diff --git a/Deploy-LoginMonitor.ps1 b/Deploy-LoginMonitor.ps1
index 422912e..bb0d522 100644
--- a/Deploy-LoginMonitor.ps1
+++ b/Deploy-LoginMonitor.ps1
@@ -58,7 +58,7 @@ $DeployLogPath = Join-Path $InstallRoot "Logs\deploy.log"
 $ScriptName = "Login_Monitor.ps1"
 $SacClientName = "Sac-Client.ps1"
 $VersionFileName = "version.txt"
-$DeployBundleFiles = @($ScriptName, $SacClientName, 'Diagnose-RdpLoginMonitor.ps1')
+$DeployBundleFiles = @($ScriptName, $SacClientName, 'Diagnose-RdpLoginMonitor.ps1', 'RdpMonitor-TaskQuery.ps1')
 $PsExe = "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"
 
 $Utf8Bom = New-Object System.Text.UTF8Encoding $true
@@ -971,35 +971,60 @@ function Stop-RdpLoginMonitorMainProcesses {
     }
 }
 
+function Import-RdpMonitorDeployTaskQueryModule {
+    param([string]$ShareRoot = '')
+
+    $candidates = [System.Collections.Generic.List[string]]::new()
+    $candidates.Add((Join-Path $InstallRoot 'RdpMonitor-TaskQuery.ps1')) | Out-Null
+    if (-not [string]::IsNullOrWhiteSpace($ShareRoot)) {
+        $candidates.Add((Join-Path $ShareRoot 'RdpMonitor-TaskQuery.ps1')) | Out-Null
+    } else {
+        try {
+            $candidates.Add((Join-Path (Resolve-SourceShareRoot) 'RdpMonitor-TaskQuery.ps1')) | Out-Null
+        } catch { }
+    }
+
+    foreach ($candidate in @($candidates)) {
+        if (Test-Path -LiteralPath $candidate) {
+            . $candidate
+            return $true
+        }
+    }
+    return $false
+}
+
 function Test-RdpMonitorDeployMainTaskNeedsUnlimitedExecutionTime {
     param([string]$TaskName = 'RDP-Login-Monitor')
-    try {
-        $limit = (Get-ScheduledTask -TaskName $TaskName -ErrorAction Stop | Select-Object -First 1).Settings.ExecutionTimeLimit
-        if ($null -eq $limit) { return $true }
-        if ($limit.Ticks -le 0) { return $false }
-        if ($limit.TotalDays -ge 999) { return $false }
-        return $true
-    } catch {
-        return $true
+    if (-not (Get-Command Test-RdpMonitorScheduledTaskNeedsUnlimitedExecutionTimeLimit -ErrorAction SilentlyContinue)) {
+        if (-not (Import-RdpMonitorDeployTaskQueryModule)) { return $true }
     }
+    return (Test-RdpMonitorScheduledTaskNeedsUnlimitedExecutionTimeLimit -TaskName $TaskName)
 }
 
 function Get-RdpMonitorDeployMainTaskExecutionTimeLimitLabel {
     param([string]$TaskName = 'RDP-Login-Monitor')
-    try {
-        $limit = (Get-ScheduledTask -TaskName $TaskName -ErrorAction Stop | Select-Object -First 1).Settings.ExecutionTimeLimit
-        if ($null -eq $limit) { return '(null)' }
-        if ($limit.Ticks -le 0) { return 'PT0S (без лимита)' }
-        return $limit.ToString()
-    } catch {
-        return '(задача не найдена)'
+    if (-not (Get-Command Get-RdpMonitorScheduledTaskExecutionTimeLimitLabel -ErrorAction SilentlyContinue)) {
+        if (-not (Import-RdpMonitorDeployTaskQueryModule)) { return '(модуль TaskQuery недоступен)' }
     }
+    return (Get-RdpMonitorScheduledTaskExecutionTimeLimitLabel -TaskName $TaskName)
 }
 
