Tuesday, May 5, 2015

The source file name(s) are larger than is supported by the file system.

The source file name(s) are larger than is supported by the file system.  Try moving to a location which has a shorter path name, or try renaming to shorter name(s) before attempting this operation.

Recently I found that some operations in a backup maintenance job where failing because a file it was trying to remove was failing due to the filenames/path length.

I did the typical options available none of which worked:
  • Attempt to rename it via cmd prompt
  • Attempt to rename it via cmd prompt using the short name.  It contained several special characters and I never could figure out which one it was complaining about.
  • Attempt to rename the directories containing it.  Even using a single letter for each directory didn't reduce it enough.

In the end a simple command did the trick to get the path short enough.
  • Navigate into the directory in question
  • subst M: . (notice the period there indicating current directory)
  • del filename (or rename filename newfilename)
  • subst M: /D

1 comment:

  1. I would recommend to try Long Path Tool program

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