If you are using the new Scrum process template on team Foundation Server 2010 and have users that encounter the following hurdle …

… then ensure that the datatype of the “Today” report is not incorrectly set to String, instead of DateTime, which creates some unhappy users not working with regional settings set to US.

For more details about issue  have a look at: http://stuartpreston.net/blog/2010/07/21/date-format-bug-in-sprint-burndown-report-visual-studio-scrum-1-0-rtw-non-us-locales-only/