Note: DTC account can be changed, look
here how and consider if it is necessary. It can be
tricky depending on Operating Systems you are working. Depending on your Operating System you need to set the following settings (above shows the default settings on Windows 2008 (R2)).
Besides DTCPing there is also a tool called DTCTester. Latter utility is to verify transaction support between two computers, if SQL Server is installed on one of the computers. The DTCTester utility uses ODBC to verify transaction support against a SQL
Server database. For more information about DTCTester see
How to Use DTCTester Tool. DTCPing is to verify transaction support between two computers, if SQL Server is not installed on either computer. The DTCPing tool must be run on both the client and server computer.
Both DTCPing and DTCTester can be used to troubleshoot MSTDC. DTCPing, see
How to troubleshoot MS DTC firewall issues. To troubleshoot MSTDC you can also find valuable information at MSDN:
Troubleshooting Problems with MSDTC. Finally you can also look at MSDN:
Tools and Utilities to Use for Troubleshooting or TechNet Wiki article:
BizTalk Server - Troubleshooting Problems with MSDTC.
Very good article, and a great reference!
Thanks for a good arcticle.