 function Write-RdpMonitorDeployScheduledTaskVerification {
     param([string]$TaskName = 'RDP-Login-Monitor')
-    if (Test-RdpMonitorDeployMainTaskNeedsUnlimitedExecutionTime -TaskName $TaskName) {
-        $label = Get-RdpMonitorDeployMainTaskExecutionTimeLimitLabel -TaskName $TaskName
+    if (-not (Get-Command Test-RdpMonitorScheduledTaskNeedsUnlimitedExecutionTimeLimit -ErrorAction SilentlyContinue)) {
+        if (-not (Import-RdpMonitorDeployTaskQueryModule)) {
+            Write-DeployLog "ПРЕДУПРЕЖДЕНИЕ: RdpMonitor-TaskQuery.ps1 не найден — проверка ExecutionTimeLimit пропущена."
+            return $false
+        }
+    }
+
+    $resolved = Get-RdpMonitorScheduledTaskExecutionTimeLimitResolved -TaskName $TaskName
+    if ($resolved.Source -eq 'schtasks-xml') {
+        Write-DeployLog "Задача ${TaskName}: ExecutionTimeLimit проверен через schtasks /XML (Get-ScheduledTask недоступен)."
+    }
+
+    if (Test-RdpMonitorScheduledTaskNeedsUnlimitedExecutionTimeLimit -TaskName $TaskName) {
+        $label = Get-RdpMonitorScheduledTaskExecutionTimeLimitLabel -TaskName $TaskName
         Write-DeployLog "ПРЕДУПРЕЖДЕНИЕ: $TaskName ExecutionTimeLimit=$label — ожидался PT0S (без лимита). Проверьте InstallTasks и права администратора."
         return $false
     }
@@ -1007,6 +1032,42 @@ function Write-RdpMonitorDeployScheduledTaskVerification {
     return $true
 }
 
+function Invoke-RdpMonitorDeploySacVersionNotice {
+    if (-not (Test-Path -LiteralPath $LocalScript)) {
+        Write-DeployLog "SAC deploy notice: Login_Monitor.ps1 не найден — пропуск."
+        return
+    }
+    $settingsLocal = Join-Path $InstallRoot 'login_monitor.settings.ps1'
+    if (-not (Test-Path -LiteralPath $settingsLocal)) {
+        Write-DeployLog "SAC deploy notice: login_monitor.settings.ps1 отсутствует — пропуск."
+        return
+    }
+
+    $outLog = Join-Path $InstallRoot 'Logs\deploy_sac_notice_stdout.log'
+    $errLog = Join-Path $InstallRoot 'Logs\deploy_sac_notice_stderr.log'
+    $noticeArgs = @(
+        '-NoProfile', '-ExecutionPolicy', 'Bypass', '-File', $LocalScript, '-SendDeploySacNotice'
+    )
+    $p = Start-Process -FilePath $PsExe -ArgumentList $noticeArgs -Wait -PassThru -WindowStyle Hidden `
+        -RedirectStandardOutput $outLog -RedirectStandardError $errLog
+    if ($p.ExitCode -eq 0) {
+        Write-DeployLog "SAC: версия агента передана сразу после деплоя (SendDeploySacNotice)."
+        return
+    }
+
+    Write-DeployLog "Предупреждение: SendDeploySacNotice завершился с кодом $($p.ExitCode) — SAC обновится при старте монитора (agent.lifecycle)."
+    foreach ($pair in @(@($outLog, 'stdout'), @($errLog, 'stderr'))) {
+        $lp = $pair[0]
+        $lbl = $pair[1]
+        if (Test-Path -LiteralPath $lp) {
+            $tail = Get-Content -LiteralPath $lp -Tail 20 -ErrorAction SilentlyContinue
+            if ($tail) {
+                Write-DeployLog "SendDeploySacNotice $lbl (хвост): $($tail -join ' | ')"
+            }
+        }
+    }
+}
+
 # --- main ---
 try {
     $shareRoot = Resolve-SourceShareRoot
@@ -1040,6 +1101,8 @@ try {
         Write-DeployLog "ОШИБКА: на шаре отсутствует $SacClientName — выполните update-rdp-monitor.ps1 на сервере публикации."
     }
 
