Cygwin NFS Unable to setgroups

[Pieter Donche <Pieter dot Donche at ua dot ac dot be>]

Hi,

Set up Cygwin 1.5.24-1 on a WindowsXP and a Windows2003 server.
(XP to try, 2003 for production use)
I want to use the NFS services.
I followed a HOWTO: http://www.csparkx.com/CygwinNFS/index.xhtml

My windows account name is pdon (administrator privileges).
I created a directory /home/fenix (owned by pdon) which I want to
export, so that a backup of some directories of a unix
machine can be performed every night.

My /etc/exports : (AAA.BBB.CCC.DDD = IP address of Unix machine)
/home/fenix     AAA.BBB.CCC.DDD(rw,no_root_squash)

On the unix (Solaris) machine (AAA.BBB.CCC.XXX = IP addr.of Windows 
machine)
I issue the command:
# /usr/sbin/mount -F nfs AAA.BBB.CCC.XXX:/home/fenix /mnt

Mounting works. I can transfer files, no problem.

Then I transferred a 666 Mb file, no problem, but... this generates TENS 
of THOUSANDS of error messages in the Application log :
 Description
  The description for Event ID (0) in Source (nfsd) cannot be found.
  The local computer may not have the necessary registry information
  of message DLL files to display messages from a remote computer. You
  may be able to use the /AUXSOURCE= flag to retrieve this description;
  see Help and Support for details. The following information is part
  of the event:  nfsd: PID 3676: Unable to setgroups: Invalid argument

filling my whole event log file (making me loose all information on
other previous events :-(
-- this I don't like ....

In Cygwin's /var/log/nfsd.log, also over 80.000 messages :
nfsd[3676] 06/04/107 12:02 auth_clnt.c 332 : Unable to setgroups: Invalid 
argument

How can I make the errors not to happen?

I tried alternative lines in /etc/exports
(the UID/GID are those of the user under which I installed Cygwin and by
which /home/fenix is owned)
/home/fenix     AAA.BBB.CCC.DDD(rw,root_squash,anonuid=1004,anongid=513)
/home/fenix     AAA.BBB.CCC.DDD(rw,all_squash,anonuid=1004,anongid=513)

Same results. and by
Also in WinXP, same messages.

Thanx.

P.

\_______________
/ Pieter Donche \____________________________________________
| ITC Manager                  e-mail Pieter.Donche@ua.ac.be \
| Dept. Mathem. & Computer Science, University of Antwerp    |
| (UA) Middelheimlaan 1, B 2020 Antwerpen,      BELGIUM (EU) |
| room G1.16,      tel +32 03.265.3870, fax +32 03.265.3777  |
|____________________________________________________________|

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