VTAM ACB OPEN and other ACF2 Intercepts on SHOW ALL Changing from NO to YES

Products

• ACF2
• ACF2 - z/OS
• ACF2 - MISC

Issue/Introduction

In the ACF2 GSO records, VTAM OPEN=NO is set.

Yet a SHOW ALL displays the following:

                                                                                               
 -- ACF2 INTERCEPTS THAT HAVE RECEIVED CONTROL --                                              
 DASD-OPEN(YES)           DASD-EOV(YES)            VSAM-OPEN(YES)           TAPE-OPEN(YES)     
 TAPE-EOV(YES)            CATALOG(YES)             USER CALL(YES)           EXTERNAL CALL(YES) 
 PROGRAM CALL(YES)        JOB INIT(YES)            JOB/STEP TERM(YES)       TSO-MVS(YES)       
 CAT-CVOL(NO)             NONVSAM-ERASE(YES)       VSAM-ERASE(YES)          VTAM-OPEN(YES)     

Where is VTAM-OPEN(YES) set and how can it be displayed?

Environment

Release : 16.0

Component : CA ACF2 for z/OS

Resolution

ACF2 has intercepts that are added during the IPL. 
Immediately after the IPL, they will all say NO. 
The first time any intercept is used, the value will change to YES for the life of the IPL.