Citrix XenServer Multiple Security Updates

Description of Problem A number of security vulnerabilities have been identified in Citrix XenServer that, depending on configuration, may allow a malicious user of a PV guest VM to crash or compromise the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up ...

Citrix Studio/StoreFront consoles stuck on "Expanding"

Citrix Studio Console which is installed on Delivery Controller cannot be launched. It stuck on "Expand" window. If we launch MMC on the DDC and try to launch Studio it gets stuck at “Assessing databases”...

CVE-2013-4786 for LOM vulnerability

Mitigation recommendations for vulnerability CVE-2013-4786: 1. Setup SSL on the LOM port to encrypt credentials during login. 2. Follow the Secure Deployment Guide for Citrix ADC to isolate all management ports including the BMC management port on a management VLAN as is industry best practice...

App Layering - PVS Blue Screen SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (CVhdMp.sys)

The BSOD SYSTEMTHREADEXCEPTIONNOTHANDLED CVhdMp.sys is seen when booting up a VM in PVS using an App Layering image. It is also possible to just simply get a BSOD with a Stop Code of 0x0000007B. However, this is fairly generic. If you see this stop code and "ERROR: BNIStack failed, network stack...

Citrix Director Infrastructure Monitoring - Incorrect IIS Certificate Validity status

When admin checks Storefront metrics in Citrix Director under Infrastructure Monitoring, incorrect IIS Certificate Validity status is displayed. All other metrics are displayed correctly. Example: StoreFront Details: Storefront is configured with correct certificate and a certificate chain is...

XenServer - VMs on a Cisco USC host do not receive the DHCP settings

When running VMs on a XenServer 8.4 host running on Cisco UCS hardware, the VMs do not receive the DHCP settings...

Black artifacts on published apps once they resize the window or plugout -plug in external monitors

Black artifacts appear within published applications...

CVAD - Published app in windowed mode disappears offscreen when minimized

After launching non-seamless app, if the app gets minimized, the user unable to restore it back. The non-seamless app minimizes and disappears and cannot be retrieved unless the user invokes the task switcher with hotkey combinations. The issue also occurs when using RDP initial app testing...

Netscaler OpenSSH CVEs

Netscaler OpenSSH CVEs CVE-2023-48795 CVE-2023-51384 CVE-2023-51385...

Error: "HVM is Required for this Operation" when Trying to Start the VM in XenServer

Example 1 When trying to start the virtual machine VMthe following error is returned: “ There were no servers available to start VM ” The reason is displayed as “ HVM Hardware Virtual Machine is required for this operation ” Example 2 When trying to migrate a Windows VM from one host to another...

Error: The Pool Failed to Enable External Authentication in XenServer

When attempting to enable external pool authentication in a XenServer 5.6 Feature Pack 1 pool, the operation fails with one or more of the following errors: “Error: The pool failed to enable external authentication.” “Error: Enabling Active Directory Authentication on pool '' - Could not enable...

BGP Routing and RHI Functionality in NetScaler

This article provides information about BGP routing in NetScaler and some of the sample BGP configurations. It gives a brief overview of the RHI functionality. Route Health Injection RHI The primary purpose of dynamic routing in NetScaler is to communicate the state or health of VIPs to the...

Citrix Audio Diagnostic Tool

Citrix Audio Diagnostics tool 1.0.3 What’s new for this release? Support new policy Loss Tolerant Mode for Audio. Optimize the display of network metrics for high round-trip times ICA RTT. Support command-line mode and a runtime option in seconds, allowing the tool to operate in the background fo...

Citrix indirect display adapter is installed along with Workspace app in Win10

After installingCitrix Workspace 1809 or above version in Windows 10,Citrix indirect display adapter is installed automatically...

How to install custom FreeBSD configuration files on a Netscaler

As a Netscaler is an appliance, the root filesystem which is a RAMDisk is restored from a non-modifiable image during every boot. As such, modifications to any FreeBSD configuration files in /etc will be erased upon reboot. This article shows how to properly install supported modifications to...

Does CWAL support http store

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 toCTX297149for more information Does CWAL supports http store in Native receiver or Storebrowse?...

Audio Volume Persistence Tool

Description When a user reconnects to a XenApp session, all playback audio devices are reset to 100% volume level. Any playback volume settings previously made in the session are lost. This may also happen with a XenDesktop session. This tool restores the volume settings from values stored in the...

Citrix Policy Reporter - RSOP CtxCseUtil Tool

CtxCseUtil.exe Created Date: October 24th, 2012 Version: 1.0 Description CtxCseUtil is a tool that can generate resultant set of policy RSOP report per computer, per user or both for Citrix policies on a device that has the Group Policy Management Console installed. Please note: You can download...

