diff --git a/src/Common/CosmosClient.ts b/src/Common/CosmosClient.ts
index cf34b2279..1ecd94944 100644
--- a/src/Common/CosmosClient.ts
+++ b/src/Common/CosmosClient.ts
@@ -125,7 +125,11 @@ export const endpoint = () => {
     const location = _global.parent ? _global.parent.location : _global.location;
     return configContext.EMULATOR_ENDPOINT || location.origin;
   }
-  return userContext.endpoint || userContext?.databaseAccount?.properties?.documentEndpoint;
+  return (
+    userContext.selectedRegionalEndpoint ||
+    userContext.endpoint ||
+    userContext?.databaseAccount?.properties?.documentEndpoint
+  );
 };
 
 export async function getTokenFromAuthService(
@@ -203,6 +207,7 @@ export function client(): Cosmos.CosmosClient {
     userAgentSuffix: "Azure Portal",
     defaultHeaders: _defaultHeaders,
     connectionPolicy: {
+      enableEndpointDiscovery: !userContext.selectedRegionalEndpoint,
       retryOptions: {
         maxRetryAttemptCount: LocalStorageUtility.getEntryNumber(StorageKey.RetryAttempts),
         fixedRetryIntervalInMilliseconds: LocalStorageUtility.getEntryNumber(StorageKey.RetryInterval),
diff --git a/src/Explorer/Panes/SettingsPane/SettingsPane.tsx b/src/Explorer/Panes/SettingsPane/SettingsPane.tsx
index 1626f09d1..a40f4da99 100644
--- a/src/Explorer/Panes/SettingsPane/SettingsPane.tsx
+++ b/src/Explorer/Panes/SettingsPane/SettingsPane.tsx
@@ -6,7 +6,9 @@ import {
   Checkbox,
   ChoiceGroup,
   DefaultButton,
+  Dropdown,
   IChoiceGroupOption,
+  IDropdownOption,
   ISpinButtonStyles,
   IToggleStyles,
   Position,
@@ -21,7 +23,15 @@ import { InfoTooltip } from "Common/Tooltip/InfoTooltip";
 import { Platform, configContext } from "ConfigContext";
 import { useDialog } from "Explorer/Controls/Dialog";
 import { useDatabases } from "Explorer/useDatabases";
-import { deleteAllStates } from "Shared/AppStatePersistenceUtility";
+import { isFabric } from "Platform/Fabric/FabricUtil";
+import {
+  AppStateComponentNames,
+  deleteAllStates,
+  deleteState,
+  hasState,
+  loadState,
+  saveState,
+} from "Shared/AppStatePersistenceUtility";
 import {
   DefaultRUThreshold,
   LocalStorageUtility,
@@ -37,6 +47,7 @@ import { acquireMsalTokenForAccount } from "Utils/AuthorizationUtils";
 import { logConsoleError, logConsoleInfo } from "Utils/NotificationConsoleUtils";
 import * as PriorityBasedExecutionUtils from "Utils/PriorityBasedExecutionUtils";
 import { getReadOnlyKeys, listKeys } from "Utils/arm/generatedClients/cosmos/databaseAccounts";
+import { useClientWriteEnabled } from "hooks/useClientWriteEnabled";
 import { useQueryCopilot } from "hooks/useQueryCopilot";
 import { useSidePanel } from "hooks/useSidePanel";
 import React, { FunctionComponent, useState } from "react";
@@ -143,6 +154,17 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
       ? LocalStorageUtility.getEntryString(StorageKey.IsGraphAutoVizDisabled)
       : "false",
   );
+  const [selectedRegionalEndpoint, setSelectedRegionalEndpoint] = useState<string>(
+    hasState({
+      componentName: AppStateComponentNames.SelectedRegionalEndpoint,
+      globalAccountName: userContext.databaseAccount?.name,
+    })
+      ? (loadState({
+          componentName: AppStateComponentNames.SelectedRegionalEndpoint,
+          globalAccountName: userContext.databaseAccount?.name,
+        }) as string)
+      : undefined,
+  );
   const [retryAttempts, setRetryAttempts] = useState<number>(
     LocalStorageUtility.hasItem(StorageKey.RetryAttempts)
       ? LocalStorageUtility.getEntryNumber(StorageKey.RetryAttempts)
@@ -189,6 +211,44 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
     configContext.platform !== Platform.Fabric &&
     !isEmulator;
   const shouldShowPriorityLevelOption = PriorityBasedExecutionUtils.isFeatureEnabled() && !isEmulator;
+
+  const uniqueAccountRegions = new Set<string>();
+  const regionOptions: IDropdownOption[] = [];
+  regionOptions.push({
+    key: userContext?.databaseAccount?.properties?.documentEndpoint,
+    text: `Global (Default)`,
+    data: {
+      isGlobal: true,
+      writeEnabled: true,
+    },
+  });
+  userContext?.databaseAccount?.properties?.writeLocations?.forEach((loc) => {
+    if (!uniqueAccountRegions.has(loc.locationName)) {
+      uniqueAccountRegions.add(loc.locationName);
+      regionOptions.push({
+        key: loc.documentEndpoint,
+        text: `${loc.locationName} (Read/Write)`,
+        data: {
+          isGlobal: false,
+          writeEnabled: true,
+        },
+      });
+    }
+  });
+  userContext?.databaseAccount?.properties?.readLocations?.forEach((loc) => {
+    if (!uniqueAccountRegions.has(loc.locationName)) {
+      uniqueAccountRegions.add(loc.locationName);
+      regionOptions.push({
+        key: loc.documentEndpoint,
+        text: `${loc.locationName} (Read)`,
+        data: {
+          isGlobal: false,
+          writeEnabled: false,
+        },
+      });
+    }
+  });
+
   const shouldShowCopilotSampleDBOption =
     userContext.apiType === "SQL" &&
     useQueryCopilot.getState().copilotEnabled &&
@@ -274,6 +334,46 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
       }
     }
 
+    const storedRegionalEndpoint = loadState({
+      componentName: AppStateComponentNames.SelectedRegionalEndpoint,
+      globalAccountName: userContext.databaseAccount?.name,
+    }) as string;
+    const selectedRegionIsGlobal =
+      selectedRegionalEndpoint === userContext?.databaseAccount?.properties?.documentEndpoint;
+    if (selectedRegionIsGlobal && storedRegionalEndpoint) {
+      deleteState({
+        componentName: AppStateComponentNames.SelectedRegionalEndpoint,
+        globalAccountName: userContext.databaseAccount?.name,
+      });
+      updateUserContext({
+        selectedRegionalEndpoint: undefined,
+        writeEnabledInSelectedRegion: true,
+        refreshCosmosClient: true,
+      });
+      useClientWriteEnabled.setState({ clientWriteEnabled: true });
+    } else if (
+      selectedRegionalEndpoint &&
+      !selectedRegionIsGlobal &&
+      selectedRegionalEndpoint !== storedRegionalEndpoint
+    ) {
+      saveState(
+        {
+          componentName: AppStateComponentNames.SelectedRegionalEndpoint,
+          globalAccountName: userContext.databaseAccount?.name,
+        },
+        selectedRegionalEndpoint,
+      );
+      const validWriteEndpoint = userContext.databaseAccount?.properties?.writeLocations?.find(
+        (loc) => loc.documentEndpoint === selectedRegionalEndpoint,
+      );
+      updateUserContext({
+        selectedRegionalEndpoint: selectedRegionalEndpoint,
+        writeEnabledInSelectedRegion: !!validWriteEndpoint,
+        refreshCosmosClient: true,
+      });
+      useClientWriteEnabled.setState({ clientWriteEnabled: !!validWriteEndpoint });
+    }
+
     LocalStorageUtility.setEntryBoolean(StorageKey.RUThresholdEnabled, ruThresholdEnabled);
     LocalStorageUtility.setEntryBoolean(StorageKey.QueryTimeoutEnabled, queryTimeoutEnabled);
     LocalStorageUtility.setEntryNumber(StorageKey.RetryAttempts, retryAttempts);
@@ -423,6 +523,10 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
     setDefaultQueryResultsView(option.key as SplitterDirection);
   };
 
