Can any one help me with xp local security polices?

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once changed my pwd policy but cant remember which. but it the effect was it didnt ask pwd at log on then i removed admin from policy"allow log on network" somethibg like that. then it now prompts but certain warning that id and domain name correct and when i enter pwd then it logs in.i just want remove that waring at logon. so plz help me to recover my setting