I now have the results of running the test on two different systems with the same version of Perl.
On the system where the Const variants failed, nothing was printed out.

On the system where the Const was successful, the following was written out.

Microsoft Excel 15.0 Object Library C:\Program Files (x86)\Microsoft Office\Office15\EXCEL.EXE
AdHocReportingExcelClientLib C:\Program Files (x86)\Microsoft Office\Office15\ADDINS\Power View Excel Add-in\AdHocReportingExcelClient.dll
Microsoft Excel 15.0 Object Library C:\Program Files (x86)\Microsoft Office\Office15\EXCEL.EXE
AdHocReportingExcelClientLib C:\Program Files (x86)\Microsoft Office\Office15\ADDINS\Power View Excel Add-in\AdHocReportingExcelClient.dll

From this I gather that there is something missing from the failing system and that this may be something like the dll shown.
What is the simplest way to correct this? Is it as simple as copying the dll?

In reply to Re^3: Excel Const - No type library matching error message by merrymonk
in thread Excel Const - No type library matching error message by merrymonk

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