diff --git a/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2020-02-14-privatepreview/postgresql.json b/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2020-02-14-privatepreview/postgresql.json
index 1a1a91d2e269..b9d77bef14d3 100644
--- a/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2020-02-14-privatepreview/postgresql.json
+++ b/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/preview/2020-02-14-privatepreview/postgresql.json
@@ -34,7 +34,7 @@
     }
   },
   "paths": {
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}": {
       "put": {
         "tags": [
           "Servers"
@@ -238,7 +238,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers": {
       "get": {
         "tags": [
           "Servers"
@@ -280,7 +280,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/providers/Microsoft.DBforPostgreSQL/flexibleServers": {
+    "/subscriptions/{subscriptionId}/providers/Microsoft.DBForPostgreSQL/flexibleServers": {
       "get": {
         "tags": [
           "Servers"
@@ -319,7 +319,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/restart": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/restart": {
       "post": {
         "tags": [
           "ServerRestart"
@@ -362,7 +362,7 @@
         "x-ms-long-running-operation": true
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/start": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/start": {
       "post": {
         "tags": [
           "ServerStart"
@@ -405,7 +405,7 @@
         "x-ms-long-running-operation": true
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/stop": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/stop": {
       "post": {
         "tags": [
           "ServerStop"
@@ -448,7 +448,7 @@
         "x-ms-long-running-operation": true
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/firewallRules/{firewallRuleName}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/firewallRules/{firewallRuleName}": {
       "put": {
         "tags": [
           "FirewallRules"
@@ -501,7 +501,12 @@
           },
           "202": {
             "description": "Accepted"
-          }
+          },
+          "default": {
+            "schema":{
+              "$ref": "#/definitions/CloudError"
+            }
+         }
         },
         "x-ms-long-running-operation": true
       },
@@ -542,7 +547,12 @@
           },
           "204": {
             "description": "NoContent"
-          }
+          },
+          "default": {
+            "schema":{
+              "$ref": "#/definitions/CloudError"
+            }
+         }
         },
         "x-ms-long-running-operation": true
       },
@@ -590,7 +600,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/firewallRules": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/firewallRules": {
       "get": {
         "tags": [
           "FirewallRules"
@@ -622,6 +632,11 @@
             "schema": {
               "$ref": "#/definitions/FirewallRuleListResult"
             }
+          },
+          "default": {
+            "schema":{
+              "$ref": "#/definitions/CloudError"
+            }
           }
         },
         "x-ms-pageable": {
@@ -629,7 +644,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/configurations": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/configurations": {
       "get": {
         "tags": [
           "Configurations"
@@ -674,7 +689,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/configurations/{configurationName}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/configurations/{configurationName}": {
       "get": {
         "tags": [
           "Configurations"
@@ -719,7 +734,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/updateConfigurations": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/updateConfigurations": {
       "put": {
         "tags": [
           "Configurations"
@@ -774,7 +789,7 @@
         "x-ms-long-running-operation": true
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/maintenanceWindows/{maintenanceWindowName}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/maintenanceWindows/{maintenanceWindowName}": {
       "put": {
         "tags": [
           "CustomerMaintenanceWindow"
@@ -827,6 +842,11 @@
           },
           "202": {
             "description": "Accepted"
+          },
+          "default": {
+            "schema":{
+              "$ref": "#/definitions/CloudError"
+            }
           }
         },
         "x-ms-long-running-operation": true
@@ -868,6 +888,11 @@
           },
           "204": {
             "description": "NoContent"
+          },
+          "default": {
+            "schema":{
+              "$ref": "#/definitions/CloudError"
+            }
           }
         },
         "x-ms-long-running-operation": true
@@ -916,7 +941,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBforPostgreSQL/flexibleServers/{serverName}/maintenanceWindows": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DBForPostgreSQL/flexibleServers/{serverName}/maintenanceWindows": {
       "get": {
         "tags": [
           "CustomerMaintenanceWindow"
@@ -948,11 +973,16 @@
             "schema": {
               "$ref": "#/definitions/CustomerMaintenanceWindowListResult"
             }
+          },
+          "default": {
+            "schema":{
+              "$ref": "#/definitions/CloudError"
+            }
           }
         }
       }
     },
-    "/subscriptions/{subscriptionId}/providers/Microsoft.DBforPostgreSQL/checkNameAvailability": {
+    "/subscriptions/{subscriptionId}/providers/Microsoft.DBForPostgreSQL/checkNameAvailability": {
       "post": {
         "tags": [
           "CheckNameAvailability"
@@ -997,7 +1027,7 @@
         }
       }
     },
-    "/providers/Microsoft.DBforPostgreSQL/operations": {
+    "/providers/Microsoft.DBForPostgreSQL/operations": {
       "get": {
         "tags": [
           "Operations"
@@ -1442,18 +1472,22 @@
       "properties": {
         "dayOfWeek": {
           "type": "integer",
+          "format": "int64",
           "description": "The day of week of the customer maintenance window to start"
         },
         "durationInMinutes": {
           "type": "integer",
+          "format": "int64",
           "description": "The duration of the customer maintenance window to run."
         },
         "startHour": {
           "type": "integer",
+          "format": "int64",
           "description": "The starting hour of the customer maintenance window."
         },
         "startMinute": {
           "type": "integer",
+          "format": "int64",
           "description": "The starting minutes of the customer maintenance window."
         }
       },