Overview

This article describes the process to follow when the below error message is displayed after loading GFI MailEssentials Quarantine interface

The type 'System.Web.UI.ScriptManager' is ambiguous: it could come from assembly 'C:\Program Files\GFI\MailEssentials\Quarantine\wwwroot\bin\System.Web.Extensions.DLL' or from assembly 'C:\WINDOWS\assembly\GAC_MSIL\System.Web.Extensions\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll'. Please specify the assembly explicitly in the type name.

Information

Environment

• GFI MailEssentials
• All supported environments.

Process

Add the following lines in the code to the web.config file located in ../GFI/MailEssentials\Wwwconf:

<runtime> 
 <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> 
 <dependentAssembly> 
 <assemblyIdentity name="System.Web.Extensions" publicKeyToken=& quot;31bf3856ad364e35"/> 
 <bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/> 
 </dependentAssembly> 
 <dependentAssembly> 
 <assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken=& quot;31bf3856ad364e35"/> 
 <bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/> 
 </dependentAssembly> 
 </assemblyBinding> 
 </runtime>