SMT1: No authorization to log on via a trusted system (L-RC=100 T-RC=0)

You are getting error message of “No authorization to log on via a trusted system (L-RC=100 T-RC=0)” while during the single status check in transaction code SMT1 (Trusted-Trusting Connections).

The same error message can be captured from the authorization check in transaction code SM59.

Solution

Refer to SAP Note 2593084 – No authorization to log via a trusted system (L-RC=100 T-RC=0),

Maintain correct target client number in the “Logon & Security” tab for the affected RFC destination on Trusted system.