<p><a href="http://wincert.net/wp-content/uploads/2015/01/citrix.jpg"><img class="alignnone size-full wp-image-554" src="http://wincert.net/wp-content/uploads/2015/01/citrix.jpg" alt="Citrix Box" width="720" height="340" /></a></p>
<p>When you try to install Citrix Feature Pack 1 for Xen App 5 server on Windows Server 2008, you might receive the following error when using Windows installer:</p>
<p><strong>Error 1720. There is a problem with this Windows Installer package. A script required for this install to complete could not be run. Contact your support personnel or package vendor.</strong></p>
<p><strong><img src="http://wincert.net/wp-content/uploads/2011/11/error1720_1.PNG" alt="" /><br />
</strong></p>
<p>From our 50+ Xen App servers, we have received this error on 11 servers. Other servers had no issues with the installer during installation of Citrix Feature Pack 3 for Xen App 5. <!--more--></p>
<p>To fix this problem, please do the following.</p>
<p>Hit <strong>START</strong> | type <strong>CMD</strong> | right click on <strong>CMD</strong> and select <strong>&#8216;Run as administrator&#8217;</strong> (if you&#8217;re using UAC, otherwise just start CMD)</p>
<p>Type the following:</p>
<p><b>net stop winmgmt</b></p>
<p>( if your Citrix servers are virtualized, you might receive the prompt as seen in the picture below)</p>
<p>Type <b>Y</b> and press <b>enter</b>.</p>
<p>Now type:</p>
<p><strong>%windir%\system32\wbem\winmgmt /resetrepository</strong></p>
<p>Hit <b>enter</b></p>
<p>Now type:</p>
<p><strong>%windir%\system32\wbem\wbemtest</strong></p>
<p><strong><img src="http://wincert.net/wp-content/uploads/2011/11/error1720_2.PNG" alt="" /><br />
</strong></p>
<p>In the pop-up screen click &#8216;<b>Connect</b>&#8216; and also on the following screen click &#8216;<b>Connect</b>&#8216;</p>
<p><img src="http://wincert.net/wp-content/uploads/2011/11/error1720_3.PNG" alt="" /></p>
<p>If you don&#8217;t receive any errors during the test, you should restart the server now and try to install Citrix Feature Pack 1 again.</p>
<p>If you still have issues, please post below and I&#8217;ll try to help.</p>