disconnecting every time.

[serlogo]

hi
in the panel status per user authendication is like 200 or 300.
but just 1 device is using. is this normal? in log files message is like that.

(10772) [CONNECTION_HANDLER_MAPI::MailboxListenerThreadProc] () Notification listener thread unexpectedly lost connection to the server (error is 0); will attempt to reconnect.

thanks.