Password requirments
Passwords may not contain parts of the user's samAccountName (Account Name) value, username or entire displayName (Full Name value). Both checks are not case sensitive.
The password contains characters from three of the following categories:
- Uppercase letters of European languages (A through Z, with diacritic marks, Greek and Cyrillic characters)
- Lowercase letters of European languages (a through z, sharp-s, with diacritic marks, Greek and Cyrillic characters)
- Base 10 digits (0 through 9)
- Non-alphanumeric characters (special characters) (for example, !, $, #, %)
- Any Unicode character that is categorized as an alphabetic character but is not uppercase or lowercase. This includes Unicode characters from Asian languages.
- Minumum length 7 characters
The password history value is 24.
Password history determines the number of unique new passwords a user must use before an old password can be reused.
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