diff --git a/html/Game/AdminScript.php b/html/Game/AdminScript.php
index 3eb2a86..a8a2362 100644
--- a/html/Game/AdminScript.php
+++ b/html/Game/AdminScript.php
@@ -6,7 +6,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 /*
diff --git a/html/Game/ClientPresence.php b/html/Game/ClientPresence.php
index ff92f4e..9f1d035 100644
--- a/html/Game/ClientPresence.php
+++ b/html/Game/ClientPresence.php
@@ -6,7 +6,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $action = (string)$_GET['action'];
@@ -17,7 +17,7 @@ $isteleport = (bool)$_GET['IsTeleport'];
 
 function BadRequest()
 {
-	die(http_response_code(400));
+	die(http_response_code(401));
 }
 
 if (!$action || !$userid || !$placeid)
diff --git a/html/Game/Join.ashx b/html/Game/Join.ashx
index 547b775..4c2fd1e 100644
--- a/html/Game/Join.ashx
+++ b/html/Game/Join.ashx
@@ -95,4 +95,4 @@ if ($_SERVER['HTTP_USER_AGENT'] == $GLOBALS['clientUserAgent']) //user agent res
 		}
 	} 
 }
-die(http_response_code(400));
\ No newline at end of file
+die(http_response_code(401));
\ No newline at end of file
diff --git a/html/Game/KillServer.php b/html/Game/KillServer.php
index 49a6b39..01df59c 100644
--- a/html/Game/KillServer.php
+++ b/html/Game/KillServer.php
@@ -3,7 +3,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $jobID = (string)$_GET['jobid'];
diff --git a/html/Game/PlaceLauncher.ashx b/html/Game/PlaceLauncher.ashx
index 33222d4..bbaab10 100644
--- a/html/Game/PlaceLauncher.ashx
+++ b/html/Game/PlaceLauncher.ashx
@@ -42,7 +42,7 @@ function constructJson($jobid, $status, $joinscripturl, $authenticationurl, $aut
 
 if(!$requesttype || !$placeid || ($_SERVER['HTTP_USER_AGENT'] != $GLOBALS['clientUserAgent']))
 {
-	die(http_response_code(400));
+	die(http_response_code(401));
 }
 
 function genToken($jobid) {
diff --git a/html/Game/RegisterServer.php b/html/Game/RegisterServer.php
index ba2a52e..fa5f798 100644
--- a/html/Game/RegisterServer.php
+++ b/html/Game/RegisterServer.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $jobid = (string)$_GET['jobId'];
diff --git a/html/Game/ServerPing.php b/html/Game/ServerPing.php
index 73afcf7..a974cb2 100644
--- a/html/Game/ServerPing.php
+++ b/html/Game/ServerPing.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $placeid = (int)$_GET['PlaceID'];
diff --git a/html_api/RoleSets/PrivilegedSetUserRoleSetRank.php b/html_api/RoleSets/PrivilegedSetUserRoleSetRank.php
index 803a8c8..4ac14d9 100644
--- a/html_api/RoleSets/PrivilegedSetUserRoleSetRank.php
+++ b/html_api/RoleSets/PrivilegedSetUserRoleSetRank.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 /*
diff --git a/html_api/moderation/AbuseReport/InGameChatHandler.php b/html_api/moderation/AbuseReport/InGameChatHandler.php
index cd72277..6258493 100644
--- a/html_api/moderation/AbuseReport/InGameChatHandler.php
+++ b/html_api/moderation/AbuseReport/InGameChatHandler.php
@@ -9,7 +9,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $xml = file_get_contents('php://input');
diff --git a/html_api/user/avatar/updatesettings.php b/html_api/user/avatar/updatesettings.php
index 234e2db..b35e00f 100644
--- a/html_api/user/avatar/updatesettings.php
+++ b/html_api/user/avatar/updatesettings.php
@@ -15,7 +15,7 @@ $angleLeft = (bool)$_GET['angleLeft'];
 
 if ($angleRight && $angleLeft)
 {
-	die(http_response_code(400));
+	die(http_response_code(401));
 }
 else
 {
diff --git a/html_assetgame/Game/Badge/AwardBadge.php b/html_assetgame/Game/Badge/AwardBadge.php
index aa2ba39..1fd8899 100644
--- a/html_assetgame/Game/Badge/AwardBadge.php
+++ b/html_assetgame/Game/Badge/AwardBadge.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $userid = $_GET['UserID'];
diff --git a/html_assetgame/Game/Badge/HasBadge.php b/html_assetgame/Game/Badge/HasBadge.php
index 2a55325..9884abc 100644
--- a/html_assetgame/Game/Badge/HasBadge.php
+++ b/html_assetgame/Game/Badge/HasBadge.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $userid = $_GET['UserID'];
diff --git a/html_assetgame/Game/Badge/IsBadgeDisabled.php b/html_assetgame/Game/Badge/IsBadgeDisabled.php
index b1b44f6..4f155b8 100644
--- a/html_assetgame/Game/Badge/IsBadgeDisabled.php
+++ b/html_assetgame/Game/Badge/IsBadgeDisabled.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $badgeid = $_GET['BadgeID'];
diff --git a/html_assetgame/Game/BreakFriend.php b/html_assetgame/Game/BreakFriend.php
index e8897c2..8d58e1a 100644
--- a/html_assetgame/Game/BreakFriend.php
+++ b/html_assetgame/Game/BreakFriend.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $firstuser = $_GET['firstUserId'];
diff --git a/html_assetgame/Game/CreateFriend.php b/html_assetgame/Game/CreateFriend.php
index a295634..b79a2cc 100644
--- a/html_assetgame/Game/CreateFriend.php
+++ b/html_assetgame/Game/CreateFriend.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 $firstuser = $_GET['firstUserId'];
diff --git a/html_gamepersistence/Persistence/set.php b/html_gamepersistence/Persistence/set.php
index 5b4d009..850a857 100644
--- a/html_gamepersistence/Persistence/set.php
+++ b/html_gamepersistence/Persistence/set.php
@@ -5,7 +5,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 if(isset($_SERVER["HTTP_CF_CONNECTING_IP"]))
diff --git a/html_versioncompatibility/GetAllowedMD5Hashes.php b/html_versioncompatibility/GetAllowedMD5Hashes.php
index 3f90673..25be55b 100644
--- a/html_versioncompatibility/GetAllowedMD5Hashes.php
+++ b/html_versioncompatibility/GetAllowedMD5Hashes.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 header('Content-Type: application/json');
diff --git a/html_versioncompatibility/GetAllowedSecurityKeys.php b/html_versioncompatibility/GetAllowedSecurityKeys.php
index 4d3ca6a..4d72faa 100644
--- a/html_versioncompatibility/GetAllowedSecurityKeys.php
+++ b/html_versioncompatibility/GetAllowedSecurityKeys.php
@@ -4,7 +4,7 @@ use Alphaland\Web\WebContextManager;
 
 if (!WebContextManager::VerifyAccessKeyHeader())
 {
-    die(http_response_code(400));
+    die(http_response_code(401));
 }
 
 header('Content-Type: application/json');