There is a typo in the site database after you upgrade your environment to release 7.11 of XenDesktop. The issue is discussed on http://discussions.citrix.com/topic/381495-director-dashboard-doesent-update-after-installation-of-711/ and was initially identified by Sacha Thomet.
You can test if you have this issue by executing the Get-MonitorConfiguration commandlet. To fix the issue you have to run the following SQL update scripts against your site database: Continue reading “Typo in site database after upgrade to XenDesktop 7.11”
dready's Blog 