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Windows 7: Windows Service Fails to 'Access' System Interop

02 Mar 2011   #1

Window 7 Embedded
Windows Service Fails to 'Access' System Interop

Web Service Hosted by Windows Service Fails to 'Access' System Interop DLL

I have some hardware controlling software running on Windows 7 Embedded. Running a Windows Forms test harness will successfully control the hardware via the 3rd party dll which is invoked via interop.

Trying to run the same driver using a web service hosted in a windows service fails either on the first call or, for instance, if I try a LoadLibrary() even with a fully qualified path (note File.Exists says true...).

Tried quite a few tricks but to no avail....


My System SpecsSystem Spec


 Windows Service Fails to 'Access' System Interop

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