After upgrading CA Datacom/AD from 14.0 to 15.0 MUF gets a U0004 abend during shutdown:
DB00239I - MUF TERMINATION, START NORMAL EOJ
DB00202I - MULTI-USER DISABLED
DB00501E - OPEN ERROR - RETURN CODE 56 (001) CXX=
IEF450I ADMUF ADMUF - ABEND=S000 U0004 REASON=00000000
IEF404I ADMUF - ENDED
$HASP395 ADMUF ENDED - ABEND=U0004
Release : 15.0, 15.1
Component : CA Datacom/AD