Lightroom 4: "Don't Import Suspected Duplicates" FAILS for two identical files (same name, same MD5)

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  • Updated 4 years ago
Using LR 4.4, I'm seeing duplicate files not detected when the files have the same name and identical content (same MD5).

I've isolated a small test case where I have a directory with a small number of images (taken at the same time with the same camera.)

I can copy this directory to a different location, then try to import it and one of the files will not be detected as a dupe.

I've tried re-reading the metadata for the existing library file.

Files have the same name and same checksums.

This is not an issue just for this one file, I have a 35k database that is flagging 9k dupes when I import from a backup.
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Brian Sassone

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Posted 4 years ago

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Steve Sprengel, Champion

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This is probably not going to cause any action from Adobe unless it is happening in the current production version of LR which is 5.5, soon-to-be 5.6.

Do you have a way for someone else to replicate the problem with a newer version of LR?
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Anette Nam

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I am having the same problem, and I am in 5.5. It does not recognize the photos as duplicates even when I try to import the SAME folder a second time, that the original pictures are read from. (I accidentally hit, "delete", not "remove fro disk" when deleting rejected photos, and was trying to re-import the photos, hoping that only the rejected photos would show up in the import)