diff --git a/custom-words.txt b/custom-words.txt
index 0cc8a8caa50f..36fc58146635 100644
--- a/custom-words.txt
+++ b/custom-words.txt
@@ -102,6 +102,7 @@ artifactsource
 artifactsources
 artifacttypes
 asciifolding
+ASCS
 Asns
 aspnet
 asyncinfo
diff --git a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/SAPVirtualInstance.json b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/SAPVirtualInstance.json
index 958563d54a76..25444037cf6e 100644
--- a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/SAPVirtualInstance.json
+++ b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/SAPVirtualInstance.json
@@ -1633,7 +1633,11 @@
       "enum": [
         "Primary",
         "Secondary",
-        "Unknown"
+        "Unknown",
+        "ASCS",
+        "ERSInactive",
+        "ERS",
+        "Standby"
       ],
       "type": "string",
       "readOnly": true,
@@ -1677,6 +1681,22 @@
         "read"
       ]
     },
+    "EnqueueReplicationServerType": {
+      "description": "Defines the type of Enqueue Replication Server.",
+      "enum": [
+        "EnqueueReplicator1",
+        "EnqueueReplicator2"
+      ],
+      "type": "string",
+      "readOnly": true,
+      "x-ms-enum": {
+        "name": "EnqueueReplicationServerType",
+        "modelAsString": true
+      },
+      "x-ms-mutability": [
+        "read"
+      ]
+    },
     "ProvisioningState": {
       "description": "Defines the provisioning states.",
       "enum": [
@@ -2947,6 +2967,45 @@
         }
       }
     },
+    "EnqueueReplicationServerProperties": {
+      "description": "Defines the SAP ERS Server properties.",
+      "type": "object",
+      "properties": {
+        "ersVersion": {
+          "$ref": "#/definitions/EnqueueReplicationServerType",
+          "readOnly": true
+        },
+        "instanceNo": {
+          "type": "string",
+          "description": "The ERS server instance id.",
+          "readOnly": true
+        },
+        "hostname": {
+          "type": "string",
+          "description": "The ERS server SAP host name.",
+          "readOnly": true
+        },
+        "kernelVersion": {
+          "type": "string",
+          "description": "The ERS server SAP kernel version.",
+          "readOnly": true
+        },
+        "kernelPatch": {
+          "type": "string",
+          "description": "The ERS server SAP kernel patch.",
+          "readOnly": true
+        },
+        "ipAddress": {
+          "type": "string",
+          "description": "The ERS server SAP IP Address.",
+          "readOnly": true
+        },
+        "health": {
+          "$ref": "#/definitions/HealthState",
+          "readOnly": true
+        }
+      }
+    },
     "SAPCentralServerProperties": {
       "description": "Defines the SAP Central Server properties.",
       "type": "object",
@@ -2970,6 +3029,9 @@
         "gatewayServerProperties": {
           "$ref": "#/definitions/GatewayServerProperties"
         },
+        "enqueueReplicationServerProperties": {
+          "$ref": "#/definitions/EnqueueReplicationServerProperties"
+        },
         "kernelVersion": {
           "type": "string",
           "description": "The central server kernel version.",
diff --git a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Create.json b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Create.json
index 367744eeb8fd..01a4774259bc 100644
--- a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Create.json
+++ b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Create.json
@@ -49,6 +49,15 @@
             "port": 3300,
             "health": "Healthy"
           },
+          "enqueueReplicationServerProperties": {
+            "ersVersion": "EnqueueReplicator1",
+            "instanceNo": "00",
+            "hostname": "vh-ers1",
+            "kernelVersion": "777",
+            "kernelPatch": "patch 300",
+            "ipAddress": "10.0.0.5",
+            "health": "Healthy"
+          },
           "kernelVersion": "777",
           "kernelPatch": "patch 300",
           "vmDetails": [
@@ -101,6 +110,15 @@
             "port": 3300,
             "health": "Healthy"
           },
+          "enqueueReplicationServerProperties": {
+            "ersVersion": "EnqueueReplicator1",
+            "instanceNo": "00",
+            "hostname": "vh-ers1",
+            "kernelVersion": "777",
+            "kernelPatch": "patch 300",
+            "ipAddress": "10.0.0.5",
+            "health": "Healthy"
+          },
           "kernelVersion": "777",
           "kernelPatch": "patch 300",
           "vmDetails": [
diff --git a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Get.json b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Get.json
index ba1996a5ae47..186629b1f9f9 100644
--- a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Get.json
+++ b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Get.json
@@ -44,6 +44,15 @@
             "port": 3300,
             "health": "Degraded"
           },
+          "enqueueReplicationServerProperties": {
+            "ersVersion": "EnqueueReplicator1",
+            "instanceNo": "00",
+            "hostname": "vh-ers1",
+            "kernelVersion": "777",
+            "kernelPatch": "patch 300",
+            "ipAddress": "10.0.0.5",
+            "health": "Healthy"
+          },
           "kernelVersion": "777",
           "kernelPatch": "patch 300",
           "vmDetails": [
diff --git a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_List.json b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_List.json
index a98e69fd2dfe..fe5b66ec6846 100644
--- a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_List.json
+++ b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_List.json
@@ -45,6 +45,15 @@
                 "port": 3300,
                 "health": "Healthy"
               },
+              "enqueueReplicationServerProperties": {
+                "ersVersion": "EnqueueReplicator1",
+                "instanceNo": "00",
+                "hostname": "vh-ers1",
+                "kernelVersion": "777",
+                "kernelPatch": "patch 300",
+                "ipAddress": "10.0.0.5",
+                "health": "Healthy"
+              },
               "kernelVersion": "777",
               "kernelPatch": "patch 300",
               "vmDetails": [
diff --git a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Update.json b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Update.json
index 3e5efdbc0cb6..8dbbe10a3a42 100644
--- a/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Update.json
+++ b/specification/workloads/resource-manager/Microsoft.Workloads/preview/2021-12-01-preview/examples/sapvirtualinstances/SAPCentralInstances_Update.json
@@ -51,6 +51,15 @@
             "port": 3300,
             "health": "Healthy"
           },
+          "enqueueReplicationServerProperties": {
+            "ersVersion": "EnqueueReplicator1",
+            "instanceNo": "00",
+            "hostname": "vh-ers1",
+            "kernelVersion": "777",
+            "kernelPatch": "patch 300",
+            "ipAddress": "10.0.0.5",
+            "health": "Healthy"
+          },
           "kernelVersion": "777",
           "kernelPatch": "patch 300",
           "vmDetails": [
@@ -103,6 +112,15 @@
             "port": 3300,
             "health": "Healthy"
           },
+          "enqueueReplicationServerProperties": {
+            "ersVersion": "EnqueueReplicator1",
+            "instanceNo": "00",
+            "hostname": "vh-ers1",
+            "kernelVersion": "777",
+            "kernelPatch": "patch 300",
+            "ipAddress": "10.0.0.5",
+            "health": "Healthy"
+          },
           "kernelVersion": "777",
           "kernelPatch": "patch 300",
           "vmDetails": [