Resolve "COM+ can't talk to Microsoft Distributed Transaction Coordinator

1. Delete the key in the registry:
? HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\MSDTC
? HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\MSDTC < BR>? HKEY_CLASSES_ROOT\\CID

2, stop MSDTC service: net stop msdtc
3, uninstall MSDTC service: msdtc -uninstall
4, re-install MSDTC service: msdtc -install
5 Restart the computer

Reference address: http://support.microsoft.com/?kbid=867520

win2003 disables remote/network transactions by default. The steps are as follows:
Steps to enable network DTC access
1. Click Start, point to Control Panel, and then click Add/Remove Programs.
2. Click Add/Remove Windows Components.
3. Select “Application Server” and click “Details.”
4. Select “Enable Network DTC Access” and click “OK.”
5. Click “Next”.
6. Click “Finish.”
7. Stop Distributed Transaction Coordinator Service, then restart it.
8. Stop any resource manager services (such as Microsoft SQL Server or Microsoft Message Queue Server) that participate in distributed transactions, and then restart them.