Just a thought - Make sure that you define the full external file path within your script. Something like this: net use L: \\gisdata1\gisdata batch password /USER:WAKE\gisbatch /persistent:no GISBATCH/batch password is a user/pass that we have set up specifically for batch jobs with a password that doesn't expire. This mounts your external drive - Batch jobs are dumb - they don't recognize drives mounted in your logon script, for example.
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