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Forum Discussion
dtarin
Jul 20, 2023Luminary
Special characters causing backup problems
I have an NTFS drive connected to my ReadyNas via USB for backup. The backups seem to complete but they're filled with messages like this (I masked out the path / filename). Cannot create file ...
saudade
Jul 25, 2023Apprentice
Looks like you got it figured out. For others:
Yes there are limitations on characters you can use in naming.
From: https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file
Use any character in the current code page for a name, including Unicode characters and characters in the extended character set (128–255), except for the following:
The following reserved characters:
< (less than)
> (greater than)
: (colon)
" (double quote)
/ (forward slash)
\ (backslash)
| (vertical bar or pipe)
? (question mark)
* (asterisk)
schumaku
Jul 26, 2023Guru - Experienced User
saudade wrote:
Looks like you got it figured out.
If the file name is so illegal, think about on how has this "xxxxxxxxxxx :2f xxx x xxxx.pdf" ever appeared on what looks like a normal Windows file path. Troubles are often coming from file names used by temporary files, interpreted as UTF8 file names for whatever reason. For example the URL encoded %2f representing a / in this file name path.
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