SAP Knowledge Base Article - Preview

3467487 - SUM error: RFC login to system failed with code 1 key RFC_COMMUNICATION_FAILURE

Symptom

Below error occurs while performing an upgrade or update using SUM (Software Update Manager):

DDIC password does not work: 

RFC login to system ... failed with code 1 key RFC_COMMUNICATION_FAILURE:

LOCATION CPIC (TCP/IP) with Unicode ERROR GSS-API(maj): 

Miscellaneous failure ...:Server does not trust my certificate path target...


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Environment

AS ABAP system

Keywords

SNC, SUM, DDIC password does not work, RFC_COMMUNICATION_FAILURE, SUMASK, Server does not trust my certificate path target , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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