diff --git a/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-create.json b/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-create.json
index c820ed037742..165782848f48 100644
--- a/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-create.json
+++ b/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-create.json
@@ -18,7 +18,7 @@
         "description": "test event 1",
         "input": {
           "streamingProtocol": "RTMP",
-          "keyFrameIntervalDuration": "PT2S"
+          "keyFrameIntervalDuration": "PT6S"
         },
         "preview": {
           "accessControl": {
@@ -26,7 +26,8 @@
               "allow": [
                 {
                   "name": "AllowAll",
-                  "address": "0.0.0.0"
+                  "address": "0.0.0.0", 
+                  "subnetPrefixLength": 0
                 }
               ]
             }
@@ -69,7 +70,7 @@
                   {
                     "name": "AllowAll",
                     "address": "0.0.0.0",
-                    "subnetPrefixLength": null
+                    "subnetPrefixLength": 0
                   }
                 ]
               }
@@ -120,7 +121,7 @@
                   {
                     "name": "AllowAll",
                     "address": "0.0.0.0",
-                    "subnetPrefixLength": null
+                    "subnetPrefixLength": 0
                   }
                 ]
               }
@@ -139,4 +140,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-list-all.json b/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-list-all.json
index 3b3e8efed9de..d37e2b9ecef1 100644
--- a/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-list-all.json
+++ b/specification/mediaservices/resource-manager/Microsoft.Media/stable/2018-07-01/examples/liveevent-list-all.json
@@ -46,7 +46,7 @@
                       {
                         "name": "AllowAll",
                         "address": "0.0.0.0",
-                        "subnetPrefixLength": null
+                        "subnetPrefixLength": 0
                       }
                     ]
                   }
@@ -72,4 +72,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}