title: You are not authorized to respond to this item
body: <p>I am programmatically trying to delegate the sharepoint 2013 workflow task to  "DOMAIN\Test2" user from "DOMAIN\Test1" user. Its delegating to "DOMAIN\Test2" user but when I try to access the task item url using the delegated user("DOMAIN\Test2") account, I am getting the below error:</p>
  
  <p><strong>"You are not authorized to respond to this item."</strong></p>
  
  <pre><code>using (SPSite currentSite = new SPSite("http://tst:001/sites/Test"))
      {
          using (SPWeb currentWeb = currentSite.OpenWeb())
          {
  
              string tasksList = "Workflow Tasks";                    
              SPUser delegateTouser = currentWeb.EnsureUser("DOMAIN\\Test2");
              SPListItem listItem = currentWeb.Lists.TryGetList(tasksList).GetItemById(101);
              listItem[SPBuiltInFieldId.AssignedTo] = delegateTouser;
              listItem[SPBuiltInFieldId.WorkflowVersion] = "1";
              listItem.Update();
          }
      }
  </code></pre>