Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Unrecognized attribute 'multipleSiteBindingsEnabled'. Note that attribute names are case-sensitive.
Source Error:

Line 105:  -->
Line 106:	<system.serviceModel>
Line 107:		<serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
Line 108:  <services>
Line 109:			<service behaviorConfiguration="RFID.Server.WCF.Service1Behavior" 
name="RFID.Server.WCF.Service1">

Source File: C:\inetpub\web\services.test.\RFIDServer\web.config    Line: 107

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Version Information: Microsoft .NET Framework Version:4.0.21006; ASP.NET Version:4.0.21006.1

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Received the above error message when executing a WCF service on a test server.  The WCF service was compiled with .NET  4.0 RC and the test server only had .NET 4.0 Beta 2 installed.  The fix was easy.  Install .NET 4.0 RC full runtime on the test server and it worked.