Trying to access data in an Access DB, I kept getting the error above..
A bunch of good sites provide the required connection strings, but in order to get it working I had to specify the FULL path to the System.mdw, i.e.
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=[full path to DB];Mode=Read;Jet OLEDB:System database=[full path to mdw file]
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