3291105 - Error "No credentials were supplied Unable to establish the security context" when saving an import data connection to BW with option "Enable Secure Network Communication (SNC)" checked in SAP Analytics Cloud Cloud (SAC))

The following error occurs when creating a BW import connection with SNC enabled :

"Connection to BW system failed: CPIC-CALL: CMRCV on convId: XXXXXXXX with rc: 20

LOCATION CPIC (TCP/IP) with Unicode
ERROR GSS-API(maj): No credentials were supplied
Unable to establish the security context
target="p:<SNC Name>"
TIME xxx
RELEASE 753
COMPONENT SNC (Secure Network Communication)
VERSION 6
RC -4
MODULE xxx/src/krn/snc/sncxxall.c
LINE 3604
DETAIL SncPEstablishContext
SYSTEM CALL gss_init_sec_context
COUNTER 8
Correlation ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"

• SAP Analytics Cloud
• Windows Server.

1. Follow the steps in the blog to configure SNC and create connection in SAC: How to create an import connection to SAP BW using SNC in SAC
   
   
2. Save the connection in SAC.
   >> Notice the below error happens:"No credentials were supplied Unable to establish the security context"

The user which starts tomcat is the default local system user not the OS administrator.

• Go to Windows Start Menu->Tomcat configuration->Log on. Then change the logon user to the OS administrator instead of LocalSystem.
• Make sure all the "sapgenpse" commands mentioned in the blog How to create an import connection to SAP BW using SNC in SAC are executed using the same user account which starts tomcat. 

SAP Note: 3234061 - Configure SNC for BW import connections in SAP Analytics Cloud

SAC, BW, SNC, No credentials were supplied, Import, Connection, User, Tomcat, OS administrator, Localsystem, Windows . , KBA , LOD-ANA-AQU-BW , Data Acquisition from BW , Problem