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2869969 - Technical Communication User Required to Connect to SAP - Anonymous User Login Denied

Symptom

Starting January 1st, 2020, the connectivity to SAP will be changed, as announced on the Connectivity to SAP's Support Backbone landing page

On systems running on SAP Basis up to 7.31, replacing the anonymous user with a technical communication user is the only mandatory action in the system, to ensure functionality of the RFC destination. (A normal S-user is tolerated, but at the risk of being locked due to other activity with the S-user. The password of a technical communication user does not expire.)  The only exception are Solution Manager systems of release 7.1 or below, which are blocked from conncecting to SAP Support Backbone with RFC. For SAP Solution Manager systems and SAP basis >= 7.40 please check if SAP KBA 2865869  still specifies a deviation from the rules stated here

Historically, ABAP systems could connect with an anonymous user to SAP Support Backbone. This legacy logon is disabled on January 2020. Use a technical communication user in the RFC connection to SAP instead. RFC to SAP Support Backbone can be used for the following functionality from January 2020 onwards: EarlyWatch Alert (EWA/transaction SDCCN) and SAP Note Assistant (SNOTES; download of digitally signed SAP Notes requires SAP basis 7.00 minimum).

Service Data Control Center (transaction SDCCN) supports the following functionality with connection to SAP Support Backbone:

  • Send session data
    • Is used to send service data, especially that of the Earlywatch Alert, to SAP. It is also used for the license measurement data.
  • Refresh service definitions:
    • Keeps the service definitions up to date. The service definitions are the list of function modules collected as service data for the EWA (or any other service) in SDCC.
  • Service Preparation - Service Recommendation Refresh:
    RTCCTOOL
    connects to SAP Support Backbone for the Service Preparation - Service Recommendation Refresh. It updates the content of the Service Recommendation (the checklist in RTCCTOOL). RTCCTOOL uses destination SAPOSS (not the destination maintained in the SDCCN destination table). - Exception: If you are on ST-A/PI 01T_* SP00 or below, you must enable destination SAPNET_RTCC. The ST-A/PI 01T_* SP01 was released December 2018.
    Report RTCCTOOL can be started in SDCCN as Service Preparation task or as report in transaction SA38 or SE38.


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Environment

SAP ABAP systems on SAP basis 3.x to 7.31 connecting to SAP Support Backbone.

Keywords

EWA; SAP Support Backbone Update; SDCCN; SDCC , KBA , SV-SMG-SDD , Service Data Download , SV-SMG-SER-EWA , EarlyWatch Alert , How To

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