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Date: Tue, 13 Jan 2026 01:50:11 +0100
To: cygwin AT cygwin DOT com
Subject: Re: cygwin 3.6.6-1
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From: Enrico Forestieri via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Enrico Forestieri <forenr AT lyx DOT org>
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On Mon, Jan 12, 2026 at 11:43:02AM +0100, Corinna Vinschen via Cygwin wrote:
>On Jan 12 10:49, Marco Atzeri via Cygwin wrote:
>> On 12/01/2026 10:45, Corinna Vinschen via Cygwin wrote:
>> > On Jan  9 21:16, Marco Atzeri via Cygwin wrote:
>> > > [...]
>> > > $ cat passwd
>> > > Marco:*:197609:545:U-DESKTOP-OHBRJA7\marco,S-1-5-21-2503904838-1031341892-1080375727-1001:/home/marco:/bin/bash
>> > >
>> > > $ id
>> > > uid=197609(Marco) gid=197121(None)
>> > > groups=197121(None),545(Users),4(INTERACTIVE),66049(CONSOLE
>> > > LOGON),11(Authenticated Users),15(This Organization),113(Local
>> > > account),4095(CurrentSession),66048(LOCAL),262154(NTLM
>> > > Authentication),401408(Medium Mandatory Level)
>> > >
>> > > $ uname -svr
>> > > CYGWIN_NT-10.0-26200 3.6.6-1.x86_64 2026-01-09 17:39 UTC
>> >
>> > Weird.  I just tried it on my machine with both methods for local SAM
>> > accounts, either changing the entry in /etc/passwd, or adding <cygwin
>> > group="users"/> to the local SAM comment field, and in both cases the
>> > primary group of my account is changed to the builtin "Users" group in
>> > Cygwin.
>> >
>> > Sure your /etc/nsswitch.conf is correct?
>>
>> It was some glitch.
>> Closed again all processes and now it works as expected
>
>Oh, I'm glad to read that.

Unfortunately, it still doesn't work for me.

$ getent passwd ef
ef:*:197609:545:U-DRACO\ef,S-1-5-21-654044248-2859118421-879999417-1001:/home/ef:/bin/tcsh

$ id
uid=197609(ef) gid=197121(NESSUNO) gruppi=197121(NESSUNO),545(Users),4(INTERACTIVE),66049(ACCESSO CONSOLE),11(Authenticated Users),15(Questa organizzazione),113(Account locale),4095(CurrentSession),66048(LOCALE),262154(Autenticazione NTLM),401408(Livello obbligatorio medio)

$ cat /etc/nsswitch.conf
# /etc/nsswitch.conf
#
#    This file is read once by the first process in a Cygwin process tree.
#    To pick up changes, restart all Cygwin processes.  For a description
#    see https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch
#
# Defaults:
# passwd:   files db
# group:    files db
# db_enum:  cache builtin
# db_home:  /home/%U
# db_shell: /bin/bash
# db_gecos: <empty>

db_shell: /bin/tcsh

-- 
Enrico










































































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