Citrix Virtual Apps and Desktops: Issues with Monitor Service after upgrade to 2402 CU2

Environment has been upgraded to 2402 CU2 version. When admin invokes a cmdlet: Get-MonitorConfiguration, the error is displayed: A database operation failed and could not be recovered : Reason ? Not all Delivery Controllers are affected and cmdlet returns actual configuration on some of the...

After upgrading from 1912 to 2402, unable to view license usage in Studio

After upgrading Delivery controllers from 1912 to 2402, unable to view license usage in Studio. Studio show error : An error has occurred with the Citrix License Server. Check the license server to make sure it is running, then try again...

Citrix Delivery Controllers generates Event ID 505 and Event ID 3602 continuously

Upgrading CVAD version to 2308 generates“Citrix ConfigSync Service” with "Event ID “505 ” and "Citrix High Availability Service" with "Event ID 3602" The Citrix Config Sync Service failed an import. Error details: Error importing configuration data into secondary Broker...

Firewall Whitelisting for Delivery Controllers to add Azure as a Hosting Connection

Requesting a Firewall white-list for Delivery Controller with connecting to Azure Subscription as a hosting connection...

Migrate Citrix Virtual Apps and Desktop databases to a new SQL server

Please follow these steps. 1.Close all instances of Citrix studio. Any configuration changes even through powershell to be stopped while following the stepsYou can power down DDCs to be extra cautious Take VM snapshot or take backup of all Delivery Controllers. 2. Take full backup of Site, Monito...

Gateway Callback and / or XML Communication fails after upgrade to Storefront 2203

The issue occurs when customers upgrade from Storefront 1912 to 2203 and had TLS1.0 disabled prior to upgrading Does not occur on a clean install, or with TLS 1.0 enabled. In this scenario customers will encounter a TLS communication issue between Storefront and ADC / Storefront and Citrix Delive...

A Search for API Security in the Operator’s Tool Box

Much has been written about modern application security tools and solutions from the provider’s perspective about their functionality and security features. When I was asked to write a blog about API Gateways and API Security, I felt it may be more useful to think about the subject from the user’...

VDAs are still trying to register with old DDCs post changing the list of DDCs

Post changing the Delivery Controllers list, VDAs are still trying to register with the old Controllers. Deletes the old Delivery Controllers FQDN on "ListOfDDCs" key in "HKLM\Software\Citrix\VirtualDesktopAgent\Policy" registry and restarts the Citrix desktop service, however the VDAs are still...

Storefront unable to communicate with Delivery controllers over HTTPS.

SSL Error on Storefront Event Logs:...

Error: "Your logon has expired. Please log on again to continue" When one XML broker does not work correctly, users are unable to see apps and desktops from other working XML brokers.

When one XML broker does not work correctly, users are unable to see apps and desktops from other working XML brokers if StoreFront . The following error is displayed. "Your logon has expired. Please log on again to continue." This problem happens if the store has been configured with multiple...

Power Managed Server VDA's does not receive shutdown request

Randomly some of the Power Managed Server VDA's receive a shutdown request approximately 20 mins after the scheduled reboot and do not power on automatically and remain Turned Off. Scout logs detect the following: Some Power Actions are marked as failures by Broker possibly because VDAs are not...

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...

FAQ: Connection Leasing in XenApp/XenDesktop 7.6

Q: What is Connection leasing? A: It allows users to connect to recently used published applications or desktops launchedwithin the last 2 weeks or less during a site database failure using a combination of a license lease and cached information on the Delivery Controllers. The Delivery...

Citrix NetScaler ADC and NetScaler Gateway Remote Arbitrary Shell Command Execution Vulnerability

Citrix NetScaler ADCs are application delivery controllers that optimize enterprise service delivery.Citrix Access Gateway is a general purpose SSL VPN appliance. A security vulnerability exists in Citrix NetScaler ADC and NetScaler Gateway that allows authenticated users to send specially crafte...