We are in process of upgrading CA Gen 8.0 to CA Gen 8.6. For checking the functionality of components, we are generating and building COM proxies with CA Gen 8.0 toolset.

I am facing the below error in the Gen 8.0 Build Tool output while trying to build the COM Proxies. 

===

---Compiles for Server1CM.DLL Dependencies done

C:\Program Files (x86)\CA\Gen r8\Gen\instmsgj.EXE Server1 Linking Server1CM.DLL

...Linking Server1CM.DLL

link /NOLOGO  /DLL /SUBSYSTEM:WINDOWS  /MACHINE:I386  /NODEFAULTLIB /def:"D:\CA Gen Models\model1.ief\proxy\com\src\Server1\Server1CM.DEF" /out:"D:\CA Gen Models\model1.ief\proxy\com\deploy\Server1\Server1CM.DLL" @"D:\CA Gen Models\model1.ief\proxy\com\src\Server1\Server1CM.lnk"

D:\CA Gen Models\model1.ief\proxy\com\src\Server1\Server1ECM.OBJ : fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64\link.EXE"' : return code '0x458'

Stop.

**************************** 

Link step for Server1CM.DLL failed with errors. 

**************************** 

instmsgj Server1 IEFSIGNAL:FAIL

*** Build for Load Module Server1 Failed. ***

===

Release : 8.0

Component : CA Gen Build Tool

Support generated customer's model COM Proxy successfully in house with Visual Studio Professional 2010 installed (Service Pack 1 also applied) and Gen 8.0 at PTF level WKS80002/RO41237 (Interim Enhancement 2).

After customer also installed the same Gen 8.0 PTF WKS80002/RO41237 the problem was resolved:

Solution Document: RO41237

NOTE: Gen 8.0 is End Of Service (EOS) since August 31, 2019:

CA Gen Release and Support Lifecycle Dates