When navigating to any Silverlight pages on Archer, it throws an Unexpected Error Network trace then shows the following error: Image description The issue usually points to HTTP verbs being blocked, though, upon checking, there are no HTTP verbs configured on the IIS. Further reference below:
Verified that HTTP Activation is not installed as part of the IIS feature.
On the Archer Web Server, install HTTP Activation feature on IIS. Procedure: 1 - Open Server Manager 2 - Click on Manage > Add Roles and Features 3 - On the left pane, go to Features ( Click Next until you enable the Features option ) 4 - Expand .Net Framework 4.6 Features > WCF Services and enable HTTP Activation. 5 - Click Next until Confirmation is enabled and then click on Install. 6 - Restart IIS (On command prompt type iisreset)