I tried to deploy a webservice on a machine which has a .NET framework sdk.
The webservice uses a custom .NET dll. But When I tried to use this library in webservice and call the webservice from the client (Windows form) , i get following response from the server. **********************Exception Message ******************************** Unhandled Exception: System.Web.Services.Protocols.SoapException: Server was unable to process request. --> Class is not licensed for use at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at Service1.SendMultipleAttachmentMail(MailMessage web_message, Object[] filenames, Object[] filedata) in D:\Dinesh\Work folder\newNET\Components\SnedMessages\SendMailServic.cs:line 82 ****************************************************** When I tried to deploy the same webservice on machine which has Visual Studio .NET then it works fine. What does Class is not licensed for use means? Please help me out. Dinesh Upare You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.