diff --git a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/activeDirectoryConnectors.json b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/activeDirectoryConnectors.json
index a57958255fa4..1c6e0361aa5e 100644
--- a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/activeDirectoryConnectors.json
+++ b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/activeDirectoryConnectors.json
@@ -49,6 +49,10 @@
       "type": "object",
       "description": "The properties of an Active Directory connector resource",
       "properties": {
+        "domainServiceAccountLoginInformation": {
+          "$ref": "./common.json#/definitions/BasicLoginInformation",
+          "description": "Username and password for domain service account authentication."
+        },
         "provisioningState": {
           "type": "string",
           "description": "The provisioning state of the Active Directory connector resource.",
@@ -101,6 +105,23 @@
           "type": "string",
           "description": "NETBIOS name of the Active Directory domain."
         },
+        "serviceAccountProvisioning": {
+          "type": "string",
+          "enum": [
+            "automatic",
+            "manual"
+          ],
+          "x-ms-enum": {
+            "name": "accountProvisioningMode",
+            "modelAsString": true
+          },
+          "default": "manual",
+          "description": "The service account provisioning mode for this Active Directory connector."
+        },
+        "ouDistinguishedName": {
+          "type": "string",
+          "description": "The distinguished name of the Active Directory Organizational Unit."
+        },
         "domainControllers": {
           "$ref": "#/definitions/ActiveDirectoryDomainControllers",
           "description": "null",
diff --git a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/CreateOrUpdateActiveDirectoryConnector.json b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/CreateOrUpdateActiveDirectoryConnector.json
index d82a813ec47b..8d0873273eed 100644
--- a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/CreateOrUpdateActiveDirectoryConnector.json
+++ b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/CreateOrUpdateActiveDirectoryConnector.json
@@ -10,6 +10,7 @@
         "spec": {
           "activeDirectory": {
             "realm": "CONTOSO.LOCAL",
+            "serviceAccountProvisioning": "manual",
             "domainControllers": {
               "primaryDomainController": {
                 "hostname": "dc1.contoso.local"
@@ -43,6 +44,7 @@
           "spec": {
             "activeDirectory": {
               "realm": "CONTOSO.LOCAL",
+              "serviceAccountProvisioning": "manual",
               "domainControllers": {
                 "primaryDomainController": {
                   "hostname": "dc1.contoso.local"
@@ -88,6 +90,7 @@
           "spec": {
             "activeDirectory": {
               "realm": "CONTOSO.LOCAL",
+              "serviceAccountProvisioning": "manual",
               "domainControllers": {
                 "primaryDomainController": {
                   "hostname": "dc1.contoso.local"
diff --git a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/GetActiveDirectoryConnector.json b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/GetActiveDirectoryConnector.json
index ccfd3dcac5aa..059369bf892b 100644
--- a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/GetActiveDirectoryConnector.json
+++ b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/GetActiveDirectoryConnector.json
@@ -13,6 +13,7 @@
           "spec": {
             "activeDirectory": {
               "realm": "CONTOSO.LOCAL",
+              "serviceAccountProvisioning": "manual",
               "domainControllers": {
                 "primaryDomainController": {
                   "hostname": "dc1.contoso.local"
diff --git a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/ListByDataControllerActiveDirectoryConnector.json b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/ListByDataControllerActiveDirectoryConnector.json
index e6c95a2b16cf..2573a4b2b3fa 100644
--- a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/ListByDataControllerActiveDirectoryConnector.json
+++ b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/examples/ListByDataControllerActiveDirectoryConnector.json
@@ -14,6 +14,7 @@
               "spec": {
                 "activeDirectory": {
                   "realm": "CONTOSO.LOCAL",
+                  "serviceAccountProvisioning": "manual",
                   "domainControllers": {
                     "primaryDomainController": {
                       "hostname": "dc1.contoso.local"
@@ -57,6 +58,7 @@
               "spec": {
                 "activeDirectory": {
                   "realm": "CONTOSO.LOCAL",
+                  "serviceAccountProvisioning": "manual",
                   "domainControllers": {
                     "primaryDomainController": {
                       "hostname": "dc4.contoso.local"