Wonderful in explanations as always.

On Wed, Mar 19, 2008 at 4:15 PM, Michael B. Smith <
[EMAIL PROTECTED]> wrote:

> Actually, it's a little more complicated than that.
>
> NTFS supports very large filenames. I believe the actual limit is on the
> order of 64K characters. If there is real interest I can look it up.
>
> However, there are three different layers that can be used to access NTFS:
> Win32, Native Windows API, and POSIX.
>
> Each one has different rules about case-sensitivity, allowed characters,
> folder name length, filename length, etc. etc. etc.
>
> This actually allows different file systems to be layered on top of NTFS.
> This is used by a number of SAN and NAS operating systems to "hide" their
> information within NTFS.
>
> Win32 is close to DOS (if you know why it was created, you'd understand
> why). It has a limit, in most places, of 256 characters. The native API
> has
> a limit of 1,024 characters. The POSIX layer doesn't have a limit.
>
> Regards,
>
> Michael B. Smith
> MCSE/Exchange MVP
> http://TheEssentialExchange.com <http://theessentialexchange.com/>
>
> -----Original Message-----
> From: Ben Scott [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, March 19, 2008 3:59 PM
> To: NT System Admin Issues
> Subject: Re: NTFS take ownership question
>
>  On Tue, Mar 18, 2008 at 4:32 PM, Kurt Buff <[EMAIL PROTECTED]> wrote:
> >  Problem is, there is a definite limit on file/path specifications with
> >  the Win32 API - after 254 characters, things get really wonky ...
>
>  Yah, I'll second that.  I realized after my last post in this thread
> that the limit is well below the 1024 characters that NTFS is supposed
> to support.  1024 characters would be 12 lines of text in an 80-column
> window.  The paths we have issues with are much shorter.  254
> characters (3 lines) might be it.
>
>  You'd think Microsoft would use the same length limits throughout
> the various Windows components and subsystems, but they apparently
> don't.
>
> -- Ben
>
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