diff --git a/apps/browser/src/autofill/clipboard/generate-password-to-clipboard-command.ts b/apps/browser/src/autofill/clipboard/generate-password-to-clipboard-command.ts
index f6290ce4d3..bd70aebb9d 100644
--- a/apps/browser/src/autofill/clipboard/generate-password-to-clipboard-command.ts
+++ b/apps/browser/src/autofill/clipboard/generate-password-to-clipboard-command.ts
@@ -17,8 +17,9 @@ export class GeneratePasswordToClipboardCommand {
     private autofillSettingsService: AutofillSettingsServiceAbstraction,
     private taskSchedulerService: BrowserTaskSchedulerService,
   ) {
-    this.taskSchedulerService.registerTaskHandler(ScheduledTaskNames.clearClipboardTimeout, () =>
-      ClearClipboard.run(),
+    void this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.clearClipboardTimeout,
+      () => ClearClipboard.run(),
     );
   }
 
diff --git a/apps/browser/src/background/main.background.ts b/apps/browser/src/background/main.background.ts
index f86048dc9f..e9941bd3d4 100644
--- a/apps/browser/src/background/main.background.ts
+++ b/apps/browser/src/background/main.background.ts
@@ -448,8 +448,9 @@ export default class MainBackground {
       this.logService,
       this.stateProvider,
     );
-    this.taskSchedulerService.registerTaskHandler(ScheduledTaskNames.scheduleNextSyncInterval, () =>
-      this.fullSync(),
+    void this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.scheduleNextSyncInterval,
+      () => this.fullSync(),
     );
     this.environmentService = new BrowserEnvironmentService(
       this.logService,
diff --git a/apps/browser/src/platform/services/browser-task-scheduler.service.spec.ts b/apps/browser/src/platform/services/browser-task-scheduler.service.spec.ts
index 12f6ded618..42509b6b00 100644
--- a/apps/browser/src/platform/services/browser-task-scheduler.service.spec.ts
+++ b/apps/browser/src/platform/services/browser-task-scheduler.service.spec.ts
@@ -1,10 +1,11 @@
 import { mock, MockProxy } from "jest-mock-extended";
-import { Observable } from "rxjs";
+import { BehaviorSubject, Observable } from "rxjs";
 
 import { TaskIdentifier } from "@bitwarden/common/platform/abstractions/task-scheduler.service";
 import { ScheduledTaskNames } from "@bitwarden/common/platform/enums/scheduled-task-name.enum";
 import { ConsoleLogService } from "@bitwarden/common/platform/services/console-log.service";
 import { GlobalState, StateProvider } from "@bitwarden/common/platform/state";
+import { UserId } from "@bitwarden/common/types/guid";
 
 import { ActiveAlarm } from "./abstractions/browser-task-scheduler.service";
 import { BrowserTaskSchedulerService } from "./browser-task-scheduler.service";
@@ -18,6 +19,7 @@ jest.mock("rxjs", () => ({
 
