The problem is, during sharepoint or sql server installation we need to enter several service account and their passwords, and even though I use those passwords many times without any problem, I keep getting an error saying "invalid password or username", or sql service (or any other window service) can't start with the password I enter. Someone must change the password without letting anyone else know?!
Not really, generally for those service accounts, network or server guys like to impose a log on restriction:
