diff --git a/schemas/2020-03-01/Microsoft.StorageSync.json b/schemas/2020-03-01/Microsoft.StorageSync.json
index a442aa29b6..7f85643f4f 100644
--- a/schemas/2020-03-01/Microsoft.StorageSync.json
+++ b/schemas/2020-03-01/Microsoft.StorageSync.json
@@ -515,7 +515,8 @@
             {
               "type": "integer",
               "minimum": 0,
-              "maximum": 2147483647
+              "maximum": 2147483647,
+              "default": "0"
             },
             {
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
@@ -528,7 +529,8 @@
             {
               "type": "integer",
               "minimum": 0,
-              "maximum": 100
+              "maximum": 100,
+              "default": "20"
             },
             {
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
diff --git a/schemas/2020-09-01/Microsoft.StorageSync.json b/schemas/2020-09-01/Microsoft.StorageSync.json
index 330b653be2..d3e9107b9d 100644
--- a/schemas/2020-09-01/Microsoft.StorageSync.json
+++ b/schemas/2020-09-01/Microsoft.StorageSync.json
@@ -530,7 +530,8 @@
             {
               "type": "integer",
               "minimum": 0,
-              "maximum": 2147483647
+              "maximum": 2147483647,
+              "default": "0"
             },
             {
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"