C:\project>tfsdeleteproject /collection:https://buckh-test2.visualstudio.com/DefaultCollection Testing

Warning: Deleting a team project is an irrecoverable operation. All version control, work item tracking and Team Foundation build data will be destroyed from the system. The only way to recover this data is by restoring a stored backup of the databases. Are you sure you want to delete the team project and all of its data (Y/N)?y

Deleting from Build ...

Done

Deleting from Version Control ...

Done

Deleting from Work Item Tracking ...

Done

Deleting from TestManagement ...

Done

Deleting from LabManagement ...

Done

Deleting from ProjectServer ...

Done

Warning. Did not find Report Server service.

Warning. Did not find SharePoint site service.

Deleting from Team Foundation Core ...

Done