EZD1608I

Explanation
 The Defense Manager daemon (DMD) started and determined
that another instance  of the DMD  is already running.  Only one DMD
can be running at a time.   
 In the message text: tokenname 
The name of the MVS™ token
to which the server is trying to get exclusive access. This value
is DEFENSE MANAGER for the DMD.
level 
The level of exclusivity required. This value is 4 for the DMD. 
persist 
Possible values are:   0
The token is released when the server stops.  This is the value
for the DMD. 
1
The token persists after the server ends.

retcode 
The return code from the MVS token
service. See z/OS MVS Programming: Authorized Assembler Services
Reference EDT-IXG for a complete list of IEANTCR return and
reason codes.

System action
 This instance of the DMD ends.

Operator response
 If you want to start a new instance of the
DMD, stop the active DMD first.

System programmer response
 None.

User response
 Not applicable.

Problem determination
 None.

Source
 z/OS® Communications
Server TCP/IP: Defense Manager daemon

Module
 Not applicable.

Routing code
 10

Descriptor code
 12

Automation
 Not applicable.

Example
  EZD1608I THE DEFENSE MANAGER DAEMON FAILED TO START BECAUSE THE DAEMON IS  ALREADY  RUNNING - TOKEN 
          DEFENSE MANAGER LEVEL 4  PERSIST 0 RETURN CODE 4