Manual talk:$wgMinimalPasswordLength
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This appears to have now have a default value of 1 in 1.16 VibroAxe 21:56, 25 November 2009 (UTC)
[edit] Effects of changing password length
I'm looking to change the password length for an existing Wiki and wondered if this will have a negative effect on existing users who have passwords with fewer characters. If so, can this be managed? --Guy Grannum 12:00, 16 February 2010 (UTC)