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From:	Andreas Wettergren <andreas DOT wettergren AT amesto DOT se>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	RE: Trouble installing to UNC path and/or mapped network drive
Date:	Tue, 23 Aug 2016 14:30:10 +0000
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Thanks for your reply, the problem has been resolved, details below and in my previous reply to Erik.

> -----Original Message-----
> From: cygwin-owner AT cygwin DOT com [mailto:cygwin-owner AT cygwin DOT com] On
> Behalf Of Achim Gratz
> Sent: Monday, August 22, 2016 7:37 PM
> To: cygwin AT cygwin DOT com
> Subject: Re: Trouble installing to UNC path and/or mapped network drive
> 
> Andreas Wettergren writes:
> > I’m running this as a network user that has full read & write access
> > to the target directory and subdirectories.  This user is also a
> > member of the local administrator group.
> […]
> > I’ve tried to run the setup to an empty network path (no prior cygwin
> > files, just an empty directory) as well, with identical results.
> > Nothing gets written to this directory.
> 
> I think the problem is either the local administrator group (sometimes local
> administrators are expressedly forbidden to do anything on the
> network) or your network user cannot change the DACL on the network
> share (another common setup in large organizations).
> 

Yes, it was something like this (I haven't pinpointed the exact cause yet),
running the setup as the network administrator seem to have done the trick.

> > I’ve also tried to run the install to a local drive on my computer.
> > This works as expected, no problems.
> 
> You could try to move / copy that installation to the network share, then.
> 

I had this in mind as something to try, but I wasn't sure if anything in the installation might get incorrect paths or similar.

> > Finally, this sort of install routine has apparently worked in the
> > past, my colleague tells me this is the way he has updated our Cygwin
> > environment before.  It’s possible he did something slightly
> > differently to what I have done this time though.
> 
> Or meanwhile some new security policy got installed that throws a spanner in
> the works.  If your colleague is still able to update Cygwin, you'll know it's
> some sort of access right you're missing and can work it out from there.
> 

Correct, it was some sort of permissions issue, possibly related to underlying Samba problems (see my reply to Erik for details).
I think this Cygwin account I was using was created for a different purpose
(updating a specific in-house program inside Cygwin), and the full install scenario had not been tested before.

Thanks for your suggestions, much appreciated!


Andreas Wettergren
Translation Support
Amesto Translations




> 
> Regards,
> Achim.
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