+    [void](Import-RdpMonitorDeployTaskQueryModule -ShareRoot $shareRoot)
+
     $needsSettingsBootstrap = Test-RdpMonitorSettingsNeedsSacBootstrap -SettingsPath $settingsLocal
     $needsDisplayNameHint = Test-RdpMonitorSettingsNeedsServerDisplayNameHint -SettingsPath $settingsLocal
     $needsDailyReportHint = Test-RdpMonitorSettingsNeedsDailyReportHint -SettingsPath $settingsLocal
@@ -1171,6 +1234,8 @@ try {
     [System.IO.File]::WriteAllText($DeployUpdateMarkerPath, "$updMarker`r`n", $Utf8Bom)
     Write-DeployLog "Записана метка обновления: $DeployUpdateMarkerPath (Version=$shareVerRaw; UpdatedAt=$updStamp)."
 
+    Invoke-RdpMonitorDeploySacVersionNotice
+
     if (-not $SkipStartMonitorAfterUpdate) {
         $canonical = [System.IO.Path]::GetFullPath($LocalScript)
         if (Test-RdpMonitorMainProcessRunning -CanonicalScript $canonical) {
diff --git a/Login_Monitor.ps1 b/Login_Monitor.ps1
index e0c5ef3..8c4e439 100644
--- a/Login_Monitor.ps1
+++ b/Login_Monitor.ps1
@@ -38,6 +38,7 @@ param(
     [switch]$SkipImmediateMainRun,
     [switch]$SkipScheduledTaskMaintenance,
     [switch]$CheckSac,
+    [switch]$SendDeploySacNotice,
     [switch]$RequestRestart,
     [switch]$Recycle
 )
@@ -89,7 +90,7 @@ $script:SkipLogDetailLimit = 15
 # строки ниже, если правки «мелкие» и вы не хотите менять отображаемую версию в логах).
 # Рекомендация: при значимых релизах меняйте и $ScriptVersion, и version.txt одинаково; при только
 # исправлениях на шаре — достаточно поднять patch в version.txt (например 1.3.0.1).
-$ScriptVersion = "2.0.27-SAC"
+$ScriptVersion = "2.0.28-SAC"
 
 # Логи (все под InstallRoot)
 $LogFile = Join-Path $script:InstallRoot "Logs\login_monitor.log"
@@ -480,31 +481,13 @@ function Invoke-RdpMonitorReloadSettings {
     return $false
 }
 
-function Test-RdpMonitorScheduledTaskExecutionTimeLimitUnlimited {
-    param(
-        [Parameter(Mandatory = $true)][string]$TaskName
-    )
-    try {
-        $limit = (Get-ScheduledTask -TaskName $TaskName -ErrorAction Stop | Select-Object -First 1).Settings.ExecutionTimeLimit
-        if ($null -eq $limit) { return $false }
-        if ($limit.Ticks -le 0) { return $true }
-        # Некоторые сборки Windows возвращают «безлимит» как очень большой интервал.
-        if ($limit.TotalDays -ge 999) { return $true }
-        return $false
-    } catch {
-        return $false
-    }
-}
-
-function Get-RdpMonitorScheduledTaskExecutionTimeLimitLabel {
-    param([Parameter(Mandatory = $true)][string]$TaskName)
-    try {
-        $limit = (Get-ScheduledTask -TaskName $TaskName -ErrorAction Stop | Select-Object -First 1).Settings.ExecutionTimeLimit
-        if ($null -eq $limit) { return '(null)' }
-        if ($limit.Ticks -le 0) { return 'PT0S (без лимита)' }
-        return $limit.ToString()
-    } catch {
-        return '(задача не найдена)'
+foreach ($taskQueryPath in @(
+        (Join-Path $PSScriptRoot 'RdpMonitor-TaskQuery.ps1'),
+        (Join-Path $script:InstallRoot 'RdpMonitor-TaskQuery.ps1')
+    )) {
+    if (Test-Path -LiteralPath $taskQueryPath) {
+        . $taskQueryPath
+        break
     }
 }
 
