Symptoms

Since installing RAS Web Portal 16.5.0.20264 you receive "Server Error in '/2XWebPortal' Application" when trying to access it:

To get the detailed error message, please do the following:

1. Set customErrors mode to "Off" in C:\inetpub\wwwroot\2XWebPortal\web.config file:

2. Restart World Wide Web Publishing Service (W3SVC).

You will see the following error regarding unhandled exception:

Cause

The issue is caused by the update of OpenSSL library. Now it requires the Microsoft Visual C++ 2010 Redistributable to load.

Resolution

You need to upgrade RAS Web Portal to version 16.5.1 (20452).

Workaround:

Please download and install the C++ Redistributable package to resolve the issue in previous versions