License Acquisition Error 500 Occurs and Workspace Control Fails

Users are unable to connect to XenApp farm and receive the following error message: “license acquisition error 500: Unable to acquire a license from server name server. Please contact your system administrator or open the event viewer for more details." If users connect through Web Interface and...

Recommended Operating System Patches for Provisioned Windows Targets

Thisarticle lists recommended operating system patches from Microsoft which have been known to resolve issues within provisioned XenApp and other target environments. Note : The recommended hotfixes within the article might have been superseded with another Microsoft hotfix. Refer to the Microsof...

XenApp Target Device Does Not Respond and Displays a Gray Screen

XenApp Target Device appears to be unresponsive. Background When the Provisioned XenApp server is accessed through the local console, you see a gray blank screen. There are different symptoms reported for the same incident and they are not specific to Provisioning services or XenApp. In some case...

Support for XenApp in Virtualized Environments

This article provides information on support for XenApp in virtualized environments. Virtual servers provide mainframe-class virtual machines on Intel and AMD architecture servers, and are ideally suited for consolidating and partitioning systems in high-performance environments. Citrix supports...

VMware vSphere 5.5 - Communication Issue from Studio Console

Hosting a VMware vSphere 5.5 server through XenDesktop or XenApp Studio displays the following error:...

The Server (Unknown) is Not Trusted for ICA Connections

When trying to launch applications from a published XenApp server desktop, the following error message appears: “Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. The server Unknown is not trusted for ICA...

CPU consumed by a session on VDA mismatches associated session or published apps importance level

The CPU resource consumed by a session on a XenApp Server does not match the associated session and/or published application importance levels...

Error "Unable to launch your application" When Launching Published Applications

Error "Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. The Network is down"When Launching Published Applications Through Citrix Gateway...

Support for ICA files in XenApp/XenDesktop Environment

When users are connecting to XenApp or XenDesktop with an ICA file, there could occur a wide range of issues related to connection, load balancing, performance,cosmetic issues with an application and so on. For users connecting with Citrix Receiver or Citrix Receiver in conjunction with StoreFron...

Unable to create Azure hosting connection in On-Premise Studio

When trying to create a new Azure hosting connection in on-premise Studio, it may fail with the following error: Error Id: XDDS:09449CBF Exception: Error Source : Citrix Studio StackTrace: System.Net.WebException The remote server returned an error: 400 Bad Request. at System.Net.HttpWebRequest...

Citrix Federated Authentication Service (FAS) Security Update

An issue has been identified in Citrix Federated Authentication Service FAS which causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module TPM to incorrectly store that key in the Microsoft Software Key Storage Provider...

Citrix ADC Deprecation of Web Interface on NetScaler (WIonNS) Feature

“From 12.1.63.22, 13.0.82.45 and 13.1.4.43 release, Web Interface on NetScaler WIonNS has been deprecated and sites using Citrix ADC’s Web Interface for accessing Citrix XenApp and Citrix XenDesktop applications need to move to Citrix StoreFront” The following configurations will be deprecated...

Citrix Security Advisory for CVE-2021-44228, CVE-2021-45046, CVE-2021-45105 and CVE-2021-44832.

Citrix is aware offourvulnerabilitiesaffectingApache Log4j2, threeof whichmayallowan attackertoexecute arbitrary code. Thesethreevulnerabilitieshavebeen given the followingidentifiers: CVE-2021-44228 CVE-2021-45046 CVE-2021-44832 Thefourthvulnerabilitymay allowan attackertocause a denial of...

How to Customize App Shortcuts with Receiver for Windows

As a Receiver administrator, you can configure Receiver for Windows 4.2.100 to automatically place application and desktop shortcuts directly in the Start menu or on the desktop in a similar way that Receiver for Windows 3.4 Enterprise places them. The new shortcut only mode provides a seamless...

Vulnerability fixed in Citrix Virtual Apps and Desktops

Citrix has fixed a vulnerability in Virtual Apps and Desktops, XenApp and XenDesktop. A local malicious party could by exploiting this vulnerability within a Windows VDA acquire elevated privileges. The vulnerability resides only in systems using Citrix Profile Management or the Citrix Profile...

Error: "Cannot connect to the Citrix XenApp server. The Citrix SSL server you have selected is not accepting connections"

When launching an application through Citrix Gateway, the following error is displayed: "Cannot connect to the Citrix XenApp server. The Citrix SSL server you have selected is not accepting connections"...

XenApp UNIX Error : Latency Issue with Published Application or Desktops from XenApp for UNIX through Citrix Receiver

This article is intended for Citrix administrators and technical teams only. Non-admin users must contact their company's Help Desk/IT support team and can refer to CTX297149 for more information. While using Citrix Receiver 3.x to access published application from Citrix XenApp for UNIX, users...

Citrix Receiver Does Not Respond When Opening Applications to XenApp Servers

This article is intended for Citrix administrators and technical teams only. Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information. When opening applications to XenApp servers, there is no response at the Launching… prompt, as shown...

Applications are Not Enumerating for Users when Logging on to StoreFront

When the user logs on to StoreFront, applications are not appearing for the user to launch. No error messages are displayed. When you check the users account in XenApp, the user accounthas applications configured for it...

FAQ: Configuring Local Access Using Receiver for HTML5 1.0

This article is intended for Citrix administrators and technical teams only. Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information. This article contains Frequently Asked Questions on configuring local access using Citrix Receiver f...