DB2 Error when running DTS package

Hello:

I am using SQL Server 2000, SP4. I have a DTS package that creates some .txt files and then tries to upload them to a DB2 server using a .cmd script. The .cmd script calls a .sql file that has the username, password and upload details.

When I run the .cmd script on its own, by double-clicking it in Windows Explorer, it runs successfully. When I try to execute it from within my DTS package, I get the following error:

"DB21005E An error occurred while accessing the file...."

I've Googled the error message and all I could find was that it may be a permissions issue of some kind. The SQL account I am using to run the DTS package has DBO permissions. It is the same account I use to run all my DTS packages and this is the only one failing.

The error appears to be occurring when trying to open the .sql file as opposed to trying to run the commands in it. I don't think it's getting that far.

Any ideas? I'm stumped!