diff --git a/fetchupd.php b/fetchupd.php
index 69fa50a..c246a4a 100644
--- a/fetchupd.php
+++ b/fetchupd.php
@@ -283,7 +283,8 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
         return array('error' => 'BROKEN_UPDATE');
     }
 
-    if(preg_match('/Corpnet Required/i', $updateTitle)) {
+    $isCorpnet = preg_match('/Corpnet Required/i', $updateTitle);
+    if($isCorpnet && !uupApiConfigIsTrue('allow_corpnet')) {
         consoleLogger('Skipping corpnet only update...');
         return array('error' => 'CORPNET_ONLY_UPDATE');
     }
diff --git a/shared/requests.php b/shared/requests.php
index a40977d..a94d02f 100644
--- a/shared/requests.php
+++ b/shared/requests.php
@@ -184,6 +184,10 @@ function composeDeviceAttributes($flight, $ring, $build, $arch, $sku, $type) {
         'WuClientVer='.$build,
     );
 
+    if($ring == 'MSIT' && uupApiConfigIsTrue('allow_corpnet')) {
+        $attrib[] = 'DUInternal=1';
+    }
+
     return htmlentities('E:'.implode('&', $attrib));
 }