 // TODO CG - Likely need to rethink how to test this service a bit more carefully.
 describe("BrowserTaskSchedulerService", () => {
+  let activeUserIdMock$: BehaviorSubject<UserId>;
   let logService: MockProxy<ConsoleLogService>;
   let stateProvider: MockProxy<StateProvider>;
   let browserTaskSchedulerService: BrowserTaskSchedulerService;
@@ -41,8 +43,10 @@ describe("BrowserTaskSchedulerService", () => {
         createInfo: { delayInMinutes: 1, periodInMinutes: undefined },
       }),
     ];
+    activeUserIdMock$ = new BehaviorSubject("user-uuid" as UserId);
     logService = mock<ConsoleLogService>();
     stateProvider = mock<StateProvider>({
+      activeUserId$: activeUserIdMock$,
       getGlobal: jest.fn(() =>
         mock<GlobalState<any>>({
           state$: mock<Observable<any>>(),
@@ -108,7 +112,7 @@ describe("BrowserTaskSchedulerService", () => {
       const callback = jest.fn();
       const delayInMs = 999;
       jest.spyOn(globalThis, "setTimeout");
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
@@ -132,7 +136,7 @@ describe("BrowserTaskSchedulerService", () => {
         ScheduledTaskNames.loginStrategySessionTimeout,
       );
       const callback = jest.fn();
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
@@ -153,7 +157,7 @@ describe("BrowserTaskSchedulerService", () => {
     it("creates a timeout alarm", async () => {
       const callback = jest.fn();
       const delayInMinutes = 2;
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
@@ -179,7 +183,7 @@ describe("BrowserTaskSchedulerService", () => {
         }),
       );
       jest.spyOn(browserTaskSchedulerService, "createAlarm");
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
@@ -210,7 +214,7 @@ describe("BrowserTaskSchedulerService", () => {
       const callback = jest.fn();
       const intervalInMs = 999;
       jest.spyOn(globalThis, "setInterval");
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
@@ -235,7 +239,7 @@ describe("BrowserTaskSchedulerService", () => {
         ScheduledTaskNames.loginStrategySessionTimeout,
       );
       const callback = jest.fn();
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
@@ -257,7 +261,7 @@ describe("BrowserTaskSchedulerService", () => {
       const callback = jest.fn();
       const periodInMinutes = 2;
       const initialDelayInMs = 1000;
-      browserTaskSchedulerService.registerTaskHandler(
+      await browserTaskSchedulerService.registerTaskHandler(
         ScheduledTaskNames.loginStrategySessionTimeout,
         callback,
       );
diff --git a/apps/browser/src/platform/services/browser-task-scheduler.service.ts b/apps/browser/src/platform/services/browser-task-scheduler.service.ts
index c73cd2fe81..6152c8a78d 100644
--- a/apps/browser/src/platform/services/browser-task-scheduler.service.ts
+++ b/apps/browser/src/platform/services/browser-task-scheduler.service.ts
@@ -30,11 +30,8 @@ export class BrowserTaskSchedulerService
   readonly activeAlarms$: Observable<ActiveAlarm[]>;
   private recoveredAlarms: Set<string> = new Set();
 
-  constructor(
-    logService: LogService,
-    private stateProvider: StateProvider,
-  ) {
-    super(logService);
+  constructor(logService: LogService, stateProvider: StateProvider) {
+    super(logService, stateProvider);
 
     this.activeAlarmsState = this.stateProvider.getGlobal(ACTIVE_ALARMS);
     this.activeAlarms$ = this.activeAlarmsState.state$.pipe(
diff --git a/apps/desktop/src/app/services/services.module.ts b/apps/desktop/src/app/services/services.module.ts
index 189dbadfe0..0c8a4f3aff 100644
--- a/apps/desktop/src/app/services/services.module.ts
+++ b/apps/desktop/src/app/services/services.module.ts
@@ -255,7 +255,7 @@ const safeProviders: SafeProvider[] = [
   safeProvider({
     provide: TaskSchedulerService,
     useClass: DefaultTaskSchedulerService,
-    deps: [LogServiceAbstraction],
+    deps: [LogServiceAbstraction, StateProvider],
   }),
 ];
 
