DFHZC0161 date time applid tranid CNOS command for modename modename to node netname connection sysid has failed with code X'code'.

Explanation

CICS has encountered an error while attempting to execute a change number of sessions (CNOS) command for the modename modename on the APPC connection sysid. The failure code X'code' is one of the following:

X'FBA2'

The request to create a lock manager lock for modename failed.

X'FBA3'

CICS could not allocate a session for the CNOS negotiation conversation.

X'FBA6'

The request to obtain a lock manager lock for modename failed.

X'FBAA'

modename was not found or has been defined with one of the reserved names SNASVCMG or CPSVCMG.

X'FBAB'

sysid is known, but not as a connection.

X'FBAC'

The specified connection sysid has no modegroups. This is probably caused by a storage overwrite.

X'FBAD'

The first modegroup on the specified connection sysid has no sessions. This is probably caused by a storage overwrite.

X'FBAF'

The receive command for the CNOS reply failed.

X'FBB1'

The send command for the CNOS command or CNOS reply failed.

X'FBB2'

The session for the single-session connection could not be found. This is probably caused by a storage overwrite.

X'FBB3'

sysid is not a known connection name.

X'FBB4'

The connection is defined to CICS as not supporting CNOS. This is probably caused by a storage overwrite.

X'FBB9'

CICS sent a CNOS command for a specific modename but the partner system returned a CNOS reply indicating all modegroups. This is a protocol violation.

System action

CICS makes an exception trace with ID AP xxxx; where xxxx is the code in the message. CICS takes a system dump for all failure codes except X'FBA2', X'FBA3', X'FBA6', X'FBAF', X'FBB1', and X'FBB9'. CICS continues without completing the request. The task does not abend. Message DFHME0116, which contains the symptom string for this problem, is produced.

User response

This depends on the error code as follows:

X'FBA2'

Follow the guidance given for the lock manager console message that precedes this.

X'FBA3'

If all the sessions are busy, make one available and retry.

X'FBA6'

Follow the guidance given for the lock manager message that precedes this.

X'FBAA'

Reissue the request with the correct modename.

X'FBAB'

Reissue the request with the correct connection name.

X'FBAC'

See the Troubleshooting and support section for further guidance on storage problems.

X'FBAD'

Same as for X'FBAC'.

X'FBAF'

The connected system, or the link to it, has failed. Determine the reason for this from any other messages produced.

X'FBB1'

Same as for X'FBAF'.

X'FBB2'

Same as for X'FBAC'.

X'FBB3'

Reissue the request with the correct connection name.

X'FBB4'

Same as for X'FBAC'.

X'FBB9'

Investigate why the connected system is not following the APPC protocols.

Module

DFHZGCN

XMEOUT parameters/Message inserts

  1. date
  2. time
  3. applid
  4. tranid
  5. modename
  6. netname
  7. sysid
  8. X'code'

Destination

CSNE