It looks like problem with correct node parameters in TSM server. Of course
you can change HL and LL address in node definition, but often in doesn't
help.
Try to change in dsm.opt option to schedmode polling and run "shot" backup
(sel c:\autoexec.bat) using clientaction.
After backup successful completed , change it back to schedmode prompted.
(the best way to do this - use clopset).
Don't forget restart TSM scheduler after each change if you don't use CAD or
cloptset.
--
Efim