diff --git a/backend/app/version.py b/backend/app/version.py
index 04c985e..c745aee 100644
--- a/backend/app/version.py
+++ b/backend/app/version.py
@@ -1,5 +1,5 @@
 """Единый источник версии SAC (API, health, логи, OpenAPI)."""
 
 APP_NAME = "Security Alert Center"
-APP_VERSION = "0.12.0"
+APP_VERSION = "0.12.1"
 APP_VERSION_LABEL = f"{APP_NAME} v.{APP_VERSION}"
diff --git a/backend/tests/test_health.py b/backend/tests/test_health.py
index 7f78e9a..e4f71ec 100644
--- a/backend/tests/test_health.py
+++ b/backend/tests/test_health.py
@@ -4,6 +4,6 @@ from app.version import APP_NAME, APP_VERSION, APP_VERSION_LABEL
 
 
 def test_version_constants():
-    assert APP_VERSION == "0.12.0"
+    assert APP_VERSION == "0.12.1"
     assert APP_NAME == "Security Alert Center"
-    assert APP_VERSION_LABEL == "Security Alert Center v.0.12.0"
+    assert APP_VERSION_LABEL == "Security Alert Center v.0.12.1"
diff --git a/frontend/src/version.ts b/frontend/src/version.ts
index 10d5e6b..fa6620b 100644
--- a/frontend/src/version.ts
+++ b/frontend/src/version.ts
@@ -1,4 +1,4 @@
 /** Fallback до загрузки /health; при релизе держите в sync с backend/app/version.py */
 export const APP_NAME = "Security Alert Center";
-export const APP_VERSION = "0.12.0";
+export const APP_VERSION = "0.12.1";
 export const APP_VERSION_LABEL = `${APP_NAME} v.${APP_VERSION}`;
diff --git a/frontend/src/views/HostDetailView.vue b/frontend/src/views/HostDetailView.vue
index 0acf939..626672f 100644
--- a/frontend/src/views/HostDetailView.vue
+++ b/frontend/src/views/HostDetailView.vue
@@ -72,7 +72,7 @@
         >
           {{ testingWinRm ? "Проверка…" : "Проверить WinRM (admin)" }}
         </button>
-        <p v-if="winRmTestMessage" :class="winRmTestOk ? 'success' : 'error'">{{ winRmTestMessage }}</p>
+        <p v-if="showWinRmTestFeedback && winRmTestMessage" :class="winRmTestOk ? 'success' : 'error'">{{ winRmTestMessage }}</p>
         <div class="host-actions-row">
           <button
             type="button"
@@ -297,7 +297,7 @@ import {
 } from "../api";
 import { emitHostPatch } from "../utils/hostPatchBus";
 
-const SSH_TEST_FEEDBACK_MS = 60_000;
+const HOST_ACTION_FEEDBACK_MS = 30_000;
 
 const props = defineProps<{ id: string }>();
 const route = useRoute();
@@ -313,6 +313,7 @@ const eventsPageSize = 50;
 const testingWinRm = ref(false);
 const winRmTestMessage = ref("");
 const winRmTestOk = ref(false);
+const showWinRmTestFeedback = ref(false);
 const testingSsh = ref(false);
 const updatingAgent = ref(false);
 const showSshTestFeedback = ref(false);
@@ -334,6 +335,7 @@ const configForm = reactive({
   getInventory: true,
 });
 let sshTestHideTimer: ReturnType<typeof setTimeout> | null = null;
+let winRmTestHideTimer: ReturnType<typeof setTimeout> | null = null;
 let sshProbeSeq = 0;
 let refreshingLive = false;
 
@@ -480,6 +482,13 @@ function applySshAdminStatus(result: { ok: boolean; ssh_admin_ok?: boolean | nul
   };
 }
 
+function clearWinRmTestFeedbackTimer() {
+  if (winRmTestHideTimer != null) {
+    clearTimeout(winRmTestHideTimer);
+    winRmTestHideTimer = null;
+  }
+}
+
 function scheduleSshTestFeedbackHide() {
   clearSshTestFeedbackTimer();
   sshTestHideTimer = setTimeout(() => {
@@ -487,7 +496,16 @@ function scheduleSshTestFeedbackHide() {
     sshTestOutput.value = "";
     showSshTestFeedback.value = false;
     sshTestHideTimer = null;
-  }, SSH_TEST_FEEDBACK_MS);
+  }, HOST_ACTION_FEEDBACK_MS);
+}
+
+function scheduleWinRmTestFeedbackHide() {
+  clearWinRmTestFeedbackTimer();
+  winRmTestHideTimer = setTimeout(() => {
+    winRmTestMessage.value = "";
+    showWinRmTestFeedback.value = false;
+    winRmTestHideTimer = null;
+  }, HOST_ACTION_FEEDBACK_MS);
 }
 
 async function runSshTest(options: { silent?: boolean } = {}) {
@@ -544,14 +562,21 @@ async function probeSshOnOpen() {
 
 async function runWinRmTest() {
   testingWinRm.value = true;
+  clearWinRmTestFeedbackTimer();
   winRmTestMessage.value = "";
+  showWinRmTestFeedback.value = false;
   try {
     const result = await testHostWinRm(hostId.value);
     winRmTestOk.value = result.ok;
     winRmTestMessage.value = result.message;
+    showWinRmTestFeedback.value = true;
+    if (result.ok) {
+      scheduleWinRmTestFeedbackHide();
+    }
   } catch (e) {
     winRmTestOk.value = false;
     winRmTestMessage.value = e instanceof Error ? e.message : "Ошибка проверки WinRM";
+    showWinRmTestFeedback.value = true;
   } finally {
     testingWinRm.value = false;
   }
@@ -646,6 +671,8 @@ async function loadHost() {
   loading.value = true;
   error.value = "";
   winRmTestMessage.value = "";
+  clearWinRmTestFeedbackTimer();
+  showWinRmTestFeedback.value = false;
   sshProbeSeq += 1;
   clearSshTestFeedbackTimer();
   showSshTestFeedback.value = false;
@@ -738,6 +765,7 @@ onMounted(async () => {
 
 onUnmounted(() => {
   clearSshTestFeedbackTimer();
+  clearWinRmTestFeedbackTimer();
 });
 
 watch(