ORA-28028
        could not authenticate remote server
        
        
        Cause
        During the course of opening a privileged database link, the remote server was not securely identified using the network security service.  Additional errors should follow.
        Action
        Consult the network security service documentation on how to properly configure the remote server.
        
     
    
    
        ORA-28028
        could not authenticate remote server
        
        
        Cause
        During the course of opening a privileged database link, the remote server was not securely identified using the network security service.  Additional errors should follow.
        Action
        Consult the network security service documentation on how to properly configure the remote server.
        
     
    
    
        ORA-28028
        could not authenticate remote server
        
        
        Cause
        During the course of opening a privileged database link, the remote server was not securely identified using the network security service.  Additional errors should follow.
        Action
        Consult the network security service documentation on how to properly configure the remote server.