How to do RegAsm so that it cover 32-bit and 64-bit?

c# windows com regasm regedit

You have it backwards. The Wow6432Node is where the 32-bit specific data goes. Use the 32-bit regasm (from the Framework directory, not the Framework64 directory) to have your component registered in the Wow6432Node.

c# windows com regasm regedit

also, you probably compiled your dll with AllCPU optiontry to compile with x64 and/or x86 option and register like you do

for x64 - "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe" /register /codebase "C:\x64\o.dll"
for x86 - "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" /register /codebase "C:\x86\o.dll"

P.S. its 5yo question, but may be help to other peoples

c# windows com regasm regedit

On my 2016 windows server it was the opposite, it was an old dll that needed to be registered using the "Framework" folder, not the "Framework64" folder:"C:\windows\Microsoft.net\Framework\v4.0.30319\regasm" /register /codebase "full path to dll here"

CodeHunter

How to do RegAsm so that it cover 32-bit and 64-bit?

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