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Date: Thu, 23 Aug 2007 20:47:52 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Vista: mount/umount -s permission denied
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On Aug 23 13:18, Larry Hall (Cygwin) wrote:
> Dick Repasky wrote:
> >
> >On Windows Vista Enterprise, I consistently receive "permission denied" 
> >errors when using cygwin mount/umount commands on system mounts 
> >(mount/umount -s ...).  I cannot mount novel system mount points (e.g., 
> >mount -s -b C:\\bonga /usr/local) or unmount existing system mount 
> >points (e.g., umount -s /usr/lib). The same is true from the cygwin bash 
> >prompt, from within a cygwin bash script, from the windows command 
> >prompt (C:\cygwin\bin\mount -s ...) or from within a windows .bat file.
> >
> >The system is a single-user system, and my identity is that under which 
> >setup.exe was run to install cygwin.
> >
> >I have not had this issue with cygwin under XP.
> >
> >User mounts (mount/umount -u) work just fine for me on Vista.
> >
> >Are system mounts supposed to be unmutable?  If so, oh.  If not, is 
> >there a work-around, or what have I done wrongly?

You forgot UAC.  Welcome to the wonderful world of strange Vista
concepts.

> Try turning off UAC.  Otherwise, give your user the ability to add/remove/
> update all registry entries.

Erm... turning off UAC will certainly help, but it's not necessary.  And
administrative users *have* all rights to change the HKEY_LOCAL_MACHINE
branch of the registry, it's just one of the rights removed when working
under UAC control.

The most simple way to get the right to mount/umount is to start the
process with admin rights.  On the Cygwin shell icon, right click to get
the context menu and choose "Run as administrator" or your local
equivalent menu entry.  Now you started the shell with all administrative
permissions and you can mount/umount.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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