MSDTC is nowadays disabled out-of-the box, this hasn't always been like
this. Enable MSDTC on the host and server.

To enable MSDTC
 1.. Click Start, point to All Programs, point to Administrative Tools, and
click Component Services.
 2.. In the Component Services console, expand Component Services, expand
Computers, right-click My Computer, and then click Properties.
 3.. In the My Computer Properties dialog box, on the MSDTC tab, click
Security Configuration.
 4.. In the Security Configuration dialog box, select the Network DTC
Access check box, select the Network Administration check box, select the
Network Transactions check box, select the Network Clients check box, select
the Transaction Internet Protocol (TIP) Transaction check box, and then
click OK.
 5.. Restart the computer.
Gabriel Lozano-Morán
Software Engineer
Sogeti