FAQ: Licensing for Disaster Recovery Servers

Q: Can existing licenses in the production environment be used for a Disaster Recovery Server? A: Yes, it is possible to use the same server/farm licenses in another server/farm if it is a disaster recovery server/farm. Q: Can both Production and Disaster Recovery servers run simultaneously? A: N...

How to update SAML certificate settings for Sharefile SSO using XenMobile

You can configure XenMobile and ShareFile to use Security Assertion Markup Language SAML to provide single sign-on SSO access to ShareFile mobile apps. For this you need to configure the SAML certificate...

Event id 1 "An error occurred running the command: 'Install-DSFeatureClasses' " while propagating changes after adding StoreFront Server to a Server Group

You may be unable to propagate changes after adding StoreFront Server to existing Server Group. The propagation fails with following event inCitrix Delivery Services event log: Log Name: Citrix Delivery Services Source: Citrix Configuration Replication Service Date: dd/mm/yyyy hr:min:sec AM/PM...

How to reboot or shutdown NetScaler MAS using CLI

Citrix ADM, formerly NetScaler MAS There is an option on MAS GUI to reboot it but what is the equivalent CLI command for it. Do not use the REBOOT command as it is not a clean reboot and will need a Database recovery...

XenServer Security Update for CVE-2025-27466, CVE-2025-58142, CVE-2025-58143 and CVE-2025-58146

Severity: High Description of Problem Several issues have been identified in XenServer 8.4 that collectively may allow privileged code in a guest VM to compromise or crash the host. These issues have the following identifiers: CVE-2025-27466 CVE-2025-58142 CVE-2025-58143 CVE-2025-58146 Affected...

Citrix Session Printers are not mapped after logon

Unable to connect the printer from user end. Session printers are not mapped with following event in the Application event log: Event id: 1105 Cloud not add printer connection to printer \\, for the user username. Error condition is: The Printer name is invalid...

PVS Configuration Wizard Error: Insufficient Privileges

When creating a new PVS farm by running configuration wizard, and selecting option to register the PVS server with a CVAD farm, configuration wizard returns an error: The current user needs to be a Machine catalog Administrator or higher on the Citrix Virtual Desktops Controller at "servername"...

Start menu may stop responding if December 2024 or newer security updates installed on Windows 11

Start menu within a Windows 11 VDI session may not respond for some users after installing Microsoft's December 2024 or newer security updates TPV-6122 Solution This issue is fixed in the Citrix Virtual Apps and Desktops 7 2503 and newer versions. If users are using LTSR or older versions of Citr...

Citrix Endpoint Management (aka XenMobile Server) 10.16.0 Rolling Patch 4

Package name: xms10.16.0.10427.bin For: XenMobile Server 10.16.0 Deployment type: On-premises only Replaces: xms10.16.0.10318.bin, xms10.16.0.10205.bin, xms10.16.0.10108.bin Date: December 2024 Languages supported: English US Important notes about this update As a best practice, Citrix recommends...

Understanding the Citrix Telemetry Service

Understanding the Citrix Telemetry Service The Citrix Telemetry Service plays a crucial role in maintaining and optimizing the user experience of Citrix products. This feature is designed to collect diagnostic, performance, and usage data from Citrix products back to Citrix. The information...

XenServer and Citrix Hypervisor Security Update for CVE-2024-45818

Description of Problem An issue has been identified that affects both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR and allows a malicious administrator of a guest VM to cause the host to crash or become unresponsive. This issue has the following identifier: CVE-2024-45818 What Customers Should ...

Disable Restart Button While Desktops are Restarting

This article describes how to configure the StoreFront to ignore clicks on “Restart” while desktop is powering off and while it is powering on again. Background When the user’s desktop is restarting, there might be issues if they repeatedly click on the desktop...

How to Configure StoreFront and Smart Card Authentication for Internal Users using Stores

This article describes how to configure Citrix StoreFront 2.0 and Smart Card authentication using Gemalto .NET cards against stores for internal users. Requirements The following components are needed to allow users connectthrough Smart Card to StoreFront: Citrix StoreFront 2.x Citrix Receiver fo...

Error: "Unable to Create Deployment" on StoreFront

The installation of StoreFront fails and the error message “Unable to Create Deployment ” is displayed on the console: The following are the Event Viewer Errors: Source: Citrix Delivery Services AdminEvent ID: 1Description:...

