Event viewer shows that the Formulary wasn't downloaded because the zip file is the same version even though there is no zip file ( formularytablesv11.zip ). The folder had a file named DO_NOT_DELETE_FORMULARY_VER.TXT but not a file named FormularyVersion.txt. Renamed DO_NOT_DELETE_FORMULARY_VER.TXT to DO_NOT_DELETE_FORMULARY_VER.TXT.old and created a FormularyVersion.txt file with only the number 1 in the file.
I then changed the eprescriptionTaskConfig.xml:
Changed <FilesCopied> from True to False, then change <LastUpdateDate> to today's date and it should trigger a fresh download.
Restarted the pmsi formulary service and it started the formulary download.