That was the error we had when we ran setup /admin from our Office 2013 Pro Plus distribution point.
It turns out that we do need to download some additional files from Microsoft's download site.
We downloaded the 32-bit version of the tools and extracted them to a folder.
Once the extraction is complete copy the Admin folder to the root of the Office distribution point.
We could then run the setup /admin command from the distribution point and voila:
We can now go on and create our MST file to allow for automatic installation, activation, and base configuration of the products.
Microsoft Small Business Specialists
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