When the AS is connected to the ES we never have problems to login but sometimes when the AS have been disconnected from the ES it is not possible to login to the AS.
StruxureWare Building operations 1.4
If a user do one invalid logon attempt this account will be locked until the AS is connected to the ES again.
If the AS is not connected to the ES don't do invalid logon attempts. Make sure to type in the correct password.