+  const handleOnSelectedRegionOptionChange = (ev: React.FormEvent<HTMLInputElement>, option: IDropdownOption): void => {
+    setSelectedRegionalEndpoint(option.key as string);
+  };
+
   const handleOnQueryRetryAttemptsSpinButtonChange = (ev: React.MouseEvent<HTMLElement>, newValue?: string): void => {
     const retryAttempts = Number(newValue);
     if (!isNaN(retryAttempts)) {
@@ -583,9 +687,39 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
               </AccordionPanel>
             </AccordionItem>
           )}
+          {userContext.apiType === "SQL" && userContext.authType === AuthType.AAD && !isFabric() && (
+            <AccordionItem value="3">
+              <AccordionHeader>
+                <div className={styles.header}>Region Selection</div>
+              </AccordionHeader>
+              <AccordionPanel>
+                <div className={styles.settingsSectionContainer}>
+                  <div className={styles.settingsSectionDescription}>
+                    Changes region the Cosmos Client uses to access account.
+                  </div>
+                  <div>
+                    <span className={styles.subHeader}>Select Region</span>
+                    <InfoTooltip className={styles.headerIcon}>
+                      Changes the account endpoint used to perform client operations.
+                    </InfoTooltip>
+                  </div>
+                  <Dropdown
+                    placeholder={
+                      selectedRegionalEndpoint
+                        ? regionOptions.find((option) => option.key === selectedRegionalEndpoint)?.text
+                        : regionOptions[0]?.text
+                    }
+                    onChange={handleOnSelectedRegionOptionChange}
+                    options={regionOptions}
+                    styles={{ root: { marginBottom: "10px" } }}
+                  />
+                </div>
+              </AccordionPanel>
+            </AccordionItem>
+          )}
           {userContext.apiType === "SQL" && !isEmulator && (
             <>
-              <AccordionItem value="3">
+              <AccordionItem value="4">
                 <AccordionHeader>
                   <div className={styles.header}>Query Timeout</div>
                 </AccordionHeader>
@@ -626,7 +760,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                 </AccordionPanel>
               </AccordionItem>
 
-              <AccordionItem value="4">
+              <AccordionItem value="5">
                 <AccordionHeader>
                   <div className={styles.header}>RU Limit</div>
                 </AccordionHeader>
@@ -660,7 +794,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                 </AccordionPanel>
               </AccordionItem>
 
-              <AccordionItem value="5">
+              <AccordionItem value="6">
                 <AccordionHeader>
                   <div className={styles.header}>Default Query Results View</div>
                 </AccordionHeader>
@@ -681,8 +815,9 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
               </AccordionItem>
             </>
           )}
+
           {showRetrySettings && (
-            <AccordionItem value="6">
+            <AccordionItem value="7">
               <AccordionHeader>
                 <div className={styles.header}>Retry Settings</div>
               </AccordionHeader>
@@ -755,7 +890,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             </AccordionItem>
           )}
           {!isEmulator && (
-            <AccordionItem value="7">
+            <AccordionItem value="8">
               <AccordionHeader>
                 <div className={styles.header}>Enable container pagination</div>
               </AccordionHeader>
@@ -779,7 +914,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             </AccordionItem>
           )}
           {shouldShowCrossPartitionOption && (
-            <AccordionItem value="8">
+            <AccordionItem value="9">
               <AccordionHeader>
                 <div className={styles.header}>Enable cross-partition query</div>
               </AccordionHeader>
@@ -804,7 +939,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             </AccordionItem>
           )}
           {shouldShowParallelismOption && (
-            <AccordionItem value="9">
+            <AccordionItem value="10">
               <AccordionHeader>
                 <div className={styles.header}>Max degree of parallelism</div>
               </AccordionHeader>
@@ -837,7 +972,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             </AccordionItem>
           )}
           {shouldShowPriorityLevelOption && (
-            <AccordionItem value="10">
+            <AccordionItem value="11">
               <AccordionHeader>
                 <div className={styles.header}>Priority Level</div>
               </AccordionHeader>
@@ -860,7 +995,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             </AccordionItem>
           )}
           {shouldShowGraphAutoVizOption && (
-            <AccordionItem value="11">
+            <AccordionItem value="12">
               <AccordionHeader>
                 <div className={styles.header}>Display Gremlin query results as:&nbsp;</div>
               </AccordionHeader>
@@ -881,7 +1016,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             </AccordionItem>
           )}
           {shouldShowCopilotSampleDBOption && (
-            <AccordionItem value="12">
+            <AccordionItem value="13">
               <AccordionHeader>
                 <div className={styles.header}>Enable sample database</div>
               </AccordionHeader>
@@ -916,7 +1051,15 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                   "Clear History",
                   undefined,
                   "Are you sure you want to proceed?",
-                  () => deleteAllStates(),
+                  () => {
+                    deleteAllStates();
+                    updateUserContext({
+                      selectedRegionalEndpoint: undefined,
+                      writeEnabledInSelectedRegion: true,
+                      refreshCosmosClient: true,
+                    });
+                    useClientWriteEnabled.setState({ clientWriteEnabled: true });
+                  },
                   "Cancel",
                   undefined,
                   <>
@@ -927,6 +1070,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
                       <li>Reset your customized tab layout, including the splitter positions</li>
                       <li>Erase your table column preferences, including any custom columns</li>
                       <li>Clear your filter history</li>
+                      <li>Reset region selection to global</li>
                     </ul>
                   </>,
                 );
diff --git a/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap b/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap
index e89ee345b..577b6de5b 100644
--- a/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap
+++ b/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap
@@ -107,7 +107,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="3"
+        value="4"
       >
         <AccordionHeader>
           <div
@@ -148,7 +148,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="4"
+        value="5"
       >
         <AccordionHeader>
           <div
@@ -219,7 +219,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="5"
+        value="6"
       >
         <AccordionHeader>
           <div
@@ -281,7 +281,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="6"
+        value="7"
       >
         <AccordionHeader>
           <div
@@ -423,7 +423,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="7"
+        value="8"
       >
         <AccordionHeader>
           <div
@@ -459,7 +459,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="8"
+        value="9"
       >
         <AccordionHeader>
           <div
@@ -495,7 +495,7 @@ exports[`Settings Pane should render Default properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="9"
+        value="10"
       >
         <AccordionHeader>
           <div
@@ -575,7 +575,7 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
       className="customAccordion ___1uf6361_0000000 fz7g6wx"
     >
       <AccordionItem
-        value="6"
+        value="7"
       >
         <AccordionHeader>
           <div
@@ -717,7 +717,7 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="7"
+        value="8"
       >
         <AccordionHeader>
           <div
@@ -753,7 +753,7 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
         </AccordionPanel>
       </AccordionItem>
       <AccordionItem
-        value="11"
+        value="12"
       >
         <AccordionHeader>
           <div
diff --git a/src/Explorer/Tabs/DocumentsTabV2/DocumentsTabV2.tsx b/src/Explorer/Tabs/DocumentsTabV2/DocumentsTabV2.tsx
index 5ef058f3f..65424d881 100644
--- a/src/Explorer/Tabs/DocumentsTabV2/DocumentsTabV2.tsx
+++ b/src/Explorer/Tabs/DocumentsTabV2/DocumentsTabV2.tsx
@@ -49,6 +49,7 @@ import { Action } from "Shared/Telemetry/TelemetryConstants";
 import { userContext } from "UserContext";
 import { logConsoleError, logConsoleInfo } from "Utils/NotificationConsoleUtils";
 import { Allotment } from "allotment";
+import { useClientWriteEnabled } from "hooks/useClientWriteEnabled";
 import React, { KeyboardEventHandler, useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { format } from "react-string-format";
 import DeleteDocumentIcon from "../../../../images/DeleteDocument.svg";
@@ -305,6 +306,7 @@ export type ButtonsDependencies = {
   selectedRows: Set<TableRowId>;
   editorState: ViewModels.DocumentExplorerState;
   isPreferredApiMongoDB: boolean;
+  clientWriteEnabled: boolean;
   onNewDocumentClick: UiKeyboardEvent;
   onSaveNewDocumentClick: UiKeyboardEvent;
   onRevertNewDocumentClick: UiKeyboardEvent;
@@ -328,6 +330,7 @@ const createUploadButton = (container: Explorer): CommandButtonComponentProps =>
     hasPopup: true,
     disabled:
       useSelectedNode.getState().isDatabaseNodeOrNoneSelected() ||
+      !useClientWriteEnabled.getState().clientWriteEnabled ||
       useSelectedNode.getState().isQueryCopilotCollectionSelected(),
   };
 };
@@ -346,6 +349,7 @@ export const getTabsButtons = ({
   selectedRows,
   editorState,
   isPreferredApiMongoDB,
+  clientWriteEnabled,
   onNewDocumentClick,
   onSaveNewDocumentClick,
   onRevertNewDocumentClick,
@@ -371,6 +375,7 @@ export const getTabsButtons = ({
       hasPopup: false,
       disabled:
         !getNewDocumentButtonState(editorState).enabled ||
+        !clientWriteEnabled ||
         useSelectedNode.getState().isQueryCopilotCollectionSelected(),
       id: NEW_DOCUMENT_BUTTON_ID,
     });
@@ -388,6 +393,7 @@ export const getTabsButtons = ({
       hasPopup: false,
       disabled:
         !getSaveNewDocumentButtonState(editorState).enabled ||
+        !clientWriteEnabled ||
         useSelectedNode.getState().isQueryCopilotCollectionSelected(),
       id: SAVE_BUTTON_ID,
     });
@@ -422,6 +428,7 @@ export const getTabsButtons = ({
       hasPopup: false,
       disabled:
         !getSaveExistingDocumentButtonState(editorState).enabled ||
+        !clientWriteEnabled ||
         useSelectedNode.getState().isQueryCopilotCollectionSelected(),
       id: UPDATE_BUTTON_ID,
     });
@@ -454,7 +461,7 @@ export const getTabsButtons = ({
       commandButtonLabel: label,
       ariaLabel: label,
       hasPopup: false,
-      disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected(),
+      disabled: useSelectedNode.getState().isQueryCopilotCollectionSelected() || !clientWriteEnabled,
       id: DELETE_BUTTON_ID,
     });
   }
@@ -628,6 +635,7 @@ export const DocumentsTabComponent: React.FunctionComponent<IDocumentsTabCompone
   );
 
