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SNC with SAP .net Connector: Error "Could't acquire ACCEPTING credentials for name="


i want to use SNC between SAP and my registered server program. I configured the destination in SM59 to use SNC.

The connection test in Sm59 gets following error:

SAP.Middleware.Connector.RfcCommunicationException: LOCATION CPIC (TCP/IP) with Unicode ERROR GSS-API(maj): No credentials were supplied Could't acquire ACCEPTING credentials for name="p/secude:CN=***" TIME Mon Jan 06 10:55:42 2020 RELEASE 721 COMPONENT SNC (Secure Network Communication) VERSION 6 RC -4 MODULE sncxxall.c LINE 1465 DETAIL SncPAcquireCred SYSTEM CALL gss_acquire_cred COUNTER 2 RETURN CODE: 20 bei SAP.Middleware.Connector.CpicConnection.CpicReceive(Int32 timeout)

What could be the problem?

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  • Posted on Jul 10, 2020 at 01:07 PM

    In addition to activating SNC settings in the RFC connection you need to have the partner system's SNC certificate in the SNC SAPCryptolib pse.

    Also you need to add the partner system in transaction SNC0 with SNC Name p:CN=xxx where xxx is the name of the connecting system and also the flag Entry for CPIC enabled.

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