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Date:	Fri, 16 Mar 2007 19:03:05 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Bug Report: Purging Old and Invalid User Names With Spaces
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On Fri, Mar 16, 2007 at 10:49:36PM -0000, Thorsten Kampe wrote:
>* Robert Peaslee (Fri, 16 Mar 2007 16:52:40 -0400)
>> Actually, this information is incorrect.
>> 
>> Windows XP stores the first username you choose and will associate your 
>> current username to it regardless of what you change it to. Cygwin 
>> stores nothing, it is asking Windows what your username is and getting a 
>> response of what Windows tells it.
>
>Cygwin asks Windows at first install about the user names and creates 
>/etc/passwd. The problem is (or can be) that this list never gets updated 
>even if the user names change or new user are added.
>
>As Keith wrote:
>"Subsequent installations of CygWin utilize the aforementioned out of 
>date username list, even though those usernames have been changed and 
>are no longer valid."
>
>The secret is to run
>
>mkpasswd -l -c > /etc/passwd
>and
>mkgroup -l -c > /etc/group
>
>Also you have to run this if you're in a domain (because Cygwin retrieves 
>only the local user names, not the domain names).

Given that the OP admitted to wiping out his whole Cygwin installation, I
think it's a safe bet that he wiped out and regenerated his /etc/passwd.

cgf

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