diff --git a/apps/web/src/services/iam/components/UserGroupDeleteDoubleCheckModal.vue b/apps/web/src/services/iam/components/UserGroupDeleteDoubleCheckModal.vue
index 5c69a0951b..6c2b39456e 100644
--- a/apps/web/src/services/iam/components/UserGroupDeleteDoubleCheckModal.vue
+++ b/apps/web/src/services/iam/components/UserGroupDeleteDoubleCheckModal.vue
@@ -90,9 +90,9 @@ const fetchDeleteUserGroup = async (params: UserGroupDeleteUserGroupParameters)
 watch([() => storeState.serviceList, () => storeState.selectedUserGroupList], ([nv_service_list, nv_user_group_list]) => {
     if (nv_service_list) {
         const list: any = [];
-        Object.values(nv_service_list).forEach((service) => {
-            if (service && service.data && service.data.members) {
-                nv_user_group_list.forEach((userGroup) => {
+        nv_user_group_list.forEach((userGroup) => {
+            Object.values(nv_service_list).forEach((service) => {
+                if (service && service.data && service.data.members) {
                     if (Object.keys(service.data.members).includes('USER_GROUP')) {
                         if (service.data.members.USER_GROUP.includes(userGroup.user_group_id)) {
                             list.push({
@@ -107,8 +107,12 @@ watch([() => storeState.serviceList, () => storeState.selectedUserGroupList], ([
                             description: userGroup.description,
                         });
                     }
-                });
-            }
+                }
+            });
+            list.push({
+                user_group: userGroup.name,
+                description: userGroup.description,
+            });
         });
         if (list.length > 0) {
             tableState.filteredItems = Object.values(
diff --git a/apps/web/src/services/iam/components/UserManagementStatusModal.vue b/apps/web/src/services/iam/components/UserManagementStatusModal.vue
index 7f16e69bcb..7709d3845c 100644
--- a/apps/web/src/services/iam/components/UserManagementStatusModal.vue
+++ b/apps/web/src/services/iam/components/UserManagementStatusModal.vue
@@ -165,9 +165,9 @@ const disableUser = async (userId?: string): Promise<boolean> => {
 watch([() => storeState.serviceList, () => storeState.selectedUsers], ([nv_service_list, nv_selected_users]) => {
     if (nv_service_list) {
         const list: UserListItemType[] | (UserListItemType & { service: string; })[] = [];
-        Object.values(nv_service_list).forEach((service) => {
-            if (service && service.data && service.data.members) {
-                nv_selected_users.forEach((selectedUser) => {
+        nv_selected_users.forEach((selectedUser) => {
+            Object.values(nv_service_list).forEach((service) => {
+                if (service && service.data && service.data.members) {
                     if (Object.keys(service.data.members).includes('USER')) {
                         if (selectedUser.user_id && service.data.members.USER.includes(selectedUser.user_id)) {
                             list.push({
@@ -178,8 +178,9 @@ watch([() => storeState.serviceList, () => storeState.selectedUsers], ([nv_servi
                     } else {
                         list.push(selectedUser);
                     }
-                });
-            }
+                }
+            });
+            list.push(selectedUser);
         });
         if (list.length > 0) {
             state.filteredUniqueItems = Object.values(list.reduce((acc, cur) => {
diff --git a/apps/web/src/store/reference/escalation-policy-reference-store.ts b/apps/web/src/store/reference/escalation-policy-reference-store.ts
index dedbb4d28b..51c54cc316 100644
--- a/apps/web/src/store/reference/escalation-policy-reference-store.ts
+++ b/apps/web/src/store/reference/escalation-policy-reference-store.ts
@@ -6,14 +6,19 @@ import { defineStore } from 'pinia';
 import { SpaceConnector } from '@cloudforet/core-lib/space-connector';
 
 import type { ListResponse } from '@/schema/_common/api-verbs/list';
-import type { EscalationPolicyListParameters } from '@/schema/monitoring/escalation-policy/api-verbs/list';
-import type { EscalationPolicyModel } from '@/schema/monitoring/escalation-policy/model';
+import type { EscalationPolicyListParameters } from '@/schema/alert-manager/escalation-policy/api-verbs/list';
+import type { EscalationPolicyModel } from '@/schema/alert-manager/escalation-policy/model';
+import type { EscalationPolicyListParameters as EscalationPolicyListParametersV1 } from '@/schema/monitoring/escalation-policy/api-verbs/list';
+import type { EscalationPolicyModel as EscalationPolicyModelV1 } from '@/schema/monitoring/escalation-policy/model';
 
+import { useDomainStore } from '@/store/domain/domain-store';
 import type {
     ReferenceLoadOptions, ReferenceItem, ReferenceMap, ReferenceTypeInfo,
 } from '@/store/reference/type';
 import { useUserStore } from '@/store/user/user-store';
 
+import config from '@/lib/config';
+
 import ErrorHandler from '@/common/composables/error/errorHandler';
 
 
@@ -25,6 +30,7 @@ let lastLoadedTime = 0;
 
 export const useEscalationPolicyReferenceStore = defineStore('reference-escalation-policy', () => {
     const userStore = useUserStore();
+    const domainStore = useDomainStore();
     const state = reactive({
         items: null as EscalationPolicyReferenceMap | null,
     });
@@ -54,13 +60,22 @@ export const useEscalationPolicyReferenceStore = defineStore('reference-escalati
 
         const referenceMap: EscalationPolicyReferenceMap = {};
         try {
-            const response = await SpaceConnector.clientV2.monitoring.escalationPolicy.list<EscalationPolicyListParameters, ListResponse<EscalationPolicyModel>>({
-                query: {
-                    only: ['escalation_policy_id', 'name', 'resource_group', 'project_id'],
-                },
-            }, { timeout: 3000 });
-
-            response.results?.forEach((escalationPolicyInfo: EscalationPolicyModel): void => {
+            const isAlertManagerVersionV2 = (config.get('ADVANCED_SERVICE')?.alert_manager_v2 ?? []).includes(domainStore.state.domainId);
+            const fetcher = isAlertManagerVersionV2
+                ? SpaceConnector.clientV2.alertManager.escalationPolicy.list<EscalationPolicyListParameters, ListResponse<EscalationPolicyModel>>({
+                    query: {
+                        only: ['escalation_policy_id', 'name', 'service_id'],
+                    },
+                })
+                : SpaceConnector.clientV2.monitoring.escalationPolicy.list<EscalationPolicyListParametersV1, ListResponse<EscalationPolicyModelV1>>({
+                    query: {
+                        only: ['escalation_policy_id', 'name', 'resource_group', 'project_id'],
+                    },
+                });
+
+            const response = await fetcher;
+
+            response.results?.forEach((escalationPolicyInfo: EscalationPolicyModel|EscalationPolicyModelV1): void => {
                 referenceMap[escalationPolicyInfo.escalation_policy_id] = {
                     key: escalationPolicyInfo.escalation_policy_id,
                     label: escalationPolicyInfo.name,