So obviously file name can not be larger than 260 character. But path length up to that file including filename length, should be smaller than 260 characters. How long file name is supported by Window?Īs per the source of Microsoft, there is no limit on the length of the file name. When I take server backup, I found many as such file with the longer name. And this is tutorial that demonstrate How to Delete File with Long Name in Windows.
If file restoration from snapshots is necessary on files which exceed MAX_PATH, it may be possible via the above methods.Many of us might have been getting this error “the source file name(s) are larger than is supported by the file system”. Note: The MAX_PATH limit also impacts restoration of deleted files from snapshots. If none of these options work for you, use the form to contact Shared File Services for guidance. Since Macintosh systems aren’t limited by the Microsoft MAX_PATH limit you may be able to browse/rename the path/files as required from a MacOS system. Using the Network Mapped Drive letter, access the UNC path.Įnter \\?\’drive-letter’\ as shown below) and then press Enter.Īccess and correct the file system as necessary.Īttempt remediation utilizing a Macintosh (MacOS) system. Select the existing Network Mapped Drive to your share. ( Start, All Programs, Accessories, Windows Explorer) If your path length is still excessive, start this process by establishing a Network Mapped Drive at a deeper level, closer to the 256 character MAX_PATH as the starting point. Note: This allows you to browse down the sub-folders to a path length of ~512 characters below the Network Mapped Drive. If you do this, start at the root folder (or any other convenient place), and then rename or move folders/files so that they have shorter names. If possible rename or move the folder(s) so that the target files that are deeper than the MAX_PATH no longer exist. If the length of the path and filename combined exceed ~256 characters you will be able to see the path/files via the Windows Explorer, but may not be able to delete/move/rename these paths/files.Īpplications which utilize UNC paths (such as robocopy) and Macintosh (MacOS) systems accessing CIFS do not have the MAX_PATH limitation and can cause this condition.Ī CIFS share containing a file structure which exceeds MAX_PATH may be remediated in the following 3 ways: Microsoft Windows has a MAX_PATH limit of ~256 characters.
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