diff --git a/libs/common/src/platform/enums/multiUserAllowList.enum.ts b/libs/common/src/platform/enums/multiUserAllowList.enum.ts
new file mode 100644
index 00000000000..66039762549
--- /dev/null
+++ b/libs/common/src/platform/enums/multiUserAllowList.enum.ts
@@ -0,0 +1,5 @@
+import { NotificationType } from "@bitwarden/common/enums";
+
+export const AllowedMultiUserNotificationTypes = new Set<NotificationType>([
+  NotificationType.AuthRequest,
+]);
diff --git a/libs/common/src/platform/server-notifications/internal/default-server-notifications.multiuser.spec.ts b/libs/common/src/platform/server-notifications/internal/default-server-notifications.multiuser.spec.ts
index a23de970247..a70623783dc 100644
--- a/libs/common/src/platform/server-notifications/internal/default-server-notifications.multiuser.spec.ts
+++ b/libs/common/src/platform/server-notifications/internal/default-server-notifications.multiuser.spec.ts
@@ -3,9 +3,8 @@ import { BehaviorSubject, bufferCount, firstValueFrom, Subject, ObservedValueOf
 
 // eslint-disable-next-line no-restricted-imports
 import { LogoutReason } from "@bitwarden/auth/common";
+import { AuthRequestAnsweringServiceAbstraction } from "@bitwarden/common/auth/abstractions/auth-request-answering/auth-request-answering.service.abstraction";
 import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
-// TODO: When PM-14943 goes in, uncomment
-// import { AuthRequestAnsweringServiceAbstraction } from "@bitwarden/common/auth/abstractions/auth-request-answering/auth-request-answering.service.abstraction";
 
 import { AccountService } from "../../../auth/abstractions/account.service";
 import { AuthService } from "../../../auth/abstractions/auth.service";
@@ -33,8 +32,7 @@ describe("DefaultServerNotificationsService (multi-user)", () => {
   let signalRNotificationConnectionService: MockProxy<SignalRConnectionService>;
   let authService: MockProxy<AuthService>;
   let webPushNotificationConnectionService: MockProxy<WebPushConnectionService>;
-  // TODO: When PM-14943 goes in, uncomment
-  // let authRequestAnsweringService: MockProxy<AuthRequestAnsweringServiceAbstraction>;
+  let authRequestAnsweringService: MockProxy<AuthRequestAnsweringServiceAbstraction>;
   let configService: MockProxy<ConfigService>;
 
   let activeUserAccount$: BehaviorSubject<ObservedValueOf<AccountService["activeAccount$"]>>;
@@ -75,6 +73,10 @@ describe("DefaultServerNotificationsService (multi-user)", () => {
       getNotificationsUrl: () => "http://test.example.com",
     } as Environment);
     environmentConfigurationService.environment$ = environmentConfiguration$ as any;
+    // Ensure user-scoped environment lookups return the same test environment stream
+    environmentConfigurationService.getEnvironment$.mockImplementation(
+      (_userId: UserId) => environmentConfiguration$.asObservable() as any,
+    );
 
     userLogoutCallback = jest.fn<Promise<void>, [LogoutReason, UserId]>();
 
@@ -123,8 +125,7 @@ describe("DefaultServerNotificationsService (multi-user)", () => {
       return webPushSupportStatusByUser.get(userId)!.asObservable();
     });
 
-    // TODO: When PM-14943 goes in, uncomment
-    // authRequestAnsweringService = mock<AuthRequestAnsweringServiceAbstraction>();
+    authRequestAnsweringService = mock<AuthRequestAnsweringServiceAbstraction>();
 
     configService = mock<ConfigService>();
     configService.getFeatureFlag$.mockImplementation((flag: FeatureFlag) => {
@@ -145,7 +146,7 @@ describe("DefaultServerNotificationsService (multi-user)", () => {
       signalRNotificationConnectionService,
       authService,
       webPushNotificationConnectionService,
-      // authRequestAnsweringService,
+      authRequestAnsweringService,
       configService,
     );
   });
diff --git a/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.spec.ts b/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.spec.ts
index faf4066c63a..a7b608f5b56 100644
--- a/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.spec.ts
+++ b/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.spec.ts
@@ -1,11 +1,10 @@
 import { mock, MockProxy } from "jest-mock-extended";
-import { BehaviorSubject, bufferCount, firstValueFrom, ObservedValueOf, Subject } from "rxjs";
+import { BehaviorSubject, bufferCount, firstValueFrom, ObservedValueOf, of, Subject } from "rxjs";
 
 // This import has been flagged as unallowed for this class. It may be involved in a circular dependency loop.
 // eslint-disable-next-line no-restricted-imports
 import { LogoutReason } from "@bitwarden/auth/common";
 import { AuthRequestAnsweringServiceAbstraction } from "@bitwarden/common/auth/abstractions/auth-request-answering/auth-request-answering.service.abstraction";
-import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
 
 import { awaitAsync } from "../../../../spec";
 import { Matrix } from "../../../../spec/matrix";
@@ -74,13 +73,7 @@ describe("NotificationsService", () => {
     configService = mock<ConfigService>();
 
     // For these tests, use the active-user implementation (feature flag disabled)
-    configService.getFeatureFlag$.mockImplementation((flag: FeatureFlag) => {
-      const flagValueByFlag: Partial<Record<FeatureFlag, boolean>> = {
-        [FeatureFlag.InactiveUserServerNotification]: false,
-        [FeatureFlag.PushNotificationsWhenLocked]: true,
-      };
-      return new BehaviorSubject(flagValueByFlag[flag] ?? false) as any;
-    });
+    configService.getFeatureFlag$.mockImplementation(() => of(true));
 
     activeAccount = new BehaviorSubject<ObservedValueOf<AccountService["activeAccount$"]>>(null);
     accountService.activeAccount$ = activeAccount.asObservable();
@@ -93,6 +86,10 @@ describe("NotificationsService", () => {
     } as Environment);
 
     environmentService.environment$ = environment;
+    // Ensure user-scoped environment lookups return the same test environment stream
+    environmentService.getEnvironment$.mockImplementation(
+      (_userId: UserId) => environment.asObservable() as any,
+    );
 
     authStatusGetter = Matrix.autoMockMethod(
       authService.authStatusFor$,
diff --git a/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.ts b/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.ts
index 94b48d7bb8e..f6343bfcdb9 100644
--- a/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.ts
+++ b/libs/common/src/platform/server-notifications/internal/default-server-notifications.service.ts
@@ -18,6 +18,7 @@ import {
 import { LogoutReason } from "@bitwarden/auth/common";
 import { AuthRequestAnsweringServiceAbstraction } from "@bitwarden/common/auth/abstractions/auth-request-answering/auth-request-answering.service.abstraction";
 import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
+import { AllowedMultiUserNotificationTypes } from "@bitwarden/common/platform/enums/multiUserAllowList.enum";
 
 import { AccountService } from "../../../auth/abstractions/account.service";
 import { AuthService } from "../../../auth/abstractions/auth.service";
@@ -66,10 +67,12 @@ export class DefaultServerNotificationsService implements ServerNotificationsSer
     this.notifications$ = this.configService
       .getFeatureFlag$(FeatureFlag.InactiveUserServerNotification)
       .pipe(
+        distinctUntilChanged(),
         switchMap((inactiveUserServerNotificationEnabled) => {
           if (inactiveUserServerNotificationEnabled) {
             return this.accountService.accounts$.pipe(
               map((accounts) => Object.keys(accounts) as UserId[]),
+              distinctUntilChanged(),
               switchMap((userIds) => {
                 if (userIds.length === 0) {
                   return EMPTY;
@@ -110,7 +113,7 @@ export class DefaultServerNotificationsService implements ServerNotificationsSer
    * @param userId The user id of the user to get the push server notifications for.
    */
   private userNotifications$(userId: UserId) {
-    return this.environmentService.environment$.pipe(
+    return this.environmentService.getEnvironment$(userId).pipe(
       map((env) => env.getNotificationsUrl()),
       distinctUntilChanged(),
       switchMap((notificationsUrl) => {
@@ -202,15 +205,12 @@ export class DefaultServerNotificationsService implements ServerNotificationsSer
         this.configService.getFeatureFlag$(FeatureFlag.InactiveUserServerNotification),
       )
     ) {
-      // Allow-list of notification types that are safe to process for non-active users
-      const multiUserNotificationTypes = new Set<NotificationType>([NotificationType.AuthRequest]);
-
       const activeAccountId = await firstValueFrom(
         this.accountService.activeAccount$.pipe(map((a) => a?.id)),
       );
 
       const isActiveUser = activeAccountId === userId;
-      if (!isActiveUser && !multiUserNotificationTypes.has(notification.type)) {
+      if (!isActiveUser && !AllowedMultiUserNotificationTypes.has(notification.type)) {
         return;
       }
     }