diff --git a/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs b/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs
index f757f70e7b2..cc4ebc28e26 100644
--- a/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs
+++ b/src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/VisualStudioLanguageServerFeatureOptions.cs
@@ -44,7 +44,7 @@ public VisualStudioLanguageServerFeatureOptions(ILspEditorFeatureDetector lspEdi
         _useRazorCohostServer = new Lazy<bool>(() =>
         {
             var featureFlags = (IVsFeatureFlags)Package.GetGlobalService(typeof(SVsFeatureFlags));
-            var useRazorCohostServer = featureFlags.IsFeatureEnabled(WellKnownFeatureFlagNames.UseRazorCohostServer, defaultValue: false);
+            var useRazorCohostServer = featureFlags.IsFeatureEnabled(WellKnownFeatureFlagNames.UseRazorCohostServer, defaultValue: true);
             return useRazorCohostServer;
         });
     }
diff --git a/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef b/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef
index 03c2499daf7..756026ad526 100644
--- a/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef
+++ b/src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.Custom.pkgdef
@@ -52,10 +52,9 @@
 
 [$RootKey$\FeatureFlags\Razor\LSP\UseRazorCohostServer]
 "Description"="Uses the Razor language server that is cohosted in Roslyn to provide some Razor tooling functionality."
-"Value"=dword:00000000
+"Value"=dword:00000001
 "Title"="Use Roslyn Cohost server for Razor (requires restart)"
 "PreviewPaneChannels"="*"
-"overrideDefaultValueChannels"="Preview,IntPreview,int.main"
 
 // CacheTag value should be changed when registration file changes
 // See https://devdiv.visualstudio.com/DevDiv/_wiki/wikis/DevDiv.wiki/39345/Manifest-Build-Deployment-and-Setup-Authoring-In-Depth?anchor=example-pkgdef-key for more infomation