diff --git a/packages/builder/src/components/backend/TableNavigator/ExistingTableDataImport.svelte b/packages/builder/src/components/backend/TableNavigator/ExistingTableDataImport.svelte
index cd6b5aeb2e..80655d1099 100644
--- a/packages/builder/src/components/backend/TableNavigator/ExistingTableDataImport.svelte
+++ b/packages/builder/src/components/backend/TableNavigator/ExistingTableDataImport.svelte
@@ -1,9 +1,14 @@
 <script>
-  import { FieldType, BBReferenceFieldSubType } from "@budibase/types"
+  import {
+    FieldType,
+    BBReferenceFieldSubType,
+    SourceName,
+  } from "@budibase/types"
   import { Select, Toggle, Multiselect } from "@budibase/bbui"
   import { DB_TYPE_INTERNAL } from "constants/backend"
   import { API } from "api"
   import { parseFile } from "./utils"
+  import { tables, datasources } from "stores/builder"
 
   let error = null
   let fileName = null
@@ -80,6 +85,9 @@
     schema = fetchSchema(tableId)
   }
 
+  $: table = $tables.list.find(table => table._id === tableId)
+  $: datasource = $datasources.list.find(ds => ds._id === table?.sourceId)
+
   async function fetchSchema(tableId) {
     try {
       const definition = await API.fetchTableDefinition(tableId)
@@ -186,12 +194,15 @@
     {/each}
   </div>
   <br />
-  <Toggle
-    bind:value={updateExistingRows}
-    on:change={() => (identifierFields = [])}
-    thin
-    text="Update existing rows"
-  />
+  <!-- SQL Server doesn't yet support overwriting rows by existing keys -->
+  {#if datasource?.source !== SourceName.SQL_SERVER}
+    <Toggle
+      bind:value={updateExistingRows}
+      on:change={() => (identifierFields = [])}
+      thin
+      text="Update existing rows"
+    />
+  {/if}
   {#if updateExistingRows}
     {#if tableType === DB_TYPE_INTERNAL}
       <Multiselect
diff --git a/packages/server/scripts/integrations/mssql/data/Dockerfile b/packages/server/scripts/integrations/mssql/data/Dockerfile
index b8c96e8419..c26af556a9 100644
--- a/packages/server/scripts/integrations/mssql/data/Dockerfile
+++ b/packages/server/scripts/integrations/mssql/data/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/mssql/server:2017-latest
+FROM mcr.microsoft.com/mssql/server:2022-latest
 
 ENV ACCEPT_EULA=Y
 ENV SA_PASSWORD=Passw0rd
diff --git a/packages/server/src/api/controllers/table/external.ts b/packages/server/src/api/controllers/table/external.ts
index 15768d73bb..1583bb8cc0 100644
--- a/packages/server/src/api/controllers/table/external.ts
+++ b/packages/server/src/api/controllers/table/external.ts
@@ -16,7 +16,7 @@ import {
 import sdk from "../../../sdk"
 import { builderSocket } from "../../../websockets"
 import { inputProcessing } from "../../../utilities/rowProcessor"
-import _ from "lodash"
+import { isEqual } from "lodash"
 
 function getDatasourceId(table: Table) {
   if (!table) {
@@ -89,7 +89,7 @@ export async function bulkImport(
   if (
     identifierFields &&
     identifierFields.length > 0 &&
-    !_.isEqual(identifierFields, table.primary)
+    !isEqual(identifierFields, table.primary)
   ) {
     // This is becuse we make use of the ON CONFLICT functionality in SQL
     // databases, which only triggers when there's a conflict against a unique