diff --git a/src/vs/platform/product/common/productService.ts b/src/vs/platform/product/common/productService.ts
index d1cb00a6d63..1690ac531cf 100644
--- a/src/vs/platform/product/common/productService.ts
+++ b/src/vs/platform/product/common/productService.ts
@@ -24,8 +24,9 @@ export interface IBuiltInExtension {
 
 export type ConfigurationSyncStore = {
 	url: string,
-	insidersUrl?: string,
-	stableUrl?: string,
+	insidersUrl: string,
+	stableUrl: string,
+	canSwitch: boolean,
 	authenticationProviders: IStringDictionary<{ scopes: string[] }>
 };
 
diff --git a/src/vs/platform/userDataSync/common/userDataSync.ts b/src/vs/platform/userDataSync/common/userDataSync.ts
index 260a527e725..642c49800e5 100644
--- a/src/vs/platform/userDataSync/common/userDataSync.ts
+++ b/src/vs/platform/userDataSync/common/userDataSync.ts
@@ -120,8 +120,9 @@ export type IAuthenticationProvider = { id: string, scopes: string[] };
 export interface IUserDataSyncStore {
 	readonly url: URI;
 	readonly defaultUrl: URI;
-	readonly stableUrl: URI | undefined;
-	readonly insidersUrl: URI | undefined;
+	readonly stableUrl: URI;
+	readonly insidersUrl: URI;
+	readonly canSwitch: boolean;
 	readonly authenticationProviders: IAuthenticationProvider[];
 }
 
diff --git a/src/vs/platform/userDataSync/common/userDataSyncStoreService.ts b/src/vs/platform/userDataSync/common/userDataSyncStoreService.ts
index a2cb34789eb..e797ce95f67 100644
--- a/src/vs/platform/userDataSync/common/userDataSyncStoreService.ts
+++ b/src/vs/platform/userDataSync/common/userDataSyncStoreService.ts
@@ -57,15 +57,17 @@ export abstract class AbstractUserDataSyncStoreManagementService extends Disposa
 			const syncStore = value as ConfigurationSyncStore;
 			const type: UserDataSyncStoreType | undefined = this.storageService.get(SYNC_SERVICE_URL_TYPE, StorageScope.GLOBAL) as UserDataSyncStoreType | undefined;
 			const url = configuredStore?.url
-				|| (type === 'insiders' ? syncStore.insidersUrl : type === 'stable' ? syncStore.stableUrl : undefined)
-				|| syncStore.url;
+				|| type === 'insiders' ? syncStore.insidersUrl
+				: type === 'stable' ? syncStore.stableUrl
+					: syncStore.url;
 			return {
 				url: URI.parse(url),
 				type,
 				defaultType: syncStore.url === syncStore.insidersUrl ? 'insiders' : syncStore.url === syncStore.stableUrl ? 'stable' : undefined,
 				defaultUrl: URI.parse(syncStore.url),
-				stableUrl: syncStore.stableUrl ? URI.parse(syncStore.stableUrl) : undefined,
-				insidersUrl: syncStore.insidersUrl ? URI.parse(syncStore.insidersUrl) : undefined,
+				stableUrl: URI.parse(syncStore.stableUrl),
+				insidersUrl: URI.parse(syncStore.insidersUrl),
+				canSwitch: !!syncStore.canSwitch,
 				authenticationProviders: Object.keys(syncStore.authenticationProviders).reduce<IAuthenticationProvider[]>((result, id) => {
 					result.push({ id, scopes: syncStore!.authenticationProviders[id].scopes });
 					return result;
@@ -110,8 +112,8 @@ export class UserDataSyncStoreManagementService extends AbstractUserDataSyncStor
 	}
 
 	async switch(type: UserDataSyncStoreType): Promise<void> {
-		if (type !== this.userDataSyncStore?.type) {
-			if (type === this.userDataSyncStore?.defaultType) {
+		if (this.userDataSyncStore?.canSwitch && type !== this.userDataSyncStore.type) {
+			if (type === this.userDataSyncStore.defaultType) {
 				this.storageService.remove(SYNC_SERVICE_URL_TYPE, StorageScope.GLOBAL);
 			} else {
 				this.storageService.store(SYNC_SERVICE_URL_TYPE, type, StorageScope.GLOBAL);
diff --git a/src/vs/platform/userDataSync/test/common/userDataSyncClient.ts b/src/vs/platform/userDataSync/test/common/userDataSyncClient.ts
index aa427813097..a329a554820 100644
--- a/src/vs/platform/userDataSync/test/common/userDataSyncClient.ts
+++ b/src/vs/platform/userDataSync/test/common/userDataSyncClient.ts
@@ -69,6 +69,9 @@ export class UserDataSyncClient extends Disposable {
 			_serviceBrand: undefined, ...product, ...{
 				'configurationSync.store': {
 					url: this.testServer.url,
+					stableUrl: this.testServer.url,
+					insidersUrl: this.testServer.url,
+					canSwitch: false,
 					authenticationProviders: { 'test': { scopes: [] } }
 				}
 			}
diff --git a/src/vs/platform/userDataSync/test/common/userDataSyncStoreService.test.ts b/src/vs/platform/userDataSync/test/common/userDataSyncStoreService.test.ts
index 01cea2937df..3277d22bedf 100644
--- a/src/vs/platform/userDataSync/test/common/userDataSyncStoreService.test.ts
+++ b/src/vs/platform/userDataSync/test/common/userDataSyncStoreService.test.ts
@@ -39,6 +39,9 @@ suite('UserDataSyncStoreManagementService', () => {
 
