When you open the web page of the Devolutions Password Server instance that is hosted on a Windows Server 2016, the web page is blank.
These steps are suitable for version 18.104.22.168 and above.
1.Open the IIS Manager on the server.
2.Expand the root and select Application Pools.
3.Select the Devolutions Password Server application pool and click on Advanced Settings... in the Actions pane on the right.
IIS - Application Pools
4.Set the Enable 32-Bit Applications to the value True.
Advanced Settings dialog