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By pressing the 'Resend' button, you will get different opportunity when resending the message.
About Disasssembling
The step from Interchange In to Message In is called disassembling.
The Interchange Infile is the file that arrived to Link.
If the Interchange In file is a batch file, it will be de-batched in the disassemble step.
Plain resend
If you don't mark any of the options, the Message In will be resend. (Look at the first screen dump to see where Message In is in the flow)
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