Open Vpn loggin error

Dear all, everytime i log to vpn using OPENVPN it creates an error on error log telling me that “Error - should be sent to WINS server”. I have not configured WINS server in SMB.conf and I thought at the begining of configuring the server it is not such important. But I think we have to configure wins server. Now if i have to configure wins - how can i do or is there anything other to accomplish ?