ORA-06127
        NETTCP: unable to change username
        
        
        Cause
        The host's SQL*Net TCP/IP server could not establish a PROXY LOGIN connection because the client username is unknown (to the host OS).
        Action
        Create new user account on host.
        
     
    
    
        ORA-06127
        NETTCP: unable to change username
        
        
        Cause
        The host's SQL*Net TCP/IP server could not establish a PROXY LOGIN connection because the client username is unknown (to the host OS).
        Action
        Create new user account on host.
        
     
    
    
        ORA-06127
        NETTCP: unable to change username
        
        
        Cause
        The host's SQL*Net TCP/IP server could not establish a PROXY LOGIN connection because the client username is unknown (to the host OS).
        Action
        Create new user account on host.