passwd unrecoverable error 1265

Corinna Vinschen corinna-cygwin@cygwin.com
Wed Aug 31 14:30:00 GMT 2016


On Aug 31 14:12, Vlado wrote:
> On 31.8.2016 12:16, Corinna Vinschen wrote:
> > I found a workaround:  The Windows call for changing the password used
> > by the passwd tool is
> > 
> >   ret = NetUserChangePassowrd (server, username, old_pwd, new_pwd);
> > 
> > The server is usually the logon server, prepended by double backslash,
> > as in the variable $LOGONSERVER, and this is how passwd uses the function.
> > However, while this still works fine on W7 and 2008R2, it fails on the
> > newer systems with error 1265, ERROR_DOWNGRADE_DETECTED.
> > 
> > The workaround puzzles me slightly, but it seems to do the trick:
> > If I use the domain name (as in $USERDOMAIN) instead of the server
> > name when calling this function, it works as expected, also on W7
> > or 2008R2.
> 
> Thank You for very useful information.
> 
> I tried Your workaround and it works perfectly for me:
> 	test@server ~
> 	$ LOGONSERVER=server passwd
> 	Old password:
> 	New password:
> 	Re-enter new password:
> 	Password changed.
> 
> 	test@server ~
> 	$
> 
> (Old value in $LOGONSERVER was \\server)
> 
> My server is standalone Windows Server 2008R2 Enterprise, so Microsoft's
> error message is not quite correct.
> 
> (On Yours 2008R2 problem didn't occur - interesting.)

Yeah, I have no idea why :(


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://cygwin.com/pipermail/cygwin/attachments/20160831/06bc9ded/attachment.sig>


More information about the Cygwin mailing list