diff --git a/GVFS/GVFS.Common/FileSystem/HooksInstaller.cs b/GVFS/GVFS.Common/FileSystem/HooksInstaller.cs
index aaa3cc1010..a46c45781b 100644
--- a/GVFS/GVFS.Common/FileSystem/HooksInstaller.cs
+++ b/GVFS/GVFS.Common/FileSystem/HooksInstaller.cs
@@ -1,4 +1,5 @@
-using GVFS.Common.Tracing;
+using GVFS.Common.Git;
+using GVFS.Common.Tracing;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -26,7 +27,13 @@ public static string MergeHooksData(string[] defaultHooksLines, string filename,
         {
             IEnumerable<string> valuableHooksLines = defaultHooksLines.Where(line => !string.IsNullOrEmpty(line.Trim()));
 
-            if (!valuableHooksLines.Any())
+            if (valuableHooksLines.Contains(GVFSPlatform.Instance.Constants.GVFSHooksExecutableName, StringComparer.OrdinalIgnoreCase))
+            {
+                throw new HooksConfigurationException(
+                    $"{GVFSPlatform.Instance.Constants.GVFSHooksExecutableName} should not be specified in the configuration for "
+                    + GVFSConstants.DotGit.Hooks.ReadObjectName + " hooks (" + filename + ").");
+            }
+            else if (!valuableHooksLines.Any())
             {
                 return GVFSPlatform.Instance.Constants.GVFSHooksExecutableName;
             }
diff --git a/GVFS/GVFS.Common/InstallerPreRunChecker.cs b/GVFS/GVFS.Common/InstallerPreRunChecker.cs
index 6587263b6f..295c9091d5 100644
--- a/GVFS/GVFS.Common/InstallerPreRunChecker.cs
+++ b/GVFS/GVFS.Common/InstallerPreRunChecker.cs
@@ -1,5 +1,4 @@
 using GVFS.Common;
-using GVFS.Common.Git;
 using GVFS.Common.Tracing;
 using System;
 using System.Collections.Generic;
@@ -196,7 +195,7 @@ private bool IsGVFSUpgradeAllowed(out string consoleError)
                     Environment.NewLine,
                     $"{GVFSConstants.UpgradeVerbMessages.GVFSUpgrade} is only supported after the \"Windows Projected File System\" optional feature has been enabled by a manual installation of VFS for Git, and only on versions of Windows that support this feature.",
                     "Check your team's documentation for how to upgrade.");
-                this.tracer.RelatedWarning(metadata: null, message:$"{nameof(this.IsGVFSUpgradeAllowed)}: Upgrade is not installable. {consoleError}", keywords: Keywords.Telemetry);
+                this.tracer.RelatedWarning(metadata: null, message: $"{nameof(this.IsGVFSUpgradeAllowed)}: Upgrade is not installable. {consoleError}", keywords: Keywords.Telemetry);
                 return false;
             }
 
diff --git a/GVFS/GVFS/CommandLine/GVFSVerb.cs b/GVFS/GVFS/CommandLine/GVFSVerb.cs
index 6605943fda..3a25369614 100644
--- a/GVFS/GVFS/CommandLine/GVFSVerb.cs
+++ b/GVFS/GVFS/CommandLine/GVFSVerb.cs
@@ -131,6 +131,7 @@ public static bool TrySetRequiredGitConfigSettings(Enlistment enlistment)
                 { "core.untrackedCache", "false" },
                 { "core.repositoryformatversion", "0" },
                 { "core.filemode", GVFSPlatform.Instance.FileSystem.SupportsFileMode ? "true" : "false" },
+                { GitConfigSetting.CoreVirtualizeObjectsName, "true" },
                 { "core.bare", "false" },
                 { "core.logallrefupdates", "true" },
                 { "core.hookspath", expectedHooksPath },