I can't believe it, why? There was no screensave activated, no wrong password attempt, the computer is not connected with any network. I tried clean boot and disabled all that can be disabled, the problem was same as before. If I change account lockout threshold into 0 the problem was solved. Why? Is there any connection between create new user and that threshold? I don't think it is a solution, is it a bug of window 7 ?

Hi, Thanks for the post! What do you mean the “administrator’s account was locked out after create new user”? How did you find the account is locked? I’m a little confused with what you said. “If I change account lockout threshold into 0”, how and where did you change? The user account control settings? And how did you create the new user? What the kind of user are you creating? Standard user? More details is needed for troubleshooting. Regards, MiyaThis posting is provided "AS IS" with no warranties, and confers no rights. | Please remember to click "Mark as Answer" on the post that helps you, and to click "Unmark as Answer" if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.