AX - Taking AX Server Offline for Perform Maintenance.

Close client sessions that are connected to an instance of AOS, it is recommended that close client sessions without force by draining users.

Draining users from AOS instance steps

1. Click System Administration > Common > Users > Online users.
2. On the Server instance tab, select the AOS instance that you want to perform maintenance on.
3. Click Reject new clients

1. When you are prompted, click OK to stop the AOS instance from accepting new client connections.
2. "After 5 minutes all users receive a message informing them that they must save their work, because the administrator is shutting down the AOS instance." 
3. The server forces client sessions to close after they have been idle for 2 minutes.
4. Note client sessions for administrators are never closed
5. When number of clients that are connected to AOS is displayed as 0 (zero), you can perform maintenance on the server.
6. After you have finished click Accept new clients.