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Editorial Team
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Asked: 2026-06-10T06:43:40+00:00

I use Inno Setup for creating my setup. All works fine, but I run

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I use Inno Setup for creating my setup. All works fine, but I run into the problem: how to register the .NET DLL to make it accessable by COM+. As we all know .NET brings RegSvcs.exe for that so I checked the Inno Setup documentation and only found gacinstall which is for Assembly registration, but not use for COM+ interactions.
So I added this in the [Run] section

; register .Net components for com+
Filename: {win}\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe; Parameters: "{app}\bin\Common.dll"; Description: Component registration; WorkingDir: {app}\bin; StatusMsg: Component registration...; Flags: waituntilterminated

But by testing the setup this line is just skipped.
The DLL is copied to the target before in the [Files] section and is available.
After setup I can manually run RegSvcs.exe from command line as well without a problem.

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1 Answer

  1. Editorial Team

    Inno Setup does it work as intended!

    Problem in my case is:
    RegSvcs.exe install the component with wrong credentials.
    It install the COM+ with security interactive user but as I call it from a service there is no user, so I need SYSTEM as credentials.

    Solution:
    Write a small pice of code that modify the security credentials after registering. I didn’t find any option flags to tell regsvcs.exe it directly.
    Found a post here http://www.carlosag.net/articles/configure-com-plus how to do it and will now adapt the ideas from there to write a small program to do the job.

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