You are getting error message similar to below in transaction SOLMAN_SETUP Managed System Configuration step 3 Maintain RFCs even when those roles are already assigned to the user:
User SM_ADMIN_SID also requires authorization on the managed system to perform the next configuration activities.
SAP Solution Manager 7.2
User already contains the required modification" User Exists but required roles are missing, Managed System Configuration , KBA , SV-SMG-INS-CFG-MNG , Managed System Configuration , Problem
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