   // State
+  const clientWriteEnabled = useClientWriteEnabled((state) => state.clientWriteEnabled);
   const [tabStateData, setTabStateData] = useState<TabDivider>(() =>
     readDocumentsTabSubComponentState<TabDivider>(SubComponentName.MainTabDivider, _collection, {
       leftPaneWidthPercent: 35,
@@ -865,6 +873,7 @@ export const DocumentsTabComponent: React.FunctionComponent<IDocumentsTabCompone
       selectedRows,
       editorState,
       isPreferredApiMongoDB,
+      clientWriteEnabled,
       onNewDocumentClick,
       onSaveNewDocumentClick,
       onRevertNewDocumentClick,
@@ -1284,6 +1293,7 @@ export const DocumentsTabComponent: React.FunctionComponent<IDocumentsTabCompone
         selectedRows,
         editorState,
         isPreferredApiMongoDB,
+        clientWriteEnabled,
         onNewDocumentClick,
         onSaveNewDocumentClick,
         onRevertNewDocumentClick,
@@ -1296,6 +1306,7 @@ export const DocumentsTabComponent: React.FunctionComponent<IDocumentsTabCompone
       selectedRows,
       editorState,
       isPreferredApiMongoDB,
+      clientWriteEnabled,
       onNewDocumentClick,
       onSaveNewDocumentClick,
       onRevertNewDocumentClick,
diff --git a/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx b/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx
index 821aebfe5..747ff3349 100644
--- a/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx
+++ b/src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx
@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable no-console */
 import { FeedOptions, QueryOperationOptions } from "@azure/cosmos";
+import { AuthType } from "AuthType";
 import QueryError, { createMonacoErrorLocationResolver, createMonacoMarkersForQueryErrors } from "Common/QueryError";
 import { SplitterDirection } from "Common/Splitter";
 import { Platform, configContext } from "ConfigContext";
@@ -21,6 +22,7 @@ import { QueryConstants } from "Shared/Constants";
 import { LocalStorageUtility, StorageKey, getRUThreshold, ruThresholdEnabled } from "Shared/StorageUtility";
 import { Action } from "Shared/Telemetry/TelemetryConstants";
 import { Allotment } from "allotment";
+import { useClientWriteEnabled } from "hooks/useClientWriteEnabled";
 import { QueryCopilotState, useQueryCopilot } from "hooks/useQueryCopilot";
 import { TabsState, useTabs } from "hooks/useTabs";
 import React, { Fragment, createRef } from "react";
@@ -484,7 +486,9 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
           commandButtonLabel: label,
           ariaLabel: label,
           hasPopup: false,
-          disabled: !this.saveQueryButton.enabled,
+          disabled:
+            !this.saveQueryButton.enabled ||
+            (!useClientWriteEnabled.getState().clientWriteEnabled && userContext.authType === AuthType.AAD),
         });
       }
 
