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M204.1536  IUCV connect to GCS machine token failed; return code ​=​ token2

An OPEN LINK command has failed because Model 204 cannot communicate with the GCS machine named in the message.

Response: See your system manager.

System manager response: A CMSIUCV connect macro has failed for the return code shown in the message. Consult the z/VM System Facilities for Programming manual for the meaning of the return code and possible causes (z/VM System Programmer's Guide for z/VM Release 4).

Possible causes are:

  • VT204 not started in the GCS machine
  • VT204 service machine not started
  • Online machine is not authorized in the z/VM directory to connect to the VT204 service machine.

Operator response: Notify the system manager.

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
AUDITERWrites the message with line type ER to the audit trail
COUNTIncrements the error count (ERCNT) parameter
OPRWrites the message to the (operator) console
SAVESaves the message in the VIEW ERRORS table

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