Updated to latest Examine version (contains bug fix for U4-2180 Problem with Examine MultiIndexSearcher after upgrading from 4.11.3 to 4.11.8) and removes the partially trusted callers attribute from the PDF lib because itextsharp by default doesn't support med trust.

src/Umbraco.Web.UI/Umbraco.Web.UI.csproj

@@ -108,9 +108,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\ClientDependency-Mvc.1.7.0.4\lib\ClientDependency.Core.Mvc.dll</HintPath>
     </Reference>
-    <Reference Include="Examine, Version=0.1.51.2941, Culture=neutral, processorArchitecture=MSIL">
+    <Reference Include="Examine, Version=0.1.52.2941, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Examine.0.1.51.2941\lib\Examine.dll</HintPath>
+      <HintPath>..\packages\Examine.0.1.52.2941\lib\Examine.dll</HintPath>
     </Reference>
     <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>

src/Umbraco.Web.UI/config/ExamineIndex.config

@@ -27,5 +27,8 @@ More information and documentation can be found on CodePlex: http://umbracoexami
   <!-- Default Indexset for external searches, this indexes all fields on all types of nodes-->
   <IndexSet SetName="ExternalIndexSet" IndexPath="~/App_Data/TEMP/ExamineIndexes/External/" />
 
+  <IndexSet SetName="WebsiteIndexSet" IndexPath="~/App_Data/TEMP/ExamineIndexes/Website/" />
+  <IndexSet SetName="PDFIndexSet" IndexPath="~/App_Data/TEMP/ExamineIndexes/PDF/" />
+
   
 </ExamineLuceneIndexSets>

src/Umbraco.Web.UI/config/ExamineSettings.config

@@ -21,7 +21,25 @@ More information and documentation can be found on CodePlex: http://umbracoexami
 
       <!-- default external indexer, which excludes protected and published pages-->
       <add name="ExternalIndexer" type="UmbracoExamine.UmbracoContentIndexer, UmbracoExamine"/>
-      
+
+      <add name="WebsiteIndexer" type="UmbracoExamine.UmbracoContentIndexer, UmbracoExamine"
+                         dataService="UmbracoExamine.DataServices.UmbracoDataService, UmbracoExamine"
+                         indexSet="WebsiteIndexSet"
+                         supportUnpublished="false"
+                         supportProtected="true"
+                         runAsync="true"
+                         interval="10"
+                         analyzer="Lucene.Net.Analysis.Standard.StandardAnalyzer, Lucene.Net"
+                         enableDefaultEventHandler="true"/>
+
+      <add name="PDFIndexer" type="UmbracoExamine.PDF.PDFIndexer, UmbracoExamine.PDF"
+               extensions=".pdf"
+               umbracoFileProperty="umbracoFile"/>
+
+      <!--<add name="OfficeIndexer" type="CLIENTNAME.BusinessLogic.Search.OfficeIndexer, CLIENTNAME.BusinessLogic"
+               extensions=".docx,.doc,.txt"
+               umbracoFileProperty="umbracoFile"/>-->
+
     </providers>
   </ExamineIndexProviders>
 
@@ -34,6 +52,12 @@ More information and documentation can be found on CodePlex: http://umbracoexami
            analyzer="Lucene.Net.Analysis.Standard.StandardAnalyzer, Lucene.Net" enableLeadingWildcards="true"/>
 
       <add name="ExternalSearcher" type="UmbracoExamine.UmbracoExamineSearcher, UmbracoExamine" />
+
+      <add name="WebsiteSearcher" type="UmbracoExamine.UmbracoExamineSearcher, UmbracoExamine" analyzer="Lucene.Net.Analysis.Standard.StandardAnalyzer, Lucene.Net" enableLeadingWildcards="true"/>
+
+      <add name="PDFSearcher" type="UmbracoExamine.UmbracoExamineSearcher, UmbracoExamine" />
+
+      <add name="CombinedIndexSearcher" type="Examine.LuceneEngine.Providers.MultiIndexSearcher, Examine" indexSets="WebsiteIndexSet,PDFIndexSet"/>
       
     </providers>
   </ExamineSearchProviders>

src/Umbraco.Web.UI/packages.config

@@ -2,7 +2,7 @@
 <packages>
   <package id="ClientDependency" version="1.7.0.4" targetFramework="net40" />
   <package id="ClientDependency-Mvc" version="1.7.0.4" targetFramework="net40" />
-  <package id="Examine" version="0.1.51.2941" targetFramework="net40" />
+  <package id="Examine" version="0.1.52.2941" targetFramework="net40" />
   <package id="log4net-mediumtrust" version="2.0.0" targetFramework="net40" />
   <package id="Lucene.Net" version="2.9.4.1" targetFramework="net40" />
   <package id="Microsoft.AspNet.Mvc" version="4.0.30506.0" targetFramework="net40" />