text: If you click**Password Always Expires**, users must change to new passwords each time that 
  they log on to a server. To set a specific time limit for passwords, select**Expires In__Days**
  and enter the number of days that passwords are valid in the space that is provided. The 
  value can be 1 - 365. 
  
  **Minimum Password Length**
  This setting specifies whether passwords are required. If passwords are required, it specifies 
  the minimum number of characters that passwords can contain. The default value is At Least 
  8 Characters, which means that passwords must contain at least eight characters. 
  
  If you click**Permit Blank Password**, which means that passwords are not required, the valid 
  password length is 0 - 128. 
  
  To set a specific minimum password length, click**At Least__Characters**and enter a 
  number in the space that is provided. The value can be 1 - 128. 
  
  When a user changes a password, the client checks the number of characters that the user 
  entered. The new password must contain the minimum number of characters. Otherwise, the 
  user receives an error message. 
  
  **Password Expiration Notification**
  This setting specifies whether to notify users that their password expires within the specified 
  number of days. 