@@ -696,6 +700,7 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
   }
 
   private unsubscribeCopilotSidebar: () => void;
+  private unsubscribeClientWriteEnabled: () => void;
 
   componentDidMount(): void {
     useTabs.subscribe((state: TabsState) => {
@@ -712,10 +717,17 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
 
     useCommandBar.getState().setContextButtons(this.getTabsButtons());
     document.addEventListener("keydown", this.handleCopilotKeyDown);
+
+    this.unsubscribeClientWriteEnabled = useClientWriteEnabled.subscribe(() => {
+      useCommandBar.getState().setContextButtons(this.getTabsButtons());
+    });
   }
 
   componentWillUnmount(): void {
     document.removeEventListener("keydown", this.handleCopilotKeyDown);
+    if (this.unsubscribeClientWriteEnabled) {
+      this.unsubscribeClientWriteEnabled();
+    }
   }
 
   private getEditorAndQueryResult(): JSX.Element {
diff --git a/src/Shared/AppStatePersistenceUtility.ts b/src/Shared/AppStatePersistenceUtility.ts
index 58a02c3b3..ed354ef06 100644
--- a/src/Shared/AppStatePersistenceUtility.ts
+++ b/src/Shared/AppStatePersistenceUtility.ts
@@ -10,6 +10,7 @@ export enum AppStateComponentNames {
   MostRecentActivity = "MostRecentActivity",
   QueryCopilot = "QueryCopilot",
   DataExplorerAction = "DataExplorerAction",
+  SelectedRegionalEndpoint = "SelectedRegionalEndpoint",
 }
 
