diff --git a/VMware/vCheck/vSphere/90 Cluster HA Monitor Period.ps1 b/VMware/vCheck/vSphere/90 Cluster HA Monitor Period.ps1
new file mode 100644
index 0000000..8a8bdec
--- /dev/null
+++ b/VMware/vCheck/vSphere/90 Cluster HA Monitor Period.ps1	
@@ -0,0 +1,22 @@
+$ClusterIssue = @()
+
+foreach ($Cluster in (Get-Cluster)){
+    $fdmpol = Get-AdvancedSetting -Entity $Cluster -Name das.config.fdm.unknownStateMonitorPeriod
+    if($fdmpol.Value -ne 30 -and $Cluster.HAEnabled -eq $true){
+        $ResultLine = "" | Select Cluster, Issue
+        $ResultLine.Cluster = $Cluster.Name
+        $helper = $fdmpol.Value
+        $ResultLine.Issue = "unknownStateMonitorPeriod = $helper"
+        $ClusterIssue += $ResultLine
+    }
+}
+
+$ClusterIssue
+
+$Title = "90 Cluster HA Monitor Period"
+$Header =  "90 Cluster HA Monitor Period"
+$Comments = "The following Cluster have HA setting - das.config.fdm.policy.unknownStateMonitorPeriod != 30 "
+$Display = "Table"
+$Author = "evoila GmbH"
+$PluginVersion = 1.0
+$PluginCategory = "vSphere"
\ No newline at end of file