TFS Add Work Item Column

1) Get List of WorkItem:

     witadmin listwitd /collection:http://XXXXXX/tfs/DefaultCollection /p:ProjectName

2) Export Specific WorkItem Type from the List:

     witadmin exportwitd /collection:http://XXXXXX/tfs/DefaultCollection /p:ProjectName/f:C:\TFS\WorkItem\Product_Backlog_Item.xml /n:"Product Backlog Item"

3) Edit the xml in VS 2015 it will open Eork Item Editor

4) Add Custom Columns ( StartDate -- Custom.StartDate, End Date -- Custom.EndDate)

5) Set the Layout where the colum should display

6) Save the WorkItem Template

7) Validate the WorkItem template

     witadmin importwitd /collection:http://XXXXXX/tfs/DefaultCollection /p:ProjectName/f:C:\TFS\WorkItem\Product_Backlog_Item.xml /v

8) Import the WorkItem template (by removing /v in previous command)

    witadmin importwitd /collection:http://XXXXXX/tfs/DefaultCollection /p:ProjectName /f:C:\TFS\WorkItem\Product_Backlog_Item.xml