Investigate 500.32 errors in placeholder initialization

For V2, App fails to initialize with 500.32 which indicates: ANCM failed to load: https://docs.microsoft.com/en-us/aspnet/core/test/troubleshoot-azure-iis?view=aspnetcore-3.0#50032-ancm-failed-to-load-dll

Start with the reported V2 placeholder initialization failure and the linked ASP.NET Core troubleshooting guidance for 500.32 ANCM errors. Reproduce the initialization failure if possible, then identify the cause and document or resolve it; the issue does not name a source file or test to run.

Written by the indexing model from the issue text.