diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceCreateMax.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceCreateMax.json
index 1552d4b274c1..6e307cb7fdb7 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceCreateMax.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceCreateMax.json
@@ -25,7 +25,8 @@
         "publicDataEndpointEnabled": false,
         "proxyOverride": "Redirect",
         "timezoneId": "UTC",
-        "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1"
+        "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1",
+        "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
       }
     }
   },
@@ -51,7 +52,8 @@
           "proxyOverride": "Redirect",
           "dnsZone": "1b4e2caff2530",
           "timezoneId": "UTC",
-          "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1"
+          "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
@@ -83,7 +85,8 @@
           "proxyOverride": "Redirect",
           "dnsZone": "1b4e2caff2530",
           "timezoneId": "UTC",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_westeurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceGet.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceGet.json
index d81c083a4af4..4ad01f466643 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceGet.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceGet.json
@@ -26,7 +26,8 @@
           "publicDataEndpointEnabled": false,
           "proxyOverride": "Default",
           "dnsZone": "1b4e2caff2530",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceList.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceList.json
index 640b037c3ba0..19bc87170b8d 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceList.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceList.json
@@ -29,7 +29,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "1b4e2caff2530"
+              "dnsZone": "1b4e2caff2530",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           },
           {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceListByResourceGroup.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceListByResourceGroup.json
index a08933264aac..2123619ea897 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceListByResourceGroup.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceListByResourceGroup.json
@@ -30,7 +30,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "1b4e2caff2530"
+              "dnsZone": "1b4e2caff2530",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           },
           {
@@ -55,7 +56,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "2c3d1bdae3412"
+              "dnsZone": "2c3d1bdae3412",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           }
         ]
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMax.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMax.json
index f60ec5b9c93e..51268336c84e 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMax.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMax.json
@@ -21,7 +21,8 @@
         "licenseType": "BasePrice",
         "vCores": 8,
         "storageSizeInGB": 448,
-        "collation": "SQL_Latin1_General_CP1_CI_AS"
+        "collation": "SQL_Latin1_General_CP1_CI_AS",
+        "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
       }
     }
   },
@@ -53,7 +54,8 @@
           "publicDataEndpointEnabled": false,
           "proxyOverride": "Redirect",
           "dnsZone": "1b4e2caff2530",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         }
       }
     },
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMin.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMin.json
index b67afb7b384f..aa87197d2540 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMin.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/examples/ManagedInstanceUpdateMin.json
@@ -31,7 +31,8 @@
           "publicDataEndpointEnabled": false,
           "proxyOverride": "Default",
           "dnsZone": "1b4e2caff2530",
-          "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1"
+          "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/managedInstances.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/managedInstances.json
index 0e817f870ea3..f73579be3d37 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/managedInstances.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2015-05-01-preview/managedInstances.json
@@ -439,6 +439,10 @@
           "description": "The Id of the instance pool this managed server belongs to.",
           "type": "string"
         },
+        "maintenanceConfigurationId": {
+          "description": "Specifies maintenance configuration id to apply to this managed instance.",
+          "type": "string"
+        },
         "minimalTlsVersion": {
           "description": "Minimal TLS version. Allowed values: 'None', '1.0', '1.1', '1.2'",
           "type": "string"
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceCreateMax.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceCreateMax.json
index cd3e090e3398..ed423629d53a 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceCreateMax.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceCreateMax.json
@@ -25,7 +25,8 @@
         "publicDataEndpointEnabled": false,
         "proxyOverride": "Redirect",
         "timezoneId": "UTC",
-        "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1"
+        "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1",
+        "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
       }
     }
   },
@@ -51,7 +52,8 @@
           "proxyOverride": "Redirect",
           "dnsZone": "1b4e2caff2530",
           "timezoneId": "UTC",
-          "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1"
+          "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
@@ -83,7 +85,8 @@
           "proxyOverride": "Redirect",
           "dnsZone": "1b4e2caff2530",