 		const configuredStore: ConfigurationSyncStore = {
 			url: 'http://configureHost:3000',
+			stableUrl: 'http://configureHost:3000',
+			insidersUrl: 'http://configureHost:3000',
+			canSwitch: false,
 			authenticationProviders: { 'configuredAuthProvider': { scopes: [] } }
 		};
 		await client.instantiationService.get(IFileService).writeFile(client.instantiationService.get(IEnvironmentService).settingsResource, VSBuffer.fromString(JSON.stringify({
@@ -49,8 +52,9 @@ suite('UserDataSyncStoreManagementService', () => {
 		const expected: IUserDataSyncStore = {
 			url: URI.parse('http://configureHost:3000'),
 			defaultUrl: URI.parse('http://configureHost:3000'),
-			stableUrl: undefined,
-			insidersUrl: undefined,
+			stableUrl: URI.parse('http://configureHost:3000'),
+			insidersUrl: URI.parse('http://configureHost:3000'),
+			canSwitch: false,
 			authenticationProviders: [{ id: 'configuredAuthProvider', scopes: [] }]
 		};
 
diff --git a/src/vs/workbench/contrib/userDataSync/browser/userDataSync.ts b/src/vs/workbench/contrib/userDataSync/browser/userDataSync.ts
index cf6a3bf0793..ec3c96b7a56 100644
--- a/src/vs/workbench/contrib/userDataSync/browser/userDataSync.ts
+++ b/src/vs/workbench/contrib/userDataSync/browser/userDataSync.ts
@@ -676,7 +676,7 @@ export class UserDataSyncWorkbenchContribution extends Disposable implements IWo
 
 	private async switchSyncService(): Promise<void> {
 		const userDataSyncStore = this.userDataSyncStoreManagementService.userDataSyncStore;
-		if (userDataSyncStore?.insidersUrl && userDataSyncStore?.stableUrl && ![userDataSyncStore.insidersUrl, userDataSyncStore.stableUrl].includes(userDataSyncStore.url)) {
+		if (userDataSyncStore?.canSwitch && ![userDataSyncStore.insidersUrl, userDataSyncStore.stableUrl].includes(userDataSyncStore.url)) {
 			return new Promise<void>((c, e) => {
 				const disposables: DisposableStore = new DisposableStore();
 				const quickPick = disposables.add(this.quickInputService.createQuickPick<{ id: UserDataSyncStoreType, label: string, description?: string }>());
@@ -1120,7 +1120,7 @@ export class UserDataSyncWorkbenchContribution extends Disposable implements IWo
 	private registerSwitchSyncServiceAction(): void {
 		const that = this;
 		const userDataSyncStore = this.userDataSyncStoreManagementService.userDataSyncStore;
-		if (userDataSyncStore?.insidersUrl && userDataSyncStore?.stableUrl && ![userDataSyncStore.insidersUrl, userDataSyncStore.stableUrl].includes(userDataSyncStore.url)) {
+		if (userDataSyncStore?.canSwitch && ![userDataSyncStore.insidersUrl, userDataSyncStore.stableUrl].includes(userDataSyncStore.url)) {
 			this._register(registerAction2(class ShowSyncSettingsAction extends Action2 {
 				constructor() {
 					super({
diff --git a/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts b/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts
index 0fbc855eeb5..1f4df831651 100644
--- a/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts
+++ b/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts
@@ -446,8 +446,7 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 
 	async switchSyncService(type: UserDataSyncStoreType): Promise<void> {
 		if (!this.userDataSyncStoreManagementService.userDataSyncStore
-			|| !this.userDataSyncStoreManagementService.userDataSyncStore.insidersUrl
-			|| !this.userDataSyncStoreManagementService.userDataSyncStore.stableUrl) {
+			|| !this.userDataSyncStoreManagementService.userDataSyncStore.canSwitch) {
 			return;
 		}
 		await this.userDataSyncStoreManagementService.switch(type);
diff --git a/src/vs/workbench/services/userDataSync/electron-browser/userDataSyncStoreManagementService.ts b/src/vs/workbench/services/userDataSync/electron-browser/userDataSyncStoreManagementService.ts
index d408711a038..d5df2210df5 100644
--- a/src/vs/workbench/services/userDataSync/electron-browser/userDataSyncStoreManagementService.ts
+++ b/src/vs/workbench/services/userDataSync/electron-browser/userDataSyncStoreManagementService.ts
@@ -42,6 +42,7 @@ class UserDataSyncStoreManagementService extends AbstractUserDataSyncStoreManage
 			defaultUrl: URI.revive(userDataSyncStore.defaultUrl),
 			insidersUrl: URI.revive(userDataSyncStore.insidersUrl),
 			stableUrl: URI.revive(userDataSyncStore.stableUrl),
+			canSwitch: userDataSyncStore.canSwitch,
 			authenticationProviders: userDataSyncStore.authenticationProviders,
 		};
 	}