@@ -537,9 +520,18 @@ function Test-RdpMonitorScheduledTaskMatches {
             return $false
         }
         return $true
-    } catch {
+    } catch { }
+
+    if (-not (Get-Command Test-RdpMonitorScheduledTaskActionMatchesViaSchtasks -ErrorAction SilentlyContinue)) {
         return $false
     }
+    if (-not (Test-RdpMonitorScheduledTaskActionMatchesViaSchtasks -TaskName $TaskName -ExpectedExe $ExpectedExe -ExpectedArguments $ExpectedArguments)) {
+        return $false
+    }
+    if ($RequireUnlimitedExecutionTime -and -not (Test-RdpMonitorScheduledTaskExecutionTimeLimitUnlimited -TaskName $TaskName)) {
+        return $false
+    }
+    return $true
 }
 
 function Register-RdpMonitorScheduledTasksCore {
@@ -647,7 +639,7 @@ function Ensure-RdpMonitorScheduledTasks {
     }
     if ($needWd) { Write-Log "Требуется обновить или создать задачу: $($script:ScheduledTaskNameWatchdog)" }
 
-    Register-RdpMonitorScheduledTasksCore
+    Register-RdpMonitorScheduledTasksCore -SkipImmediateMainRun
 }
 
 function Start-RdpMonitorWatchdogMain {
@@ -1143,6 +1135,61 @@ if ($CheckSac) {
     exit $code
 }
 
