Not enough free space – 0x80780048

microsoft windows

When trying to perform a windows backup to an external USB drive you may get the following error:

The backup was not successful. The error is: There is not enough free space on the backup storage location to back up the data. (0x80780048)

To resolve this issue, please uncheck the image backup for each drives, and also uncheck “Include a system image of drives”.

If the free space issue does not occur this time, it will probably occur during the system image backup process.

If you are trying to make images for every drive during backup, the disk space of the backup storage may be not enough.

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3 Responses

  1. Alberto says:

    Hello, that solution doesn’t work. Even if you try using the wbadmin command line tool, and include only the C: drive, you get that error anyway. The space is much more than enough, but simply it want to make the backup. Trying on another internal disk, it works. What could be the real reason ?

  2. Nik says:

    Have you tried to use another external USB drive?

  3. Alberto says:

    The problem is that even if you only include the C: drive, it tries to include another drive (in my case the full drive where are stored the system reserved data).
    I thought the problem was the shadow copies: from the dos prompt -> vssadmin listshadows
    I see all the shadow copies.
    I deleted all of them.
    Now it works again.
    Terrible ….

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