%smers, upgraded adsm 3.1.2.40 to tsm 4.1.3 , on AIX 4.3.5 . We are using one drive DLT , it's working after upgrade , but other one drive 3590B , i do not it work . Befor upgrade the server , i removed the drives and after i configured , (by smitty) but when i try to define a drive , get a message ANR8420E . After this , i upgrade the Atape from 5.0.4.0 to 5.4.4.0 , but i geting same message ANR8420E . Anyone have any idea what REALLY happened when I got that ANR8420E . Many thanks in advance . Taketoshi Ide
