Alt + PrtSc shortcut not working when using KeyboardEventMode = Unicode with a Japanese keyboard

In Citrix Workspace App for Linux, when using Unicode keyboard event mode with a Japanese keyboard, the Alt + PrtSc combination/shortcut does not work...

the PVS Target VMs cannot boot due to the following error message: --- Stop Code: SYSTEM THREAD EXCEPTION NOT HANDLED What Failed: CVhdMp.sys

The PVS Target VMs cannot boot due to the following error message: Stop Code: SYSTEM THREAD EXCEPTION NOT HANDLED What Failed: CVhdMp.sys...

CVE-2019-9548 - Citrix Application Delivery Management (ADM) Agent Security Update

Description of Problem A vulnerability has been identified in Citrix Application Delivery Management Agent that could allow an unauthenticated attacker with network access to the management agent interface to obtain sensitive information. Disclosed information could be used for privilege escalati...

General Information on NetScaler SDX LOM

This article provides general information on Lights Out Management LOM on the NetScaler SDX appliance and also about how to configure the NetScaler SDX appliance, initial settings and commands to troubleshoot. Background All NetScaler SDX devices are shipped with a LOM. The LOM has a separate CPU...

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...

Error: "Backup Failure: Could not find required XVA" on NetScaler SDX

After upgrading NetScaler SDX and Netscaler VPX firmware to any newer version you will get daily notifications about backups failing: For Example the Log Message is as below: Local0.Error 10.xx.xx. svmevent: GMT : EVENT BACKUPFAILED : 127.0.0.1:BackupFailure: - Could not find required XVA for...

CVE-2017-5933 - Vulnerability in Citrix NetScaler Application Delivery Controller and NetScaler Gateway GCM nonce generation

Description of Problem A flaw in NetScaler ADC and Gateway causes GCM nonces to be randomly generated, making it marginally easier for remote attackers to obtain the GCM authentication key and spoof data within a session. The following vulnerability has been addressed: CVE-2017-5933: Vulnerabilit...

NetScaler-13.1-EPA scan failed with "Error while parsing client security configuration"

EPA scan failed with "Error while parsing client security configuration" in EPA log. ---------------------------- 2025-02-19 09:03:50.706 | 21708 | DEBUG | D | PRE AUTH EPA | token: |^M 2025-02-19 09:03:50.706 | 21708 | DEBUG | D | PRE AUTH EPA | Policy MACADDRanyofF8BXXXXXX28A returned 2004 |^M...

Citrix VDA - How to stop VDACEIP collection

How to stop VDACEIP collection on the VDA. VDA: any version...

XenMobile server fix for CVE-2023-48795,CVE-2023-51384, and CVE-2023-51385

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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...

“Cannot Retrieve Data” on Citrix Director Dashboard error. Unable to see session information .

“Cannot Retrieve Data” on Citrix Director Dashboard error. Unable to see session information of User Connection Failures, Failed Single-session OS Machines, Failed Multi-session OS Machines data is missing. The following exception can be seen in CDF traces. Error:...

When upgrading NetScaler getting error -bash: ./installns: /usr/bin/perl: bad interpreter

When upgrading NetScaler getting error ./installns: /usr/bin/perl: bad interpreter: No such file or directory...

wfshell.exe consumes high CPU

While the ICA session is closed, Citrix WinFrame Shell wfshell.exe process doesn't exit. This process consumes high CPU in Task Manager...

How to Delete Many VDI and Their Accounts by Using PowerShell Command

This article is designed to describe how to remove a machine from machine catalog as well as hypervisor through PowerShell command...

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...

Published Desktop session stuck at grey screen on session launch

Published Desktop session stuck at grey screen on session launch. You may see Citrix CTXUVI error events in Windows system Event logs with ID 1003/1005 on Citrix VDAs CTXUVI Driver Injection failure...

Unable to install Citrix FAS - Error ID: XDMI:EA63CDB6

Unable to install Citrix FAS 2209 on Microsoft server 2019 with error message : Error ID: XDMI:EA63CDB6 - Object reference not set to an instance of an object...

