Error on accessing CRM webservice from plug-in

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  Hello everyone,

  I have a requirement where I need to create some records on an IFD on-premise deployment based on some data in an online deployment. This is where I am currently stuck:

  - I created a plugin and registered on the online org for create of phonecall

  - I used ILMerge to add Xrm.Client to the assembly

  I am getting the following error: 

  Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

  My code is the following:

  public class Plugin : IPlugin
      {
          IOrganizationService service = null;
  
          public void Execute(IServiceProvider serviceProvider)
          {
              ITracingService tracingService = (ITracingService)serviceProvider.GetService(typeof(ITracingService));
  
              Microsoft.Xrm.Sdk.IPluginExecutionContext context = (Microsoft.Xrm.Sdk.IPluginExecutionContext)
                      serviceProvider.GetService(typeof(Microsoft.Xrm.Sdk.IPluginExecutionContext));
  
              IOrganizationServiceFactory _serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
              service = _serviceFactory.CreateOrganizationService(context.UserId);
  
              if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)
              {
                  Entity entity = context.InputParameters["Target"] as Entity;
  
                  if (entity.LogicalName == "phonecall" && context.MessageName == "Create")
                  {
                      try
                      {
                          var connectionstring = CrmConnection.Parse("Url=https://crmorg.fabrikam.com; Username=username; Password=pwd;");
                          OrganizationService remoteService = new OrganizationService(connectionstring);
  
  
                          Entity phoneCallEntity = new Entity("phonecall");
                          phoneCallEntity["phonenumber"] = entity.Contains("phonenumber") ? entity["phonenumber"] : null;
                          phoneCallEntity["directioncode"] = entity.Contains("directioncode") ? entity["directioncode"] : null;
                          phoneCallEntity["scheduledend"] = entity.Contains("scheduledend") ? entity["scheduledend"] : null;
                          phoneCallEntity["subject"] = entity.Contains("subject") ? entity["subject"] : null;
                          phoneCallEntity["actualdurationminutes"] = entity.Contains("actualdurationminutes") ? entity["actualdurationminutes"] : null;
                          phoneCallEntity["description"] = entity.Contains("description") ? entity["description"] : null;
  
                          Entity sysuser = service.Retrieve("systemuser", ((EntityReference)entity["ownerid"]).Id, new ColumnSet("fullname"));
  
                          QueryExpression query = new QueryExpression
                          {
                              EntityName = "systemuser",
                              ColumnSet = new ColumnSet("systemuserid"),
                              Criteria = new FilterExpression()
                          };
                          query.Criteria.AddCondition("fullname", ConditionOperator.Equal, sysuser["fullname"].ToString());
                          EntityCollection sysusercol = remoteService.RetrieveMultiple(query);
                          if (sysusercol.Entities.Count > 0)
                          {
                              phoneCallEntity["ownerid"] = new EntityReference("systemuser", sysusercol.Entities[0].Id);
  
                              Entity activityparty = new Entity("activityparty");
                              activityparty["partyid"] = new EntityReference("systemuser", sysusercol.Entities[0].Id);
                              activityparty["participationtypemask"] = new OptionSetValue(1);
                              EntityCollection entcol = new EntityCollection();
                              entcol.Entities.Add(activityparty);
                              if ((bool)entity["directioncode"]) phoneCallEntity["to"] = entcol;
                              else phoneCallEntity["from"] = entcol;
                          }
                          remoteService.Create(phoneCallEntity);
                      }
                      catch (Exception ex)
                      {
                          throw new NotImplementedException(ex.Message);
                      }
                  }
              }
          }
  
      }

  Do you have any ideas what might be causing this?

  Regards,

  Adam

  Tuesday, July 8, 2014 12:01 PM