3623604 - "ERROR GSS-API(maj): No credentials were supplied Unable to establish the security context" in Data Services Designer or when executing a job with SNC authentication

An SAP Data Services job with SNC authentication enabled will fail, displaying an error message similar to the following:

• Cannot connect to SAP Applications datastore <datastore_name> using host <***>, client <xxx>, user <***>,
  and system number <00: CRFC error: RFC_COMMUNICATION_FAILURE-
  LOCATION    CPIC (TCP/IP) on local host *** with Unicode
  ERROR       GSS-API(maj): No credentials were supplied
  GSS-API(min): No credentials found for this name (not logged
  on) (USER name="p:CN=***, OU=***, O=***, C=***"   
  RELEASE     721
  COMPONENT   SNC (Secure Network Communication)
  VERSION     6
  RC          -4
  MODULE      sncxxall.c
  LINE        1459
  DETAIL      SncPAcquireCred
  SYSTEM CALL gss_acquire_cred
  COUNTER     2
  [SAP Partner]>. Please make sure the SAP server is running and the login information is correct.

Additionally, the SNC trace .trc file will not contain an entry for SECUDIR.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

SAP Data Services 4.x

sapcryptolib.dll, sapcrypto, cryptolib, cryptolib8, secure network communications, SNC , KBA , EIM-DS-SAP , SAP Interfaces , Problem