How to troubleshoot PVS target device domain trust issue

Since both Citrix and Microsoft and 3rd party software can initiate changing password, sometimes the TD may lose domain trust. Reset machine password from PVS console can solve the issue, but sometimes we need to find out the root cause if too many TDs lose domain trust. This article aims to give...

How to disable "This Site is trying to open citrix workspace launcher" prompt when launch resource

"This Site is trying to open citrix workspace launcher" when launch resourcevia Edge or Google Chrome...

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...

WEM agent is not able to connect/synchronize with the WEM Broker Server

ISSUE: WEM Agent is not able to connect and synchronize with the WEM Broker servers ERRORS PRESENT: The WEM Agent session & Debug logs show the following error: Exception - AgentLocalCacheSync. : The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicati...

Android Secure Mail Error "THE VPN SERVICE HAS FAILED TO CONNECT"

Secure Mail users receive an error : The VPN service has failed to connect. In the Secure mail logs we find : "2017-03-21T15:30:42.260+0800","MDX-ErrorCodes","WARNING 3","ErrorCodes = 507 507 = Vpn "2017-03-21T15:30:43.946+0800","MDX-ErrorCodes","WARNING 3","ErrorCodes = 602 602 = VpnFailedOption...

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."...

Recommended Hotfixes for Citrix Hypervisor 8.2 Cumulative Update 1

This article contains the minimum set of hotfixes to install to get your Citrix Hypervisor 8.2 Cumulative Update 1 installation up to date. If you use theAutomated Updatesfeature of XenCenter, this is the set of hotfixes that are installed. Note : Citrix Hypervisor 8.2 Cumulative Update 1 reaches...

NetScaler-13.1-Error "Not logged in" is displayed in console or SSH session to NetScaler

You may see error "Not logged in" displayed in the console session to NetScaler and you are not able to run any commands in this console session. Similar issue may also happen with SSH session to NetScaler...

Citrix Virtual Apps and Desktops - Citrix.Monitor.exe memory leak

Citrix.Monitor.exe is gradually taking up ram memory on the Delivery Controller. Number of threads increases every day 200+. Memory usage is very high 1GB+. Process memory dump shows a lot of threads with ‘SendMessagesToPendo’ on the call stack...

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

Black artifacts appear within published applications...

Citrix End User Experience Monitoring service fails to start on the VDA

Citrix End User Experience Monitoring service fails to start. When you try to start the service manually you get the error: service started and then stopped. CDF trace from the VDA shows the event: SemsController,NotMetricRelated Failed to start with exception: System.Security.SecurityException:...

Licensed uberAgent still shows Evaluation Version splash screen at login

An operating system with uberAgent installed continues to show a splash screen during user login, stating the agent is running an Evaluation Version. The uberAgent.log file shows messages similar to the following: 2024-12-06 13:50:25.560 +0100,INFO ,WORKGROUP,SRV2016$,6372,LicenseCheck,Starting...

Hotfix XS82ECU1083 - For Citrix Hypervisor 8.2 Cumulative Update 1

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2 Cumulative Update 1 and is only available to customers on theCustomer Success Servicesprogram. Note: Citrix Hypervisor 8.2 Cumulative Update 1 reaches end of life on Jun 25, 2025. Upgrade toXenServer...

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...

NetScaler AppFirewall: Configuration, CEF logging, Signatures

Introduction This article provides a list of resources on how to Configure, investigate, troubleshoot, and prevent the most common issues with NetScaler AppFirewall. Overview of the Issue NetScaler web application firewall WAF provides comprehensive protection for web applications from various...

How to Successfully Test Citrix StoreFront Beacons Inside a Remote Desktop Session

This article describes how to successfully test the Citrix StoreFront Beacons functionality with Citrix Receiver 3.1 Standard or later when connecting to workstations using a Remote Desktop session RDP. By default, a configured Citrix Receiver 3.1 Standard or later with Beacons and stores always...

