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Asked: 2026-05-31T01:37:28+00:00

I have a .NET assembly and use regasm.exe to register for COM. The tlb

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I have a .NET assembly and use regasm.exe to register for COM. The tlb is used by users to write code in VBA in Excel.

I did a regasm /regfile and I see that all registry entries are fallin in to ‘HKEY_CLASSES_ROOT\’.
I have an admin constraint (sadly) to run regasm on all user’s machine since it requires admin access to write registry keys in to *HKEY_CLASSES_ROOT*.

My question is, if I change this to write to ‘HKEY_LOCAL_MACHINE’ or ‘HKEY_CURRENT_USER’, will the COM interop still work and will Excel be able to find my types ?

This way, I am thinking I can negotiate for a much less previlieges to my users so they can run this new reg file rather than runing the regasm.

Thanks
Mani

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  1. Editorial Team
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