<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><br />
After installation of EdgeSight v5.3 server on our Windows 2008 Server XenApp v5.0 Citrix farm, I have started receiving e-mails with the following contents:</p>
<p><strong>Subject: License Server Monitoring polling failed.</strong></p>
<p><strong>License Server %servername% version incompatible. View addtional details in RSSH log.</strong></p>
<p>I thought that I was using the latest version of the Server <b>v11.6</b>, but apparently I was wrong.</p>
<p><!--more--></p>
<p>If you login to MyCitrix and select Licensing downloads you will notice that version <b>11.9</b> i available. Upgrade went fairly easily and without issues. You may upgrade the license server in non-working hours (recommended).</p>
<p>After that, you EdgeSight should be able to poll your Citrix License Server.</p>