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Top Secret/ACF2: initializing IBM MFA started task receiving R_factor 8 120 10 "buffer too small"

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Article ID: 222038

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Updated On:

Products

Top Secret ACF2 ACF2 - MISC ACF2 - z/OS

Issue/Introduction

initializing IBM MFA (multi-factor authentication) AZF#IN00 started task, see  "buffer too small" errors on OE report.  It appears that AZF#IN00 is initializing successfully. 

R_factor         ZMFA     GUSERS           N/A         N/A   8    120     10 
08/17/21  21.229    7.56.57 AZF#IN00                   2100                  
Failed - Supplied Buffer too small - FACT_GETF_AF                            
 Function: Get general factor                                                
 Factor:   AZFCERT1                                                          
                                                                             
R_factor         ZMFA     GUSERS           N/A         N/A   8    120     10 
08/17/21  21.229    7.56.57 AZF#IN00                   2100                  
Failed - Supplied Buffer too small - FACT_GETF_AF                            
 Function: Get general factor                                                
 Factor:   AZFCKCTC                                                          

 

Environment

Release : 16.0

Component : CA Top Secret for z/OS

Resolution

This is normal.

The caller (IBM MFA) doesn't know how big a buffer to supply, so the called (ESM) returns the size needed.
The factor call retries with the buffer size required. See example flow:

2021/230 14:26:14.67  CAS2206I Name=AZFCERT1                                     
2021/230 14:26:14.67  CAS2205I REQUEST=R_factor        ,EXIT=POST,RC=8/120:10    
2021/230 14:26:14.71  CAS2205I REQUEST=R_factor        ,EXIT=PRE ,RC=N/A         
2021/230 14:26:14.71  CAS2206I Function=GetGeneral                               
2021/230 14:26:14.71  CAS2206I Name=AZFCERT1                                     
2021/230 14:26:14.71  CAS2205I REQUEST=R_factor        ,EXIT=POST,RC=0/0:0       
2021/230 14:26:14.74  CAS2205I REQUEST=R_factor        ,EXIT=PRE ,RC=N/A