CA Datacom DLI Transparency Release 2.3CA Datacom CICS Services Version 12.0
Missing CA Datacom DLI 2.3 PTF SO10178.
MSHP APPLY SO10178 which can be found here
As mentioned in QI81564 , after closing all URTS in the CICS you need to disconnect the CICS from the CA Datacom Multi-User facility by running DBEC P,DISCONNECT,MUF(?) .
If not, DBDL DEACT fails with DL30010E - ONE OR MORE URTS OPEN - DEACTIVATION UNSUCCESSFUL.