LabView 2011 Application launched as COM server via the Application Delphi lance is more if installed under 64 bit, Win 7

I have a 32-bit LabView Application written using LabView 2011, that installs and registers as a COM Active X server.  I then used the resulting type library with a 32-bit Delphi Application to launch and communicate with the LabVIEW application (Boolean change States and collect data etc.).

All this worked fine on Windows 7 32 - bit OS but not on Windows 7 64 - bit OS.

The LabView application seems to work on its own, The Delphi launch application will not launch it?

I used mmc comexp.msc 32 to set up the COM server to run as servers with launch of site privileges.

Hi Luke,.

Thanks a lot for your answer.  I have just managed on the basis of track down the problem almost at the same time, your answer came through.

My Delphi application is also a COM server, allowing me to start it remotely from another system.  What I forgot, it was that the remote system makes the connection to the LabView Application otherwise the local application of Delphi just is there and does nothing.  I did it it as a work-around a few years ago because I could not the remote application of Delphi to launch the labview application or attaches to it as a running instance directly.

Thanks again

Tags: NI Software

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