 // Subcomponent for DataExplorerAction
diff --git a/src/UserContext.ts b/src/UserContext.ts
index 6569d5e18..8a880f498 100644
--- a/src/UserContext.ts
+++ b/src/UserContext.ts
@@ -111,6 +111,8 @@ export interface UserContext {
   readonly isReplica?: boolean;
   collectionCreationDefaults: CollectionCreationDefaults;
   sampleDataConnectionInfo?: ParsedResourceTokenConnectionString;
+  readonly selectedRegionalEndpoint?: string;
+  readonly writeEnabledInSelectedRegion?: boolean;
   readonly vcoreMongoConnectionParams?: VCoreMongoConnectionParams;
   readonly feedbackPolicies?: AdminFeedbackPolicySettings;
   readonly dataPlaneRbacEnabled?: boolean;
diff --git a/src/hooks/useClientWriteEnabled.ts b/src/hooks/useClientWriteEnabled.ts
new file mode 100644
index 000000000..7d9d29c2e
--- /dev/null
+++ b/src/hooks/useClientWriteEnabled.ts
@@ -0,0 +1,10 @@
+import create, { UseStore } from "zustand";
+interface ClientWriteEnabledState {
+  clientWriteEnabled: boolean;
+  setClientWriteEnabled: (writeEnabled: boolean) => void;
+}
+
+export const useClientWriteEnabled: UseStore<ClientWriteEnabledState> = create((set) => ({
+  clientWriteEnabled: true,
+  setClientWriteEnabled: (clientWriteEnabled: boolean) => set({ clientWriteEnabled }),
+}));
diff --git a/src/hooks/useKnockoutExplorer.ts b/src/hooks/useKnockoutExplorer.ts
index 2e29d1363..71818f572 100644
--- a/src/hooks/useKnockoutExplorer.ts
+++ b/src/hooks/useKnockoutExplorer.ts
@@ -17,12 +17,16 @@ import { useSelectedNode } from "Explorer/useSelectedNode";
 import { isFabricMirroredKey, scheduleRefreshFabricToken } from "Platform/Fabric/FabricUtil";
 import {
   AppStateComponentNames,
+  deleteState,
+  hasState,
+  loadState,
   OPEN_TABS_SUBCOMPONENT_NAME,
   readSubComponentState,
 } from "Shared/AppStatePersistenceUtility";
 import { LocalStorageUtility, StorageKey } from "Shared/StorageUtility";
 import { isDataplaneRbacSupported } from "Utils/APITypeUtils";
 import { logConsoleError } from "Utils/NotificationConsoleUtils";
+import { useClientWriteEnabled } from "hooks/useClientWriteEnabled";
 import { useQueryCopilot } from "hooks/useQueryCopilot";
 import { ReactTabKind, useTabs } from "hooks/useTabs";
 import { useEffect, useState } from "react";
@@ -345,6 +349,9 @@ async function configureHostedWithAAD(config: AAD): Promise<Explorer> {
       `Configuring Data Explorer for ${userContext.apiType} account ${account.name}`,
       "Explorer/configureHostedWithAAD",
     );
+    if (userContext.apiType === "SQL") {
+      checkAndUpdateSelectedRegionalEndpoint();
+    }
     if (!userContext.features.enableAadDataPlane) {
       Logger.logInfo(`AAD Feature flag is not enabled for account ${account.name}`, "Explorer/configureHostedWithAAD");
       if (isDataplaneRbacSupported(userContext.apiType)) {
@@ -706,6 +713,10 @@ async function configurePortal(): Promise<Explorer> {
 
           const { databaseAccount: account, subscriptionId, resourceGroup } = userContext;
 
+          if (userContext.apiType === "SQL") {
+            checkAndUpdateSelectedRegionalEndpoint();
+          }
+
           let dataPlaneRbacEnabled;
           if (isDataplaneRbacSupported(userContext.apiType)) {
             if (LocalStorageUtility.hasItem(StorageKey.DataPlaneRbacEnabled)) {
@@ -824,6 +835,41 @@ function updateAADEndpoints(portalEnv: PortalEnv) {
   }
 }
 
+function checkAndUpdateSelectedRegionalEndpoint() {
+  const accountName = userContext.databaseAccount?.name;
+  if (hasState({ componentName: AppStateComponentNames.SelectedRegionalEndpoint, globalAccountName: accountName })) {
+    const storedRegionalEndpoint = loadState({
+      componentName: AppStateComponentNames.SelectedRegionalEndpoint,
+      globalAccountName: accountName,
+    }) as string;
+    const validEndpoint = userContext.databaseAccount?.properties?.readLocations?.find(
+      (loc) => loc.documentEndpoint === storedRegionalEndpoint,
+    );
+    const validWriteEndpoint = userContext.databaseAccount?.properties?.writeLocations?.find(
+      (loc) => loc.documentEndpoint === storedRegionalEndpoint,
+    );
+    if (validEndpoint) {
+      updateUserContext({
+        selectedRegionalEndpoint: storedRegionalEndpoint,
+        writeEnabledInSelectedRegion: !!validWriteEndpoint,
+        refreshCosmosClient: true,
+      });
+      useClientWriteEnabled.setState({ clientWriteEnabled: !!validWriteEndpoint });
+    } else {
+      deleteState({ componentName: AppStateComponentNames.SelectedRegionalEndpoint, globalAccountName: accountName });
+      updateUserContext({
+        writeEnabledInSelectedRegion: true,
+      });
+      useClientWriteEnabled.setState({ clientWriteEnabled: true });
+    }
+  } else {
+    updateUserContext({
+      writeEnabledInSelectedRegion: true,
+    });
+    useClientWriteEnabled.setState({ clientWriteEnabled: true });
+  }
+}
+
 function updateContextsFromPortalMessage(inputs: DataExplorerInputsFrame) {
   if (
     configContext.PORTAL_BACKEND_ENDPOINT &&