           "timezoneId": "UTC",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/pool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceGet.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceGet.json
index 9da73f2a4849..b78074a7820a 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceGet.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceGet.json
@@ -26,7 +26,8 @@
           "publicDataEndpointEnabled": false,
           "proxyOverride": "Default",
           "dnsZone": "1b4e2caff2530",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceList.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceList.json
index 4ff1240668ef..faf180b0c9a1 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceList.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceList.json
@@ -29,7 +29,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "1b4e2caff2530"
+              "dnsZone": "1b4e2caff2530",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           },
           {
@@ -54,7 +55,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "2c3d1bdae3412"
+              "dnsZone": "2c3d1bdae3412",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           }
         ]
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByInstancePool.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByInstancePool.json
index 313ef50fc116..0eeffd79dfdd 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByInstancePool.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByInstancePool.json
@@ -32,7 +32,8 @@
               "publicDataEndpointEnabled": false,
               "dnsZone": "1b4e2caff2530",
               "proxyOverride": "Redirect",
-              "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/Test1/providers/Microsoft.Sql/instancePools/pool1"
+              "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/Test1/providers/Microsoft.Sql/instancePools/pool1",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           },
           {
@@ -58,7 +59,8 @@
               "publicDataEndpointEnabled": false,
               "dnsZone": "2c3d1bdae3412",
               "proxyOverride": "Redirect",
-              "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/Test1/providers/Microsoft.Sql/instancePools/pool1"
+              "instancePoolId": "/subscriptions/20D7082A-0FC7-4468-82BD-542694D5042B/resourceGroups/Test1/providers/Microsoft.Sql/instancePools/pool1",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           }
         ]
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByResourceGroup.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByResourceGroup.json
index 7ef8a934da16..812771b07788 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByResourceGroup.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceListByResourceGroup.json
@@ -30,7 +30,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "1b4e2caff2530"
+              "dnsZone": "1b4e2caff2530",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           },
           {
@@ -55,7 +56,8 @@
               "collation": "SQL_Latin1_General_CP1_CI_AS",
               "publicDataEndpointEnabled": false,
               "proxyOverride": "Default",
-              "dnsZone": "2c3d1bdae3412"
+              "dnsZone": "2c3d1bdae3412",
+              "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
             }
           }
         ]
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMax.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMax.json
index 79d81c6aa48b..4f07238c0e25 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMax.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMax.json
@@ -21,7 +21,8 @@
         "licenseType": "BasePrice",
         "vCores": 8,
         "storageSizeInGB": 448,
-        "collation": "SQL_Latin1_General_CP1_CI_AS"
+        "collation": "SQL_Latin1_General_CP1_CI_AS",
+        "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
       }
     }
   },
@@ -53,7 +54,8 @@
           "publicDataEndpointEnabled": false,
           "proxyOverride": "Redirect",
           "dnsZone": "1b4e2caff2530",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         }
       }
     },
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMin.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMin.json
index 7fa48928dee9..e2247037c5c6 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMin.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/examples/ManagedInstanceUpdateMin.json
@@ -31,7 +31,8 @@
           "publicDataEndpointEnabled": false,
           "proxyOverride": "Default",
           "dnsZone": "1b4e2caff2530",
-          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1"
+          "instancePoolId": "/subscriptions/20d7082a-0fc7-4468-82bd-542694d5042b/resourceGroups/testrg/providers/Microsoft.Sql/instancePools/instancePool1",
+          "maintenanceConfigurationId": "/subscriptions/ab0e51c0-83c0-4380-8ae9-025516df392f/providers/Microsoft.Maintenance/publicMaintenanceConfigurations/SQL_WestEurope_MI_Mon_Fri_10PM_6AM"
         },
         "location": "japaneast",
         "tags": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/managedInstances.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/managedInstances.json
index 14afdcdb4e85..5006cad54c5f 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/managedInstances.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2018-06-01-preview/managedInstances.json
@@ -485,6 +485,10 @@
           "description": "The Id of the instance pool this managed server belongs to.",
           "type": "string"
         },
+        "maintenanceConfigurationId": {
+          "description": "Specifies maintenance configuration id to apply to this managed instance.",
+          "type": "string"
+        },
         "minimalTlsVersion": {
           "description": "Minimal TLS version. Allowed values: 'None', '1.0', '1.1', '1.2'",
           "type": "string"