Error MSB6006 "midl.exe" exited with code 2214.

Error MSB6006 "midl.exe" exited with code 2214. GL3dOcx C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\VC\VCTargets\Microsoft.CppCommon.targets 1408

1. Midl compiler error: 2214

I've some problem with a project (an OCX): when I try to compile in release mode compilation stops with this message:

"1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.CppCommon.targets(1178,5): error MSB6006: "midl.exe" exited with code 2214."

I cannot find any information useful to debug the error because is not an error code, is an exit code. What I can do? It stops right after start parsing "oaidl.acf".

A Solution I was getting the same error when trying to compile an OCX project that was upgraded in VS2013. I had to open the .odl file and move the #include statements inside the library block.

A Solution You may also be able to fix your problem by removing the /mktyplib203 switch from your MIDL settings.

Project->Properties->Configuration Properties->MIDL->General->MkTypLib Compatible: Yes (/mktyplib203)

2. Midl Compiler Error: 2214

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