+if ($SendDeploySacNotice) {
+    if (-not $script:SacClientLoaded) {
+        Write-Log "SendDeploySacNotice: Sac-Client.ps1 не найден."
+        exit 1
+    }
+    if ((Get-SacNormalizedMode) -eq 'off') {
+        Write-Log "SendDeploySacNotice: UseSAC=off — уведомление SAC пропущено."
+        exit 0
+    }
+    if (-not (Test-SacConfigured)) {
+        Write-Log "SendDeploySacNotice: SAC не настроен (SacUrl / SacApiKey)."
+        exit 1
+    }
+    try {
+        [System.Net.ServicePointManager]::SecurityProtocol =
+            [System.Net.ServicePointManager]::SecurityProtocol -bor [System.Net.SecurityProtocolType]::Tls12
+    } catch { }
+
+    $hostLabel = $env:COMPUTERNAME
+    if (-not [string]::IsNullOrWhiteSpace($ServerDisplayName)) {
+        $hostLabel = [string]$ServerDisplayName
+    }
+    $updatedAt = $null
+    if (Test-Path -LiteralPath $DeployUpdateMarkerFile) {
+        try {
+            foreach ($ln in (Get-Content -LiteralPath $DeployUpdateMarkerFile -ErrorAction Stop)) {
+                if ($ln -match '^\s*UpdatedAt\s*=\s*(.+)\s*$') {
+                    $updatedAt = $Matches[1].Trim()
+                    break
+                }
+            }
+        } catch { }
+    }
+
+    $summary = "RDP login monitor deployed, version $ScriptVersion on $hostLabel"
+    if (-not [string]::IsNullOrWhiteSpace($updatedAt)) {
+        $summary += " ($updatedAt)"
+    }
+    $details = @{
+        lifecycle = 'updated'
+        trigger   = 'deploy'
+        version   = [string]$ScriptVersion
+    }
+    $ok = Send-SacEvent -EventType 'agent.lifecycle' -Severity 'info' `
+        -Title "RDP agent updated to $ScriptVersion" `
+        -Summary $summary `
+        -Details $details
+    if ($ok) {
+        Write-Log "SendDeploySacNotice: SAC agent.lifecycle отправлен (version=$ScriptVersion)."
+        exit 0
+    }
+    Write-Log "SendDeploySacNotice: не удалось отправить в SAC (см. sac_client.log / spool)."
+    exit 1
+}
+
 Invoke-RdpMonitorProcessMigrationAndRelaunch
 Lock-RdpMonitorSingleInstance
 Ensure-RdpMonitorScheduledTasks
diff --git a/RdpMonitor-TaskQuery.ps1 b/RdpMonitor-TaskQuery.ps1
new file mode 100644
index 0000000..bdb1904
--- /dev/null
+++ b/RdpMonitor-TaskQuery.ps1
@@ -0,0 +1,176 @@
+<#
+.SYNOPSIS
+    Запрос задач планировщика RDP-login-monitor через schtasks /Query /XML (fallback для Get-ScheduledTask).
+#>
+
+function Get-RdpMonitorSchtasksExe {
+    return Join-Path $env:SystemRoot 'System32\schtasks.exe'
+}
+
+function Get-RdpMonitorScheduledTaskXmlDocument {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName
+    )
+
+    $exe = Get-RdpMonitorSchtasksExe
+    $prevEa = $ErrorActionPreference
+    try {
+        $ErrorActionPreference = 'SilentlyContinue'
+        $raw = & $exe /Query /TN $TaskName /XML 2>&1
+        if ($LASTEXITCODE -ne 0) { return $null }
+        $text = ($raw | Out-String).Trim()
+        if ([string]::IsNullOrWhiteSpace($text)) { return $null }
+        if ($text -notmatch '(?s)<Task\b') { return $null }
+        return [xml]$text
+    } catch {
+        return $null
+    } finally {
+        $ErrorActionPreference = $prevEa
+    }
+}
+
+function Test-RdpMonitorScheduledTaskExistsViaSchtasks {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName
+    )
+    return ($null -ne (Get-RdpMonitorScheduledTaskXmlDocument -TaskName $TaskName))
+}
+
+function Convert-RdpMonitorScheduledTaskExecutionTimeLimitText {
+    param([string]$LimitText)
+
+    if ([string]::IsNullOrWhiteSpace($LimitText)) { return $null }
+    $t = $LimitText.Trim()
+    if ($t -eq 'PT0S') { return [TimeSpan]::Zero }
+    try {
+        return [System.Xml.XmlConvert]::ToTimeSpan($t)
+    } catch {
+        return $null
+    }
+}
+
+function Get-RdpMonitorScheduledTaskExecutionTimeLimitFromDocument {
+    param([xml]$Doc)
+
+    if ($null -eq $Doc) { return $null }
+
+    $ns = New-Object System.Xml.XmlNamespaceManager($Doc.NameTable)
+    $ns.AddNamespace('t', 'http://schemas.microsoft.com/windows/2004/02/mit/task')
+    $node = $Doc.SelectSingleNode('//t:Settings/t:ExecutionTimeLimit', $ns)
+    if ($null -eq $node) {
+        $node = $Doc.SelectSingleNode('//*[local-name()="Settings"]/*[local-name()="ExecutionTimeLimit"]')
+    }
+    if ($null -eq $node -or [string]::IsNullOrWhiteSpace($node.InnerText)) { return $null }
+    return Convert-RdpMonitorScheduledTaskExecutionTimeLimitText -LimitText $node.InnerText.Trim()
+}
+
+function Get-RdpMonitorScheduledTaskActionFromDocument {
