80 Domain User Account Getting Locked Frequently Update

A little bit better after clean install so it is twice a day.
Domain user account getting locked frequently. No errors in the eventlog nothing. A user calls the help desk the help desk re enables the account and a little bit later the account is locked out again. When i check in dc logs wit.
Domain account getting locked out frequently. Recently i change the pwd and from wednesday 14 11 18 my domain account is locked out frequently every 6 8 10 to 30 minutes. First time when i test the connection from the report manager then it get successfully tested.
This happened after he changed his domain password. In some situations especially when a password is changed an account can suddenly start getting locked out consistently for no apparent reason. Once we identify the domain controller that is locking out the user account you can also check the locked account on pdc dc.
Each day a particular user constantly get locked out of his computer. Usually unlocking their ad account from active directory users and computers will resolve the issue but user facing frequently account locking after unlocking the account. I use a lockout tool to trace the source.
Check the event security log for event id 4740 a user account was locked out it will tell you the bad computer name on that the particular account is locking out. Here we are using domain user for the stored credentials that domain user have rights on the specific list and library in the sharepoint. We have 144kbps idsl internet access out at the remote location.
After 2 3 days suddenly that connection throws an. It s a frustrating experience for both the user and the help desk. After update my desktop pc with windows 8 1 every 30 minutes my domain account was locked out.