A shadow group is a global security group that is logically mapped to an OU to enforce a fine-grained password policy. To apply a fine-grained password policy to users of an OU, you can use a shadow group. Fine-grained password policies apply only to user objects or inetOrgPerson objects if they are used instead of user objects and global security groups. In Windows Server and Windows Server Active Directory domains, only one password policy and account lockout policy could be applied to all users in the domain. This feature provides organizations with a way to define different password and account lockout policies for different sets of windows server 2012 standard password policy free download in a domain. Strong passwords that are changed regularly reduce the likelihood of a successful password attack. These passwords help prevent the compromise of user accounts and administrative accounts by unauthorized users who use manual methods or automated tools to guess weak passwords. A secure network environment requires all users to use strong passwords, which have at least eight characters and include a combination of letters, numbers, and symbols. In many operating systems, the most common method to authenticate a user's identity is to use a secret passphrase or password.

This security policy reference topic for the IT professional provides an overview of password policies for Windows and links to information for each policy setting.

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