+    param([xml]$Doc)
+
+    if ($null -eq $Doc) { return $null }
+
+    $ns = New-Object System.Xml.XmlNamespaceManager($Doc.NameTable)
+    $ns.AddNamespace('t', 'http://schemas.microsoft.com/windows/2004/02/mit/task')
+    $cmdNode = $Doc.SelectSingleNode('//t:Actions/t:Exec/t:Command', $ns)
+    $argNode = $Doc.SelectSingleNode('//t:Actions/t:Exec/t:Arguments', $ns)
+    if ($null -eq $cmdNode) {
+        $cmdNode = $Doc.SelectSingleNode('//*[local-name()="Actions"]/*[local-name()="Exec"]/*[local-name()="Command"]')
+    }
+    if ($null -eq $argNode) {
+        $argNode = $Doc.SelectSingleNode('//*[local-name()="Actions"]/*[local-name()="Exec"]/*[local-name()="Arguments"]')
+    }
+    if ($null -eq $cmdNode) { return $null }
+
+    return [pscustomobject]@{
+        Execute   = [string]$cmdNode.InnerText
+        Arguments = if ($null -ne $argNode) { [string]$argNode.InnerText } else { '' }
+    }
+}
+
+function Test-RdpMonitorScheduledTaskExecutionTimeLimitUnlimitedValue {
+    param($Limit)
+
+    if ($null -eq $Limit) { return $false }
+    if ($Limit -isnot [TimeSpan]) { return $false }
+    if ($Limit.Ticks -le 0) { return $true }
+    if ($Limit.TotalDays -ge 999) { return $true }
+    return $false
+}
+
+function Get-RdpMonitorScheduledTaskExecutionTimeLimitResolved {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName
+    )
+
+    try {
+        $limit = (Get-ScheduledTask -TaskName $TaskName -ErrorAction Stop | Select-Object -First 1).Settings.ExecutionTimeLimit
+        return [pscustomobject]@{
+            Limit  = $limit
+            Source = 'Get-ScheduledTask'
+        }
+    } catch { }
+
+    $doc = Get-RdpMonitorScheduledTaskXmlDocument -TaskName $TaskName
+    if ($null -eq $doc) {
+        return [pscustomobject]@{
+            Limit  = $null
+            Source = 'missing'
+        }
+    }
+
+    $limit = Get-RdpMonitorScheduledTaskExecutionTimeLimitFromDocument -Doc $doc
+    return [pscustomobject]@{
+        Limit  = $limit
+        Source = 'schtasks-xml'
+    }
+}
+
+function Test-RdpMonitorScheduledTaskExecutionTimeLimitUnlimited {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName
+    )
+
+    $resolved = Get-RdpMonitorScheduledTaskExecutionTimeLimitResolved -TaskName $TaskName
+    if ($resolved.Source -eq 'missing') { return $false }
+    return (Test-RdpMonitorScheduledTaskExecutionTimeLimitUnlimitedValue -Limit $resolved.Limit)
+}
+
+function Test-RdpMonitorScheduledTaskNeedsUnlimitedExecutionTimeLimit {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName
+    )
+
+    $resolved = Get-RdpMonitorScheduledTaskExecutionTimeLimitResolved -TaskName $TaskName
+    if ($resolved.Source -eq 'missing') { return $true }
+    return (-not (Test-RdpMonitorScheduledTaskExecutionTimeLimitUnlimitedValue -Limit $resolved.Limit))
+}
+
+function Get-RdpMonitorScheduledTaskExecutionTimeLimitLabel {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName
+    )
+
+    $resolved = Get-RdpMonitorScheduledTaskExecutionTimeLimitResolved -TaskName $TaskName
+    if ($resolved.Source -eq 'missing') { return '(task missing)' }
+
+    $limit = $resolved.Limit
+    if ($null -eq $limit) { return '(null)' }
+    if ($limit -is [TimeSpan] -and $limit.Ticks -le 0) { return 'PT0S' }
+    return $limit.ToString()
+}
+
+function Test-RdpMonitorScheduledTaskActionMatchesViaSchtasks {
+    param(
+        [Parameter(Mandatory = $true)][string]$TaskName,
+        [Parameter(Mandatory = $true)][string]$ExpectedExe,
+        [Parameter(Mandatory = $true)][string]$ExpectedArguments
+    )
+
+    $doc = Get-RdpMonitorScheduledTaskXmlDocument -TaskName $TaskName
+    if ($null -eq $doc) { return $false }
+
+    $action = Get-RdpMonitorScheduledTaskActionFromDocument -Doc $doc
+    if ($null -eq $action) { return $false }
+    if ($action.Execute.Trim() -ne $ExpectedExe.Trim()) { return $false }
+    return ($action.Arguments.Trim() -eq $ExpectedArguments.Trim())
+}
diff --git a/update-rdp-monitor.ps1 b/update-rdp-monitor.ps1
index 52951a0..ec35f28 100644
--- a/update-rdp-monitor.ps1
+++ b/update-rdp-monitor.ps1
@@ -24,6 +24,7 @@ $ErrorActionPreference = 'Stop'
 $DistFiles = @(
     'Login_Monitor.ps1',
     'Sac-Client.ps1',
+    'RdpMonitor-TaskQuery.ps1',
     'version.txt',
     'Deploy-LoginMonitor.ps1',
     'Restart-RdpLoginMonitor.ps1',
diff --git a/version.txt b/version.txt
index da1893f..447fb86 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.0.27-SAC

+2.0.28-SAC