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I have two servers: server1 is a windows 2003 server where the SQL Server is, and server2 is where the BizTalk 2009 server is with all firewalls being off. When I use DTCPing to test, it is sucessful to bind from server2 to server1 but reverse binding has failed. I checked the log file and the error is The RPC server is unavailable.
The binding from server2 to server1 worked fine last month. Although I am not aware of any changes on configurations, I double checked the security setting on local DTC and the RPC service any way. The settings are fine and the RPC service is started.
Does somebody know how to solve this issue?
Thanks in advance.
Lynn
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Hi 😉 When installing and configuring BTS machine separatly from SQL server machine – there’s an issue with MSDTC indeed. SOmetimes, servers receive updates, from system administrators, or download updates from Microsoft and update different sdecurity configurations. First place I would go to look – that both MSDTC (On BTS Server and SQL server are configured the same) http://msdn.microsoft.com/en-us/library/aa544733(CS.70).aspx Then, I’d try to run DTCPing from both machines again. If not solved – ask system administrators if updates were installed. Then continue to liike where problem is – you say that firewalls are down? Sure? Maybe someone could turn them on?
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Yonathan,
I have checked MSDTC on both servers. I’m sure the firewalls are all off on BTS since it is a virtual machine on my computer. Can you think of any reason why the binding is working from BTS to the SQL server but the reverse is not working?
Thanks.
Lynn
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By the way – what do you call “Binding”? Binding its an action of “Connecting” ports/hosts to your application (Orchestration/Logic ports/Host).
Do you mean BTS looking at SQL?
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Both machines are virtual? Hyper-V or VPC or VirtualBox or VMware or something else? Maybe some problem with thise machines? Did the problem just “start one day” ? If those are develop machines – did you try to make connection/ to configure from another machine to that SQL?
On what side it fails? From BTS to SQL or from SQL to BTS?
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Last question is irrelevant.
Can think of RPC on BTS computer is not enabled? You can connect from, but not to?
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🙂
Sorry, can’t think of anything yet. Maybe Daniel will know, or someone else. If you resolve the issue – please write about it – I’d like to know what was the problem (If you want of course.)
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Hi Lynn,
I found the following MSDN link that deals with troubleshooting problems with MSDTC. Run your servers through this checklist and see if you come across any conflicting settings in server configuration:
http://msdn.microsoft.com/en-us/library/aa561924(BTS.20).aspx
I hope this helps,
Daniel.
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Hi Daniel,
How interesting that you and Yonathan are friends?
Anyway, I actually followed that article and made it work last month for my first BizTalk project. I uninstalled and installed jsdtc again but I don’t know why it’s not working anymore.
Both projects are just testing projects for learning purpose only. I am actually a c# web application developer. Our company has just introduced BizTalk and everybody got 5-day training. Since I like the way of thinking when developing BizTalk projects, like an architect, I am trying to learn more. I am kind of stuck now. I may simply stop here.
I don’t know if I’ll ever be assigned to work on real BizTalk projects. If that day comes, I’ll definitely post more questions here again.
Thank you and Yonathan again. It has been a pleasure to communicate with you both.
Lynn
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