diff --git a/emhttp/plugins/dynamix.vm.manager/include/libvirt.php b/emhttp/plugins/dynamix.vm.manager/include/libvirt.php
index 33e224e98..042a17ae0 100644
--- a/emhttp/plugins/dynamix.vm.manager/include/libvirt.php
+++ b/emhttp/plugins/dynamix.vm.manager/include/libvirt.php
@@ -910,9 +910,9 @@
 					}
 
 					if ($gpu['multi'] == "on"){
-						$newgpu_bus= 0x10;
+						$newgpu_bus= 0x07;
 						if (!isset($multibus[$newgpu_bus])) {
-							$multibus[$newgpu_bus] = 0x10;
+							$multibus[$newgpu_bus] = 0x07;
 						} else {
 							#Get next bus
 							$newgpu_bus = end($multibus) + 0x01;
@@ -2004,8 +2004,17 @@
 				if (is_file($cfg)) unlink($cfg);
 				if (is_file($xml)) unlink($xml);
 				if (is_dir($dir) && $this->is_dir_empty($dir)) {
-					$error = my_rmdir($dir);
-					qemu_log("$domain","delete empty $dir $error");
+					$result= my_rmdir($dir);
+					if ($result['type'] == "zfs") {
+						qemu_log("$domain","delete empty zfs $dir {$result['rtncode']}");
+						if (isset($result['dataset'])) qemu_log("$domain","dataset {$result['dataset']} ");
+						if (isset($result['cmd'])) qemu_log("$domain","Command {$result['cmd']} ");
+						if (isset($result['output'])) {
+							$outputlogs = implode(" ",$result['output']);
+							qemu_log("$domain","Output $outputlogs end");
+						}
+					}
+					else qemu_log("$domain","delete empty $dir {$result['rtncode']}");				
 				} 
 			}
 
diff --git a/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php b/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php
index 58452f19e..54c0e3c15 100644
--- a/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php
+++ b/emhttp/plugins/dynamix.vm.manager/templates/Custom.form.php
@@ -317,6 +317,18 @@
 	}
 	if ($usertemplate == 1) unset($arrConfig['domain']['uuid']);
 	$xml2 = build_xml_templates($strXML);
+	#disable rename  if snapshots exist
+	$snapshots = getvmsnapshots($arrConfig['domain']['name']) ;
+	if ($snapshots != null && count($snapshots) && !$boolNew)  
+	{
+		$snaprenamehidden = "";
+		$namedisable = "disabled";
+		$snapcount = count($snapshots);
+	} else {
+		$snaprenamehidden = "hidden";
+		$namedisable = "";
+		$snapcount = "0";
+	};
 ?>
 
 <link rel="stylesheet" href="<?autov('/plugins/dynamix.vm.manager/scripts/codemirror/lib/codemirror.css')?>">
@@ -336,10 +348,12 @@
 <input type="hidden" name="domain[memoryBacking]" id="domain_memorybacking" value="<?=htmlspecialchars($arrConfig['domain']['memoryBacking'])?>">
 
 	<table>
-	<tr><td></td><td><span hidden id="zfs-name" class="orange-text"><i class="fa fa-warning"></i> _(Name contains invalid characters or does not start with an alphanumberic for a ZFS storage location<br>Only these special characters are valid Underscore (_) Hyphen (-) Colon (:) Period (.))_</span></td></tr>
+	<tr><td></td><td>
+		<span <?=$snaprenamehidden?> id="snap-rename" class="orange-text"><i class="fa fa-warning"></i> _(Rename disabled, <?=$snapcount?> snapshot(s) exists.)_</span>
+		<span hidden id="zfs-name" class="orange-text"><i class="fa fa-warning"></i> _(Name contains invalid characters or does not start with an alphanumberic for a ZFS storage location<br>Only these special characters are valid Underscore (_) Hyphen (-) Colon (:) Period (.))_</span></td></tr>
 		<tr>
 			<td>_(Name)_:</td>
-			<td><input type="text" name="domain[name]" id="domain_name" oninput="checkName(this.value)" class="textTemplate" title="_(Name of virtual machine)_" placeholder="_(e.g.)_ _(My Workstation)_" value="<?=htmlspecialchars($arrConfig['domain']['name'])?>" required /></td>
+			<td><input <?=$namedisable?> type="text" name="domain[name]" id="domain_name" oninput="checkName(this.value)" class="textTemplate" title="_(Name of virtual machine)_" placeholder="_(e.g.)_ _(My Workstation)_" value="<?=htmlspecialchars($arrConfig['domain']['name'])?>" required /></td>
 			<td><textarea class="xml" id="xmlname" rows=1 disabled ><?=htmlspecialchars($xml2['name'])."\n".htmlspecialchars($xml2['uuid'])."\n".htmlspecialchars($xml2['metadata'])?></textarea></td>
 		</tr>
 	</table>
diff --git a/emhttp/plugins/dynamix/include/Helpers.php b/emhttp/plugins/dynamix/include/Helpers.php
index d91e48566..f64ba2f2d 100644
--- a/emhttp/plugins/dynamix/include/Helpers.php
+++ b/emhttp/plugins/dynamix/include/Helpers.php
@@ -345,27 +345,46 @@ function my_mkdir($dirname,$permissions = 0777,$recursive = false,$own = "nobody
   return($rtncode);
 }
 function my_rmdir($dirname) {
-  if (!is_dir($dirname)) return(false);
+  if (!is_dir("$dirname")) {
+    $return = [
+      'rtncode' => "false",
+      'type' => "NoDir",
+    ];
+    return($return);
+  }
   if (strpos($dirname,'/mnt/user/')===0) {
     $realdisk = trim(shell_exec("getfattr --absolute-names --only-values -n system.LOCATION ".escapeshellarg($dirname)." 2>/dev/null"));
     if (!empty($realdisk)) {
-      $dirname = str_replace('/mnt/user/', "/mnt/$realdisk/", $dirname);
+      $dirname = str_replace('/mnt/user/', "/mnt/$realdisk/", "$dirname");
     }
   }
-  $fstype = trim(shell_exec(" stat -f -c '%T' $dirname"));
+  $fstype = trim(shell_exec(" stat -f -c '%T' ".escapeshellarg($dirname)));
   $rtncode = false;
   switch ($fstype) {
     case "zfs":
       $zfsoutput = array();
-      $zfsdataset = trim(shell_exec("zfs list -H -o name  \"$dirname\"")) ;
-      exec("zfs destroy \"$zfsdataset\"",$zfsoutput,$rtncode);
+      $zfsdataset = trim(shell_exec("zfs list -H -o name  ".escapeshellarg($dirname))) ;
+      $cmdstr = "zfs destroy \"$zfsdataset\"  2>&1 ";
+      $error = exec($cmdstr,$zfsoutput,$rtncode);
+      $return = [
+        'rtncode' => $rtncode,
+        'output' => $zfsoutput,
+        'dataset' => $zfsdataset,
+        'type' => $fstype,
+        'cmd' => $cmdstr,
+        'error' => $error,
+      ];
       break;
     case "btrfs":
     default:
       $rtncode = rmdir($dirname);
+      $return = [
+        'rtncode' => $rtncode,
+        'type' => $fstype,
+      ];
       break;
   }
-  return($rtncode);
+  return($return);
 }
 function get_realvolume($path) {
   if (strpos($path,"/mnt/user/",0) === 0)