diff --git a/libs/angular/src/services/jslib-services.module.ts b/libs/angular/src/services/jslib-services.module.ts
index e6672d718b..47608c24d2 100644
--- a/libs/angular/src/services/jslib-services.module.ts
+++ b/libs/angular/src/services/jslib-services.module.ts
@@ -1130,7 +1130,7 @@ const safeProviders: SafeProvider[] = [
   safeProvider({
     provide: TaskSchedulerService,
     useClass: DefaultTaskSchedulerService,
-    deps: [LogService],
+    deps: [LogService, StateProvider],
   }),
   safeProvider({
     provide: ProviderApiServiceAbstraction,
diff --git a/libs/auth/src/common/services/login-strategies/login-strategy.service.ts b/libs/auth/src/common/services/login-strategies/login-strategy.service.ts
index 783641a982..b898ec9949 100644
--- a/libs/auth/src/common/services/login-strategies/login-strategy.service.ts
+++ b/libs/auth/src/common/services/login-strategies/login-strategy.service.ts
@@ -115,7 +115,7 @@ export class LoginStrategyService implements LoginStrategyServiceAbstraction {
     this.authRequestPushNotificationState = this.stateProvider.get(
       AUTH_REQUEST_PUSH_NOTIFICATION_KEY,
     );
-    this.taskSchedulerService.registerTaskHandler(
+    void this.taskSchedulerService.registerTaskHandler(
       ScheduledTaskNames.loginStrategySessionTimeout,
       () => this.clearCache(),
     );
diff --git a/libs/common/src/platform/abstractions/task-scheduler.service.ts b/libs/common/src/platform/abstractions/task-scheduler.service.ts
index 831da93161..1e68d190f1 100644
--- a/libs/common/src/platform/abstractions/task-scheduler.service.ts
+++ b/libs/common/src/platform/abstractions/task-scheduler.service.ts
@@ -1,4 +1,5 @@
 import { ScheduledTaskName } from "../enums/scheduled-task-name.enum";
+import { StateProvider } from "../state";
 
 import { LogService } from "./log.service";
 
@@ -11,11 +12,14 @@ export type TaskIdentifier = {
 export abstract class TaskSchedulerService {
   protected taskHandlers: Map<string, () => void>;
 
-  constructor(protected logService: LogService) {}
+  constructor(
+    protected logService: LogService,
+    protected stateProvider: StateProvider,
+  ) {}
 
-  abstract registerTaskHandler(taskName: ScheduledTaskName, handler: () => void): void;
+  abstract registerTaskHandler(taskName: ScheduledTaskName, handler: () => void): Promise<void>;
 
-  abstract unregisterTaskHandler(taskName: ScheduledTaskName): void;
+  abstract unregisterTaskHandler(taskName: ScheduledTaskName): Promise<void>;
 
   abstract setTimeout(
     taskName: ScheduledTaskName,
diff --git a/libs/common/src/platform/services/default-task-scheduler.service.spec.ts b/libs/common/src/platform/services/default-task-scheduler.service.spec.ts
index 9da947a7fd..acdd590875 100644
--- a/libs/common/src/platform/services/default-task-scheduler.service.spec.ts
+++ b/libs/common/src/platform/services/default-task-scheduler.service.spec.ts
@@ -1,14 +1,34 @@
+import { mock, MockProxy } from "jest-mock-extended";
+import { BehaviorSubject } from "rxjs";
+
+import { UserId } from "../../../../common/src/types/guid";
+import { LogService } from "../abstractions/log.service";
+import { ScheduledTaskNames } from "../enums/scheduled-task-name.enum";
+import { StateProvider } from "../state";
+
 import { DefaultTaskSchedulerService } from "./default-task-scheduler.service";
 
 describe("TaskSchedulerService", () => {
   const callback = jest.fn();
   const delayInMs = 1000;
   const intervalInMs = 1100;
+  let activeUserIdMock$: BehaviorSubject<UserId>;
+  let logService: MockProxy<LogService>;
+  let stateProvider: MockProxy<StateProvider>;
   let taskSchedulerService: DefaultTaskSchedulerService;
 
   beforeEach(() => {
     jest.useFakeTimers();
-    taskSchedulerService = new DefaultTaskSchedulerService();
+    activeUserIdMock$ = new BehaviorSubject<UserId>("user-uuid" as UserId);
+    logService = mock<LogService>();
+    stateProvider = mock<StateProvider>({
+      activeUserId$: activeUserIdMock$,
+    });
+    taskSchedulerService = new DefaultTaskSchedulerService(logService, stateProvider);
+    void taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      callback,
+    );
   });
 
