When a named license is in use, an error will be thrown when for the same SAP user a new license is requested:

Error 52003: No Produmex 'AddOnUser' license available for ‘manager'RI=DOMAIN\WindowsUser@SERVERNAME PID 16928

This error message contains the information about the license that is in use:

• Manager is the user that requests a license.
• DOMAIN\WindowsUser is the windows user that is using the license.
• SERVERNAME is the server/PC where this license is being used.
• 16928 is the Process ID that uses the license. (This can be seen in the windows task manager, set PID column visible on ‘Processes’ tab)