External security got successfully activated in the Datacom Multi-User but running a batch Datacom utility like DBUTLTY fails with Datacom RC 44(001).
F7 0007 DB12NEW:0:DB02405I - PXX START DBUTLTY 51968 44(001) SECVL-0- D-1 DBUTLTY REPORT
IPLing the VSE with SYS SEC=YES is required to activate security even when using an External Security package.
All libraries/sublibraries from the standard LIBDEF Search in the IPL procedure need to be defined in DTSECTAB (VSE).