How  to close running instance of the user if the user access AX from any other system ?  Go to  Administration Module ->  Click on Online User form ->  on Client Session tab select that user and click End Session button.  
Microsoft Dynamics Ax,AIF,Axapta, Enterprise portal,,Microsoft , United State,U.S., SharePoint , BI Tools, Performance Tuning, SSRS,Business Logic,Ax ERP Errors and solution,Dynamics 365 Errors Solution,Business software .