Single-session APPC devices

Following a takeover, CICS® tries to reestablish single APPC sessions in either of the following cases:

  1. The AUTOCONNECT option of the SESSIONS or TYPETERM definition specifies YES.
  2. The session is being tracked, and is bound when the active CICS fails. Single APPC sessions are tracked unless RECOVOPTION(NONE) is specified in the SESSIONS or the TYPETERM definition (depending upon which form of definition is being used). Although RECOVOPTION has five possible values, for ISC there is a choice between NONE (no tracking) and any one of the other options (tracking).

Related concepts
MRO sessions
LUTYPE6.1 sessions
Parallel APPC sessions
Effect on application programs
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