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                                  • After installing my registered version (I uninstalled the trial version which had no install problems) I received 3 error messages

                                    Cannot create XtraReportsDemos_v9_1/ReportWebDemo virtual directory - COM+ was unable to talk to the Microsoft Distributed Transaction Coordinator
                                    Cannot create XtraReportsDemos_v9_1/VB/ReportWebDemo virtual directory - COM+ was unable to talk to the Microsoft Distributed Transaction Coordinator
                                    Cannot create XtraReportsDemos_v9_1/CS/ReportWebDemo virtual directory - COM+ was unable to talk to the Microsoft Distributed Transaction Coordinator

                                    I redid the uninstall, made sure all files were removed, rebooted, and retried. But still the same.

                                    Any ideas? I am assuming that this means I do not have demos available

                                    -- Tom

                                0

                                Hello Thomas,

                                Thank you for the report. However, I'm afraid that we won't be able to give you an exact solution, because the problem seems not to be directly related to our controls. It appears that you have some serious problems with IIS on your machine, and that our installation simply cannot register a sample project in it. I have Googled this problem and found a lot of messages related to this problem (error 1788). Here is a thread in which a similar problem is discussed:

                                http://support.microsoft.com/kb/257267

                                I'm afraid that I can only suggest that you contact the Microsoft support team to further clarify the problem.

                                Thanks,
                                Stan.

                                0

                                Thanks for pointing me in the right direction as I solved the problem.

                                It appears that something uninstalled the DTC service, which according to Microsoft: "Internet Information Services 5.0 relies on COM+, which in turn relies on the Distributed Transaction Coordinator (DTC) service for functionality."

                                For XP (my system)
                                To solve the problem I first went to Start->Control Panel->Administration Tools->Services and looked for a service called "Distributed Transaction Coordinator." and confirmed it was not there. Keeping the services window open, I then went to a cmd prompt and typed the command

                                msdtc -install

                                I then returned to the services window, refreshed the screen (F5) located the "Distributed Transaction Coordinator" and clicked "Start the service." I left the startup Type as manual.

                                I uninstalled DevExpress and reinstalled and everything went as it should.

                                0

                                Hello Thomas,

                                Thank you very much for sharing your findings with us. I appreciate it greatly! I am happy to hear that the problem is resolved now.

                                Please feel free to contact us in case of any difficulties. We are happy to help you at any time.

                                Thanks,
                                Stan.

                                If you need additional product information, write to us at info@devexpress.com or call us at +1 (818) 844-3383

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