Microsoft has released a hotfix rollup for Microsoft Test Manger to address a number of issues that users may be experiencing. I have experienced a number of the issues addressed in this hotfix rollup including a few while doing presentations
This hotfix rollup combines the Lab Management GDR, the QFE1 patch as well as a few more hotfixes. You should install this update on all computers where you have Microsoft Test Manager installed.
You can find out more about his update on the Microsoft website at
and you can download the update here.