Using ADSI Edit, navigate to the user in question. Right-click on the user and select Properties.
Then, scroll down to the ‘userAccountControl’ property and click the Edit button.
66048 into the field and then click ‘OK’ and then ‘Apply’.
After closing the edit window, scroll to the right to confirm that the value indicates the following
'0x10200 = (NORMAL_ACCOUNT|DONT_EXPIRE_PASSWORD)'