Invalid return code from EYU9X320.