Provisioning Services: Service Account Permissions and Configuration for Accessing PVS SQL Database

This article provides a description on how different service accounts should be configured to grant adequate SQL permissions. Service Account Configuration for Accessing SQL Service users are the accounts under which the Stream and Soap services run on a Provisioning Services PVS server which nee...

PVS server fail to boot with error “Login request timed out”

High percentage of PVS provisioned desktop servers fail to boot. This is the sequence of the events: 1. The servers boot with an ISO. 2. The tsbbdm.bin is downloaded from the 1st PVS on the site. 3. The streaming process fails. 4. Error pops up :“Login request timed out”. Rebooting the PVS server...

EPA Scan failure on MacOS with error message "Error during unzipping libraries"

EPA scan failed on MacOS client withfollowing errors in "/Library/Application Support/Citrix/EPAPlugin/ " logs: Error during unzipping libraries NSAppleScriptErrorAppName = CitrixEndpointAnalysis; NSAppleScriptErrorBriefMessage = "unzip: cannot find or open 1/Library/Application...

Cloud connector disconnected - event id 514

In a resource location with multiple cloud connectors, some of them show as "disconnected" in Citrix Cloud or the Cloud Dashboard page. Other Connectors do not display the problem. All Cloud Connectors in the same VLAN. Cloud Connector Connectivity Check Utility does not detect any problems with...

How to configure bookmarks on NetScaler Gateway

This is a step-by-step on how to create bookmarks on the NetScaler and attach those to specific AD groups...

Workspace error "Unable to add account with the given server URL"

Afterentering Citrix Gateway URL on Workspace and thenenteringthecredentials, the user encounters the following error: "Unable to add account with the given server URL. Ensure that it is correct or enter your email address"...

How to set taskbar as auto-hide for all users in HTML5 Workspace App

HTML5 Workspace App taskbar configuration...

Enable mitigations for CVE-2018-12207

Depending on your hardware, your Citrix Hypervisor or XenServer installation may be affected by the security issue with the identifierCVE-2018-12207. Citrix provides the following hotfixes to mitigate this issue: XS70E075, XS71ECU2024, XS76E012,XS80E008. For more information, seeCitrix Hypervisor...

Citrix Health Assistant - Troubleshoot VDA Registration and Session Launch

Citrix Virtual Apps and Desktops, formerly XenDesktop, fits the enterprise need to bring both VDI and apps into a user-centric experience. Citrix Virtual Apps, formerly XenApp, fits the enterprise need to bring legacy apps into a cloud management environment. Citrix Health Assistantv1.8.3.71...

Failed to launch session "session_name". Error code: 2524 on Citrix Workspace App During App/Desktop Launch

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. The following error code is returned by the Citrix Gateway to CWA appwhen application/desktop launch...

ADC SAML Error : “Malformed Assertion sent to NetScaler; Please contact your administrator”

End user getting the error message : “Malformed Assertion sent to NetScaler; Please contact your administrator” after authenticating at IDP ADFS v3...

WEM Agent: "An error occurred while building your environment. Agent processing will now stop."

WEM Agent produces error saying - "An error occurred while building your environment. Agent processing will now stop."...

What is the Default Password for App Layering?

Question: What is the default root password for the Citrix Enterprise Layer Manager ELM via console for App Layering Unidesk? Answer: The default username and password sets for App Layering Unidesk are as follows: rootvia the ELM virtual appliance console - two possible defaults: v9Yx6uj OR...

NetScaler Gateway-13.1-Launching ICA session got stuck with client authentication enabled

You may stuck at the ICA session launching process when you enable client authentication in Gateway virtual server...

Citrix Workspace App - RemotePC ICA session freezes intermittently

Users may experience a session freezing issue while working on the ICA session to Remote PC. They may also see black screen on the console of the Remote PC with unresponsive keyboard and mouse after disconnecting from the ICA connection. The machine can be recovered only by rebooting the Remote P...

NetScaler Error: "Unable to complete System File Update request" while saving custom portal theme

On the NetScaler GUI getting the error "Unable to complete System File Update request" while editing and saving the portal theme...

Unable to run WSL2 on the W11 VDI machine

When customers attempt to install the WSL 2 Ubuntu distribution on Windows 11 VDIs , they encounter the following message: Installing, this may take a few minutes. Error observedWslRegisterDistribution failed with error: 0xe000020b Error: 0xe000020b null...

Citrix Workspace App for Windows restarts after .NET upgrade

Citrix Workspace App Restart Issue: Mitigating .NET Runtime Upgrade Impact If the user endpoint updates the .NET Desktop Runtime, any .NET Core-based app running at the time of the update might exhibit inconsistent behavior. To mitigate this issue, Citrix Workspace App restarts itself. Behavior o...