User Name
Indicates the name of the user (login name):

The user name is shown the short-term archive list and the long-term archive list if the user has entered a comment in the long-term archive list and has changed windows.

After acknowledgement of a message, the user who was logged on to WinCC at time of acknowledgement is identified in the operator input message in the short-term archive list and the long-term archive list. The operator input message must be activated in WinCC Alarm Control on the "Message Lists" tab.