How to use TransactionScope in C#?

Question

I am trying to use TransactionScope, but keep getting the exception below.
The app is running on a different machine than the database, if that matters. I

Answer 1

Control Panel - Administrative Tools - Component Services - My Computer properties - MSDTC tab - Security Configuration tab - Network DTC Access (checked) / Allow Remote Clients (checked) / Allow Inbound (checked) / Allow Outbound (checked) / Enable TIP Transactions (checked)

Reboot computer.