Сделал
и вот
Executing (MosaicToNewRaster_1): MosaicToNewRaster C:\temp\1.tif;C:\temp\2.tif C:\temp\raster.mdb test # 8_BIT_UNSIGNED # 1 LAST FIRST
Start Time: Mon Feb 20 17:55:32 2006
Executing (Create Raster Dataset): CreateRasterDataset C:\temp\raster.mdb test # 8_BIT_UNSIGNED # 1 # "PYRAMIDS -1 NEAREST" "128 128" LZ77 # C:\temp\raster.mdb\test
Start Time: Mon Feb 20 17:55:32 2006
Executed (Create Raster Dataset) successfully.
End Time: Mon Feb 20 17:55:33 2006 (Elapsed Time: 1,00 secs)
Executing (Mosaic): Mosaic C:\temp\1.tif;C:\temp\2.tif C:\temp\raster.mdb\test LAST FIRST # # NONE 0 C:\temp\raster.mdb\test
Start Time: Mon Feb 20 17:55:33 2006
Error in executing function
Failed to execute (Mosaic).
End Time: Mon Feb 20 17:55:34 2006 (Elapsed Time: 1,00 secs)
Failed to execute (MosaicToNewRaster_1).
End Time: Mon Feb 20 17:55:34 2006 (Elapsed Time: 2,00 secs)
Растры "привязаны", это точно. Все буквы проверены и заменены, при случае.