3736817 - Diagnostics agent connection fails with access_denied and authentication errors (wrong security principal/credentials) – SAP Solution Manager 7.2

• Diagnostics Agent cannot complete connection/registration to the central system.
  Connection status changes from CONNECTING to ACCESS_DENIED.
  
  Error in smdagent_trace* logs:
  [EXCEPTION]
  javax.naming.NoPermissionException: Exception during getInitialContext operation. Wrong security principal/credentials. [Root exception is com.sap.engine.services.security.exceptions.BaseLoginException: Cannot authenticate the user.]
  
  
• in the work folder dev_smdagent log as follows:
  ERROR => Java node 'SMDAgent' terminated with exit code -11112.
  
  
• jstart status may show YELLOW with “Some processes running”.

• SAP Solution Manager 7.2
• Agent Framework

diagnostics agent, smd agent, access_denied, wrong security principal, cannot authenticate the user, NoPermissionException, BaseLoginException, getInitialContext, authentication failure, smdsetup, secstore.properties, runtime.properties, SAP_RCA_AGT_CONN, NamingOperator, connection failed , KBA , SV-SMG-DIA-SRV-AGT , Agent Framework , Problem