Could not load file or assembly CrystalDecisions.ReportAppServer.ClientDoc

Question

I\'ve looked at similar questions on SO, but nothing quite matches my issue as far as I can tell.

The exception message:

Could not load file o

Answer 1

It turns out the answer was ridiculously simple, but mystifying as to why it was necessary.

In the IIS Manager on the server, I set the application pool for my web application to not allow 32-bit assemblies.

It seems it assumes, on a 64-bit system, that you must want the 32 bit assembly. Bizarre.