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SAP Knowledge Base Article - PreviewSymptom
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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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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