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M204.2721  TCP address token already uses port token2 on interface token3

The $Socket INIT call is being used to define a new TCP/IP interface, but there is already an active interface with the same address and port. The new interface is not created, and $StatusD is set to -999.

Response: Change the new interface to use a different port.

Message attributes:

RETCODEO=0Sets online return code
RETCODEB=4Sets batch (single user) return code
CLASS=EError class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter
AUDITMSWrites the message with line type MS to the audit trail
NOCOUNTDoes not increment the error count (ERCNT) parameter

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