Unexpected Exception when selecting items to view from Discovery Manager Web Client due to IIS Dynamic Restrictions settings.

           

   Article Number:     540699                                   Article Version: 2     Article Type:    Break Fix 
   

 


Product:

 

SourceOne Discovery Manager

 

Issue:

 

 

When navigating within the Discovery Manager Web client after logging into it, the pop-up error 'Unexpected Error' or 'The request failed with HTTP status 403: Forbidden' is reported.   
   
    Unexpected Error   
    HTTP Error 403
                                                           

 

 

Cause:

 

 

This problem is caused by the Dynamic Restrictions settings in IIS 8.x or later.                                                           

 

 

Resolution:

 

 

Disable Dynamic Restrictions in IIS 8.x or increase the threshold that triggers a client IP block.   
    Refer to Microsoft's reference article on:   
    IIS 8.0 Dynamic IP Address Restrictions