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02/24/2014
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Is there an official way to determine if the OPC DA Core Components are installed?
05/30/2017
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1) Go to control panel | uninstall programs | check for Core Components installer.
2) Go to C:\Program Files (x86)\Common Files\OPC Foundation check that it exists and contains DLLs.
02/24/2014
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Sorry, I guess I wasn't specific enough. I'm looking for a way to do this during an install process. I imagine I could find it in the add/remove programs list if needed. Regarding the file path - is that always the correct path? Are there other methods...a registry entry for example?
Thanks,
Ken
05/30/2017
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The installer component id is in the registry. Not sure where.
If you are building your own installer most installer development packages have a way to do this if you know the component id.
You can use orca.exe to extract the info you need from the merge module.
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