I wasnt know if post this at the Windows section or here

but it funny
Error Message: Your Password Must Be at Least 18770 Characters and Cannot Repeat Any of Your Previous 30689 Passwords
The information in this article applies to:
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Professional SP1
This article was previously published under Q276304
SYMPTOMS
If you log on to an MIT realm, press CTRL+ALT+DELETE, click Change Password, type your existing MIT password, and then type a new, simple password that does not pass the dictionary check in Kadmind, you may receive the following error message:
Your password must be at least 18770 characters and cannot repeat any of your previous 30689 passwords. Please type a different password. Type a password that meets these requirements in both text boxes.
Note that the number of required characters changes from 17,145 to 18,770 with the installation of SP1.
M$ link:
hxxp://support.microsoft.com/default.aspx?scid=KB;en-us;q276304