Citrix XML Services Configured for Farm Controller Fails to Respond to XML Service Transaction

Citrix XML Services configured for farm Controller fails to respond to XML Service transaction after installing Microsoft KB2919355 on Controllers. Uninstalling the patch KB2919355 on Windows 2012 R2 Controller resolves this issue...

How to Use Multiple Activation Key (MAK) Activation with Automatic Updates

This article describes how to use Multiple Activation Key MAK Windows OS Activation with Automatic Updates. Note: For Provisioning Server 6.x and 7.x environments, using vDisk versioning is the preferred method to update MAK-enabled image. MAK activation for Microsoft Office products isNOT...

Error "Failed to create the Credential Wallet replication channel" after Upgrading StoreFront to Version 3.0.0.44

After upgrading previous versions of StoreFront to version 3.0.0.44 the following issues can be seen. Event Viewer Applications and Services Logs Citrix Delivery Services log: Level: Error, Source: Citrix Credential Wallet Service, Event ID: 1, Task Category 2302 Error Text:Failed to create the...

KeyNotFoundException message is shown in storefront event log

The exception message below is thrown out in the event log of storefront VM. An unexpected error occurred retrieving the credentials. System.Collections.Generic.KeyNotFoundException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=bcc12aa61934e089 The given key was not present in the...

Hide "Virtual Disk status" icon from System tray on the endpoints

Disable the vDisk status icon from being displayed within the system tray on the endpoints after launching ICA sessions against PVS provisioned VDAs...

How to Extend CA Validity Period and Renew FAS Certificates

This article is designed to describe how to extend CA Validity Period and renew FAS Certificates...

Citrix FAS - Incorrect username and password

Incorrect username and password FAS After launching desktop when users tries to log on. No error on the certificates, no error in "Application" and "System" in the FAS server. VDA event logs Windows logs Security and looking for audit failure at the same time as the login failure: 0xC000006A| use...

Failed to Publish FAS Certificate Template with "RPC server unavailable. 0x800706ba"

Failed to publishFAS certificate Template with"An error occurred: CCertAdmin::GetCAProperty:RPC server unavailable. 0x800706ba". On Domain Controller,there is an error message in Event Log "RPCCAUTHNLEVELPKTINTEGRITY"and EventID is 10036...

PVS-1912 - Write cache redirected to server

Write cache redirected to PVS server during PVS Target Boot...

How to install to Citrix ADM a Server Certificate

Steps to install a Server Certificate on Citrix ADM...

XenServer Hardware Compatibility List Explained

This article provides an understanding of the Hardware Compatibility List HCL for Citrix Hypervisor and XenServer. This article also contains information about how products get qualified for inclusion in the HCL and what listing in the HCL represents from a support perspective. Background The...

How to Remove a DVD Drive from a XenServer Virtual Machine

This article describes how to remove a DVD drive from a XenServer virtual machine...

Windows 10 & 11 Compatibility with Citrix Virtual Desktops (XenDesktop)

With the release of the Windows 10 & 11 Operating Systems, Microsoft introduced a new way to build, deploy, and service Windows:Windows as a service. New features are packaged into Feature Updates. Bug fixes and security fixes are packaged into Quality/Feature Updates. These updates can be deploy...

StoreFront Site Connecting Through NetScaler Gateway Gets Stuck at "/cgi/setclient?wica" Page After Authentication

When accessing StoreFront site through NetScaler Gateway, StoreFront site gets stuck at "/cgi/setclient?wica" page after authentication...

Capturing a continuous network trace( tcpdump ) on XenServer without filling the dom0

In certain situation, we are not sure when will the issue be reproduced and need to keep the network capture running. If the capture is run directly, it may fill up the dom0 filesystem and can crash the XenServer Host...

How to Export and Install an SSL Certificate for StoreFront to Use HTTPS

This article explains how to export your existing SSL certificate, import the certificate to another StoreFront server, bind the certificate to Internet Information Services IIS, and configure StoreFront for HTTPS connections. This article assumes the following typical scenarios: You have created...