Cannot retrieve list of objects due to a WMI provider failure. New transaction cannot enlist in the specified transaction coordinator.

Cannot retrieve list of objects due to a WMI provider failure. New transaction cannot enlist in the specified transaction coordinator.

This problem occurs when you run the BizTalk Server across the fire wall. Take a look at the following links:

KB 250367


KB 306843


KB 300083


Ports need to be opened