On my blog I discuss a fix: Fix MSDTC (Microsoft Distributed transaction coordinator)
This post will help you how set setup and check communication of MSDTC between servers.
Please check:
- Network
- Firewall
- ACL permission
You can config your severs and test the MSDTC by using following tool.
DTCTester: http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q293799
