1–1,000,000 ( days )
Determines how often the system changes the computer account password of the local computer. This entry is used only when the system is configured to change the computer password automatically at regular intervals, that is, when the value of the DisablePasswordChange entry is 0.
Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits the registry.