private CrmService GetCrmService()
{
    // Setup the Authentication Token
    CrmSdk.CrmAuthenticationToken token = new CrmSdk.CrmAuthenticationToken();
    token.OrganizationName = ConfigurationManager.AppSettings["CrmOrg"];
    string crmServerHost = ConfigurationManager.AppSettings["CrmHostName"];
    string crmServerPort = ConfigurationManager.AppSettings["CrmPort"];
    //token.AuthenticationType = 0;
    CrmService service = new CrmService();
    if (crmServerHost != null &&
        crmServerHost.Length > 0)
    {
        service.Url = "http://" + crmServerHost + ":" + crmServerPort + "/MSCRMServices/2007/CrmService.asmx";
    }
    service.Credentials = System.Net.CredentialCache.DefaultCredentials;
    service.CrmAuthenticationTokenValue = token;

    return service;
}