Hi, Dave!
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Sometimes when they try to acess the files via my VFP7 app it tells them the index does not match the database and needs to be re-indexed.
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Sounds like an inconsistence problem of the DBC - do you sent the complete DBC everey day (*.DBC, *.DCT, *.DCX and all related tables) or only part?
I never hard about such FTP transfer problem scrambling DBCs!
SeBaFlu