TFS workitem field READONLY after MS Project sync

[almzion]

Is there a way in team foundation server 2010 to make a work item field read only from visual studio and team web access after synchronizing from a MS Project plan to TFS. This is an idea that I had but the problem is that the \[code\]<READONLY />\[/code\] attribute blocks the fields from synchronization with the project plan:\[code\]<WHENNOT field="Custom.WBS" value=""> <READONLY /></WHENNOT>\[/code\]To explain, when synchronizing the project plan for the first time, the WBS field is pushed to TFS with a value, then the field containing the condition above will be readonly, which is perfect, but unfortunately blocks further synchronizations and gives an error message saying that the field cannot be synchronized because it is readonly. Is there a way to set a field as readonly without blocking synchronization from MS Project ?