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The Vb6 application is developed using office 2003 .doc, .xls, .mdb as a data source works fine in .net
ComException was unhandled can not access filename...
Updated 7-Jan-12 19:26pm
Sergey Alexandrovich Kryukov 8-Jan-12 1:05am    
Not enough information.

1 solution

Based on the error message its just about permission. Check this post
InteropServices.COMException (0x800A03EC): Microsoft Office Excel cannot access the file[^]
Related MSDN thread Excel 2007 automation[^]

For VB6 to VB.NET migration, check the below blog post
.NET Code Conversion[^]
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