Since updating Windows 10 to build 10586 (November 2015), IIS application pools no longer appear to work with Enable 32-Bit Applications = True.
IIS either returns a 503 and stops the application pool, or just processes indefinitely.
With Enable 32-Bit Applications = False everything runs correctly. However, I have 32-Bit ISAPI DLLs that also need to be executed as part of the application pool, so this is not an option for me.
Has anyone else encountered this and/or have any suggestions/a solution?