Problem: When installing or upgrading Unwired Server, certain .NET applications which are required by Unwired Server, such as OBMO.exe, do not run.
Explanation: There is a problem with the .NET environment which prevents running any .NET applications on the Unwired Server. You see a message in the Event Viewer similar to: "The type initializer for System.Transactions.Diagnostics.DiagnosticTrace threw an exception."