   afterEach(() => {
@@ -17,7 +37,10 @@ describe("TaskSchedulerService", () => {
   });
 
   it("sets a timeout and returns the timeout id", async () => {
-    const timeoutId = await taskSchedulerService.setTimeout(callback, delayInMs);
+    const timeoutId = await taskSchedulerService.setTimeout(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      delayInMs,
+    );
 
     expect(timeoutId).toBeDefined();
     expect(callback).not.toHaveBeenCalled();
@@ -28,7 +51,10 @@ describe("TaskSchedulerService", () => {
   });
 
   it("sets an interval timeout and results the interval id", async () => {
-    const intervalId = await taskSchedulerService.setInterval(callback, intervalInMs);
+    const intervalId = await taskSchedulerService.setInterval(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      intervalInMs,
+    );
 
     expect(intervalId).toBeDefined();
     expect(callback).not.toHaveBeenCalled();
@@ -43,7 +69,10 @@ describe("TaskSchedulerService", () => {
   });
 
   it("clears scheduled tasks using the timeout id", async () => {
-    const timeoutId = await taskSchedulerService.setTimeout(callback, delayInMs);
+    const timeoutId = await taskSchedulerService.setTimeout(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      delayInMs,
+    );
 
     expect(timeoutId).toBeDefined();
     expect(callback).not.toHaveBeenCalled();
@@ -56,7 +85,10 @@ describe("TaskSchedulerService", () => {
   });
 
   it("clears scheduled tasks using the interval id", async () => {
-    const intervalId = await taskSchedulerService.setInterval(callback, intervalInMs);
+    const intervalId = await taskSchedulerService.setInterval(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      intervalInMs,
+    );
 
     expect(intervalId).toBeDefined();
     expect(callback).not.toHaveBeenCalled();
diff --git a/libs/common/src/platform/services/default-task-scheduler.service.ts b/libs/common/src/platform/services/default-task-scheduler.service.ts
index 139dccb1ca..75c5db84c7 100644
--- a/libs/common/src/platform/services/default-task-scheduler.service.ts
+++ b/libs/common/src/platform/services/default-task-scheduler.service.ts
@@ -1,26 +1,31 @@
+import { firstValueFrom } from "rxjs";
+
 import { LogService } from "../abstractions/log.service";
 import { TaskIdentifier, TaskSchedulerService } from "../abstractions/task-scheduler.service";
 import { ScheduledTaskName } from "../enums/scheduled-task-name.enum";
+import { StateProvider } from "../state";
 
 export class DefaultTaskSchedulerService extends TaskSchedulerService {
-  constructor(logService: LogService) {
-    super(logService);
+  constructor(logService: LogService, stateProvider: StateProvider) {
+    super(logService, stateProvider);
 
     this.taskHandlers = new Map();
   }
 
-  registerTaskHandler(taskName: ScheduledTaskName, handler: () => void): void {
-    const existingHandler = this.taskHandlers.get(taskName);
+  async registerTaskHandler(taskName: ScheduledTaskName, handler: () => void): Promise<void> {
+    const activeUserTaskName = await this.getActiveUserTaskName(taskName);
+    const existingHandler = this.taskHandlers.get(activeUserTaskName);
     if (existingHandler) {
       this.logService.warning(`Task handler for ${taskName} already exists. Overwriting.`);
-      this.unregisterTaskHandler(taskName);
+      await this.unregisterTaskHandler(taskName);
     }
 
-    this.taskHandlers.set(taskName, handler);
+    this.taskHandlers.set(activeUserTaskName, handler);
   }
 
