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analyse Error Msg EGW 748 not found

 Purpose The purpose of this page is to explain what the error:  " Msg EGW 748 not found"  means, how to diagnose this issue and resolve it.  Overview The return code 748 means that the access of registered server is denied (TP_REG_ACCESS_DENIED). This is due to gateway security settings and the rules of reginfo file defined under parameter gw/reg_info is not correct. Analysis and Resolution Firstly, please review what is the security level enabled in the instance as per the configuration of parameter gw/reg_no_conn_info. This parameter will enable special settings that should be  controlled in the configuration of reginfo file. Further information about this parameter is also available in the following link:      http://wiki.sdn.sap.com/wiki/x/jw1dDw   The SAP documentation in the following link explains how to create the file rules:              ...