User may be unable to reconnect to Existing sessions. You may also see machine failure with reason none, in Citrix Director
You may see following errors in traces:
TdUdtListenerCreate: Retry number XX to listen: Listener <Hex number> on port 2598″,””
“setListener failed”,””
CUDTUnited::listen failed. Error:-28″,””
CUDT::listen Error:-28″,””
TdUdtListenerCreate: UDT::listen error 0xffffffe4″,””