Edit C:\Windows\System32\ServerManagerInternal\RDManagement\Get-RDCertificate.xaml

<Activity mc:Ignorable="sads sap" x:Class="Microsoft.PowerShell.DynamicActivities._9bac80fd575e400ea5910e083cc3583f" this:_9bac80fd575e400ea5910e083cc3583f.RDManagementServer="localhost"
 xmlns="http://schemas.microsoft.com/netfx/2009/xaml/activities"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 xmlns:mpa="clr-namespace:Microsoft.PowerShell.Activities;assembly=Microsoft.PowerShell.Activities"
 xmlns:mva="clr-namespace:Microsoft.VisualBasic.Activities;assembly=System.Activities"
 xmlns:mvc="clr-namespace:Microsoft.VisualBasic.CompilerServices;assembly=Microsoft.VisualBasic"
 xmlns:s="clr-namespace:System;assembly=mscorlib"
 xmlns:s1="clr-namespace:System;assembly=System"
 xmlns:s2="clr-namespace:System;assembly=System.Core"
 xmlns:s3="clr-namespace:System;assembly=System.ServiceModel"
 xmlns:s4="clr-namespace:System;assembly=System.ComponentModel.Composition"
 xmlns:sa="clr-namespace:System.Activities;assembly=System.Activities"
 xmlns:sads="http://schemas.microsoft.com/netfx/2010/xaml/activities/debugger"
 xmlns:sap="http://schemas.microsoft.com/netfx/2009/xaml/activities/presentation"
 xmlns:sc="clr-namespace:System.Collections;assembly=mscorlib"
 xmlns:scg="clr-namespace:System.Collections.Generic;assembly=mscorlib"
 xmlns:this="clr-namespace:Microsoft.PowerShell.DynamicActivities"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <x:Members>
    <x:Property Name="Role" Type="InArgument(s:String[])" />
    <x:Property Name="RDManagementServer" Type="InArgument(x:String)" />
  </x:Members>
  <sap:VirtualizedContainerService.HintSize>440,440</sap:VirtualizedContainerService.HintSize>
  <mva:VisualBasic.Settings>Assembly references and imported namespaces for internal implementation</mva:VisualBasic.Settings>
  <Sequence DisplayName="Get-RDCertificate" sap:VirtualizedContainerService.HintSize="222,237">
    <Sequence.Variables>
      <Variable x:TypeArguments="sc:Hashtable" Default="[new Hashtable()]" Name="params" />
    </Sequence.Variables>
    <sap:WorkflowViewStateService.ViewState>
      <scg:Dictionary x:TypeArguments="x:String, x:Object">
        <x:Boolean x:Key="IsExpanded">True</x:Boolean>
      </scg:Dictionary>
    </sap:WorkflowViewStateService.ViewState>
    <Sequence DisplayName="Initialize Parameters" sap:VirtualizedContainerService.HintSize="200,51">
      <sap:WorkflowViewStateService.ViewState>
        <scg:Dictionary x:TypeArguments="x:String, x:Object">
          <x:Boolean x:Key="IsExpanded">False</x:Boolean>
          <x:Boolean x:Key="IsPinned">False</x:Boolean>
        </scg:Dictionary>
      </sap:WorkflowViewStateService.ViewState>
      <If Condition="[not (Role Is Nothing)]" DisplayName="Role" sap:VirtualizedContainerService.HintSize="200,51">
        <sap:WorkflowViewStateService.ViewState>
          <scg:Dictionary x:TypeArguments="x:String, x:Object">
            <x:Boolean x:Key="IsExpanded">False</x:Boolean>
            <x:Boolean x:Key="IsPinned">False</x:Boolean>
          </scg:Dictionary>
        </sap:WorkflowViewStateService.ViewState>
        <If.Then>
              <mpa:InlineScript Command="import-module $env:windir\System32\ServerManagerInternal\rdmanagement;&#xD;&#xA;Get-RemoteDesktopCertificate -Role $using:Role" sap:VirtualizedContainerService.HintSize="508,163" PSComputerName="[{RDManagementServer}]" />
        </If.Then>
        <If.Else>
              <mpa:InlineScript Command="import-module $env:windir\System32\ServerManagerInternal\rdmanagement;&#xD;&#xA;Get-RemoteDesktopCertificate" sap:VirtualizedContainerService.HintSize="508,163" PSComputerName="[{RDManagementServer}]" />
        </If.Else>
      </If>
    </Sequence>
  </Sequence>
</Activity>

Ms-Dos/Windows Unix Write backup

jsp File Browser version 1.2 by www.vonloesch.de