Update Deltacopy rsync to resolve long file name issues …

Was using rsync in Deltacopy to sync some files from server to nas but was having issues with long file names. Discovered this was resolved with a later version of rsync with dll’s available in the cygwin package. Just wasn’t sure how to update the Deltacopy dll’s with the cygwin ones but found these pages:






  1. Rodrio · · Reply

    Hey i would suggest you to try “Long Path Tool” program, Windows would fail to copy/delete/rename any pathname longer than 256 characterb but this program helps!

    1. I just had a look at this and an alternative. I have not yet tried either but based on my brief look, I would first be trying an alternative called ‘Long Path Fixer’. You can find out more here:


      I just found the ‘Long Path Tool’ website over the top on the sales pitch. And their promotional efforts on other sites bordering on spam.

  2. I got mine to work much more simpler then what is here. DO NOT follow this guide anymore as rsync has updated and is no longer compatible!

    What you need to do is this.

    Download the older working version of Cygwin from sourceforge: http://sourceforge.net/projects/cygvarnish/files/third-party-cygwin-sources/cygwin-1.7.7-1.tar.bz2/download

    Once downloaded the zip, ONLY extract cygwin1.dll and replace it in the main deltacopy folder. (make sure you stop the server first)

    Now you need to add the following two options to deltacd.conf on the first 2 lines:

    uid = 0
    gid = 0

    Now start the server for deltacopy.

    Edit your local paths by adding \\?\ infront of the drive letter.

    For example if i was backing up C:\MyFolder

    Change the folder path that you are backing up in the DeltaCopy client to: \\?\C:\MyFolder

    This fix works 21/09/2015 and will probably always work as long as you follow my instructions.

    1. Thanks Stoogle. Appreciate you taking the time to comment. It sounds like you know what you’re talking about so I’ll take your word for it. I have not had a chance yet to verify it.

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