diff --git a/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/NetworkFabrics.json b/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/NetworkFabrics.json
index d12bdf8ce471..f7f266ebc35f 100644
--- a/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/NetworkFabrics.json
+++ b/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/NetworkFabrics.json
@@ -1514,7 +1514,7 @@
         "fabricVersion": {
           "type": "string",
           "description": "The version of Network Fabric.",
-          "readOnly": true
+          "minLength": 1
         },
         "routerIds": {
           "type": "array",
diff --git a/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/examples/NetworkFabrics_Create_MaximumSet_Gen.json b/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/examples/NetworkFabrics_Create_MaximumSet_Gen.json
index 9903811b571d..b43800f5386e 100644
--- a/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/examples/NetworkFabrics_Create_MaximumSet_Gen.json
+++ b/specification/managednetworkfabric/resource-manager/Microsoft.ManagedNetworkFabric/stable/2023-06-15/examples/NetworkFabrics_Create_MaximumSet_Gen.json
@@ -13,6 +13,7 @@
         "ipv4Prefix": "10.18.0.0/19",
         "ipv6Prefix": "3FFE:FFFF:0:CD40::/59",
         "fabricASN": 29249,
+        "fabricVersion": "1.x.x",
         "terminalServerConfiguration": {
           "username": "username",
           "password": "xxxx",
@@ -115,7 +116,7 @@
       "body": {
         "properties": {
           "networkFabricSku": "M4-A400-A100-C16-aa",
-          "fabricVersion": "version1",
+          "fabricVersion": "1.x.x",
           "routerIds": [
             "routerId"
           ],
@@ -256,7 +257,7 @@
       "body": {
         "properties": {
           "networkFabricSku": "M4-A400-A100-C16-aa",
-          "fabricVersion": "version1",
+          "fabricVersion": "1.x.x",
           "routerIds": [
             "routerId"
           ],