The minimum length of time that a user must keep a password. When a user changes their password, they must keep the new password for the specified duration. This option prevents users from immediately changing their password back to a previous password.
Specify the duration in the following format:
NumberTimeUnitwhere,
| Number | is the number of time units to elapse. | 
| TimeUnit | is the time unit to apply. The following units are available: 
 | 
If you do not specify a TimeUnit, IDOL Community Component reads the specified number as seconds.
If you do not want to set a minimum time length for user passwords, set KeepPasswordDuration to -1.
| Type: | Long | 
| Default: | -1 (disabled) | 
| Required: | No | 
| Configuration Section: | User | 
| Example: | KeepPasswordDuration=6months | 
| See Also: | 
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