We collected information about Windows Minimum Password Age Hours for you. Follow the liks to find out everything about Windows Minimum Password Age Hours.
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/hh994570(v=ws.11)#:~:text=If%20Maximum%20password%20age%20is%20between%201%20and,To%20list%20at%20the%20beginning%20of%20this%20topic.
https://docs.microsoft.com/en-us/windows/security/threat-protection/security-policy-settings/minimum-password-age
If the minimum password age is 0, the password can be changed 24 times in a row until finally changed back to "Ra1ny day!". The minimum password age of 1 day prevents that. If you set a password for a user and you want that user to change the administrator-defined password, you must select the User must change password at next logon check box.
https://social.technet.microsoft.com/Forums/windowsserver/en-US/79414789-398a-4f88-bedb-76545a30b902/password-policy-min-password-age
If you set minimum password age to 1. It means that the password change interval requirement for users is 1 day=24 hours. When user change the password at 23:55，then it will be changed again at tomorrow 23:55.
https://www.tenforums.com/tutorials/87386-change-maximum-minimum-password-age-local-accounts-windows-10-a.html
https://security.stackexchange.com/questions/78758/what-is-the-purpose-of-the-password-minimum-age-setting
Configure the Minimum password age policy setting to a value of at least 2 days. Users should know about this limitation and contact the Help Desk if they need to change their password during that two-day period. If you configure the number of days to 0, immediate password changes would be allowed, which we do not recommend. Potential impact
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