-  unregisterTaskHandler(taskName: ScheduledTaskName): void {
-    this.taskHandlers.delete(taskName);
+  async unregisterTaskHandler(taskName: ScheduledTaskName): Promise<void> {
+    const activeUserTaskName = await this.getActiveUserTaskName(taskName);
+    this.taskHandlers.delete(activeUserTaskName);
   }
 
   protected triggerTask(taskName: ScheduledTaskName, _periodInMinutes?: number): void {
@@ -72,4 +77,13 @@ export class DefaultTaskSchedulerService extends TaskSchedulerService {
       globalThis.clearInterval(taskIdentifier.intervalId);
     }
   }
+
+  private async getActiveUserTaskName(taskName: ScheduledTaskName): Promise<string> {
+    const activeUserId = await firstValueFrom(this.stateProvider.activeUserId$);
+    if (!activeUserId) {
+      return taskName;
+    }
+
+    return `${activeUserId}_${taskName}`;
+  }
 }
diff --git a/libs/common/src/platform/services/system.service.ts b/libs/common/src/platform/services/system.service.ts
index 9362974dcd..555970da7f 100644
--- a/libs/common/src/platform/services/system.service.ts
+++ b/libs/common/src/platform/services/system.service.ts
@@ -29,7 +29,7 @@ export class SystemService implements SystemServiceAbstraction {
     private biometricStateService: BiometricStateService,
     private taskSchedulerService: TaskSchedulerService,
   ) {
-    this.taskSchedulerService.registerTaskHandler(
+    void this.taskSchedulerService.registerTaskHandler(
       ScheduledTaskNames.systemClearClipboardTimeout,
       () => this.clearPendingClipboard(),
     );
diff --git a/libs/common/src/services/event/event-upload.service.ts b/libs/common/src/services/event/event-upload.service.ts
index 447ba515a2..c340962861 100644
--- a/libs/common/src/services/event/event-upload.service.ts
+++ b/libs/common/src/services/event/event-upload.service.ts
@@ -23,8 +23,9 @@ export class EventUploadService implements EventUploadServiceAbstraction {
     private authService: AuthService,
     private taskSchedulerService: TaskSchedulerService,
   ) {
-    this.taskSchedulerService.registerTaskHandler(ScheduledTaskNames.eventUploadsInterval, () =>
-      this.uploadEvents(),
+    void this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.eventUploadsInterval,
+      () => this.uploadEvents(),
     );
   }
 
diff --git a/libs/common/src/services/notifications.service.ts b/libs/common/src/services/notifications.service.ts
index ccdc05b1de..f9d2933a51 100644
--- a/libs/common/src/services/notifications.service.ts
+++ b/libs/common/src/services/notifications.service.ts
@@ -46,7 +46,7 @@ export class NotificationsService implements NotificationsServiceAbstraction {
     private messagingService: MessagingService,
     private taskSchedulerService: TaskSchedulerService,
   ) {
-    this.taskSchedulerService.registerTaskHandler(
+    void this.taskSchedulerService.registerTaskHandler(
       ScheduledTaskNames.notificationsReconnectTimeout,
       () => this.reconnect(this.isSyncingOnReconnect),
     );
diff --git a/libs/common/src/vault/services/fido2/fido2-client.service.ts b/libs/common/src/vault/services/fido2/fido2-client.service.ts
index 71d2eaa869..cadb3a35cb 100644
--- a/libs/common/src/vault/services/fido2/fido2-client.service.ts
+++ b/libs/common/src/vault/services/fido2/fido2-client.service.ts
@@ -63,8 +63,9 @@ export class Fido2ClientService implements Fido2ClientServiceAbstraction {
     private taskSchedulerService: TaskSchedulerService,
     private logService?: LogService,
   ) {
-    this.taskSchedulerService.registerTaskHandler(ScheduledTaskNames.fido2ClientAbortTimeout, () =>
-      this.timeoutAbortController?.abort(),
+    void this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.fido2ClientAbortTimeout,
+      () => this.timeoutAbortController?.abort(),
     );
   }