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Q: 

Need help with DTC error.

I'm using two server. one as Application Server(win server 2003 sp2) and another one is DataBase Server(win server 2003 sp2). when i run the app server it produce "Invalid operation. connection closed" or " communication underlying transaction failed"..

after i surfed on net i know it's DTC problem.

i opened port 135,1443,1434 and port 5100-5200. but it produces same error...

can any help me..

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