Codes related to ISC processing

The codes in the following table relate to ISC processing—either as a result of LOGON or SCIP exits being driven. This is reflected in the DFS3672 message with 'I' appended to the exit type.

Table 1. Codes related to ISC processing
Location code (decimal)	Location code (hexadecimal)	Msg# (DFS)	Exit	Explanation
1	1	79	ISC	IMS shutting down.
2	2	1914	ISC	Bad INQUIRE return code.
3	3	1914	ISC	Bad INQUIRE feedback.
4	4	2066	ISC	USERFLD is zeros.
5	5	2066	ISC	First structured field not 0.
6	6	2066	ISC	User field length = 0.
7	7	2066	ISC	Primary Session Qualifier length = 0.
8	8	2066	ISC	Primary Session Qualifier length > 8.
9	9	2066	ISC	Secondary Session Qualifier length = 0.
10	A	2066	ISC	Secondary Session Qualifier length > 8.
11	B	3107	ISC	SPQB found but allocated.
12	C	3107	ISC	SPQB CRB pointer <> 0.
13	D	2049	ISC	VTCB not found and no dynamic terminals.
14	E	3101	ISC	No available VTCBs.
15	F	3107	ISC	Session initialization already begun.
16	10	3101	ISC	Second SCIP entry for same session.
17	11	3105	ISC	No CNTs on SPQB.
18	12	3107	ISC	Nonzero CID for existing session.
19	13	3111	ISC	Session blocked (3STOP).
20	14	3111	ISC	Session stopped.
21	15	3107	ISC	Ran out of CLBs.
22	16	3101	ISC	SPQB CRB pointer = 0.
23	17	1916	ISC	LOGON, but previous session was secondary.
24	18	1916	ISC	SCIP, but previous session was primary.
25	19	2066	ISC	User data length from INQUIRE = 0.
26	1A	3663	ISC	LU type in BIND = '0602' (LU 6.2)
27	1B	3107	ISC	SPQB found but allocated.
28	1C	3107	ISC	SPQB CRB pointer <> 0.
29	1D	3101	ISC	Second logon entry for same session.

The codes in the following table might occur during ISC BINDRACE processing.

Table 2. Codes related to ISC BINDRACE processing
Location code (decimal)	Location code (hexadecimal)	Msg# (DFS)	Exit	Explanation
41	29	N/A	ISC	SESSIONC not issuable—VTAM® terminating.
42	2A	N/A	ISC	SESSIONC issued.
43	2B	N/A	ISC	SESSIONC not issuable—VTAM terminating.
44	2C	N/A	ISC	BIND not received.
45	2D	N/A	ISC	SESSIONC issued.