Citrix CVAD/DaaS - License server is unavailable in Studio following upgrade to build 51000

The below message appears after upgrading the License server build to 51000...

Citrix Licensing - powershell cmdlets failing with CommunicationError

Citrix.Licensing.Admin.V1 cmdlets Get-LicCertificate, Get-LicInventory stopped working after License Server upgrade to 11.17.2.0. Build 51000. Citrix Licensing PowerShell Snap-In is installed and used directly on the License Server. Error: CommunicationError CategoryInfo: InvalidOperation Example...

Prompt to "Upgrade Remaining Delivery Controllers" after XenDesktop/XenApp upgrade

After upgrading site to 7.6, the controller still says the upgrade is not complete. There is only one controller and it has been upgraded but it references another server License Server as needing to be upgraded...

Error: "Error Id: XDDS:F05685F3" Connection To Existing License Server Fails After License Server Upgrade to 11.11.1 v2

Connection to existing production license server XenDesktop 7.5 fails after License Server upgrade to 11.11.1. New XenDesktop 7.5 environment. Upgraded existing license server to 11.11.1 build 13017 Current XenApp 6.5 environment continued to function New DDC is fails to connect to the license...