Hotfix XS82ECU1078 - 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. All customers who are affected by the issues described inCTX692065 - XenServer and Citrix Hypervisor Security Update for CVE-2024-45818should install this hotfix. Note: This hotfix is...

New Teams Deployment Guidance for App Layering or User Personalization Layer(UPL)

Microsoft Teams 2.x has changed its installation method and now installs under C:\Program Files\WindowsApps. Based on those changes this article provides the specific steps for the deployment of the Teams 2.x in an App LayeringAL or User Personalization LayerUPL environment. For the most current...

Get-MonitorConfiguration returns an error after DDC/Site upgrade

When admin invokes a cmdlet: Get-MonitorConfiguration, the error is displayed: A database operation failed and could not be recovered : Reason ? CDF Control trace captured on the DDC shows the error: Monitor System Setting 'DisableGoogleAnalytics' exists in the database was loaded but not found i...

Create OS layer version fails when offload compositing is enabled

Issue : Creation of OS layer version fails, when 'Use Offload Compositing' option is enabled. Error : "The Compositing Engine failed to initialize after '00:20:00'" Console shows 'Waiting for the Compositing Engine machine to be ready', followed by 20 minute time out. ELM logs show...

How to check whether Citrix Licensing is in Grace Period using PowerShell?

This article describes how to use PowerShell cmdlets to check whether Citrix Licensing is in grace period and the number of hours remaining in the grace period...

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...

How to specify the drive letter for the MCSIO Write Cache disk

Setting a specific Windows Drive letter to the disk created by the MCS Write Cache mechanism MCS IO / MCSWCDisk...

How to remove HTTP Header with rewrite policy in NetScaler

This article describes how to deletespecific HTTP Request Header with rewrite policy in NetScaler...

Webcam Preview Test Application

Please note: You can download the required file from the Citrix downloads website by visiting the following link:https://www.citrix.com/downloads/citrix-tools Simple Windows UI application to test and troubleshoot Webcam redirection on Terminal Server and Workstation VDAs, as well as to check...

Fail to launch SF resources: SSL Error 59

Fail to launch SF resources: Unable to connect the server. Contact your system administrator with the the following error: SSL Error 59: The server sent a security certificate identifying "www.xxxx.com", the SSL connection was to "SRA.XXXXX.COM.CN"...

NSC: Citrix ADC MPX 8905/8905Z, MPX/SDX 8910/SDX 8910Z, MPX/SDX 8920/8920Z, MPX/SDX 8930/8930Z

Citrix Systems, Inc. announces a Notice of Status Change for the Citrix ADC NetScaler MPX 8905/8905Z, MPX/SDX 8910/SDX 8910Z, MPX/SDX 8920/8920Z, MPX/SDX 8930/8930Z The tables below explain the Citrix ADC life cycle management milestones as well as important information regarding dates and option...

Auto Redirection to Desktop/App list via Gateway stucked in "Detect Citrix Workspace app" page

To auto launch desktop, you should ensure Citrix Webhelper work as invoked mode to accessdesktop/app via Citrix Gateway, please refer toCTX221662 for more details. This need user to encounter "Detect Citrix Workspace app" page to check local installed Citrix Workspace app. If you do not see this...

PVS-1912 - Write cache redirected to server

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

EPA scan Fails. Error: Failed sending epaq

Error: Failed sending Epaq We will see following error in plugin logs: 2022-01-14 07:03:05.860 | Tid: 10876 | ERROR | nsstartepa | 1030 | Failed sending GET epaq. Return code: -4 2022-01-14 07:03:05.860 | Tid: 10876 | DEBUG | nsstartepa returning Failed sending epaq Following message will be seen...

MaxClient on Httpd

As highlighted athttps://support.citrix.com/article/CTX330728,it is possible for a malicious actor totemporarily disruptthe performance oftheManagementGUI, NitroAPI, and RPC communicationonCitrixADC, CitrixGateway, and Citrix SD-WAN WANOP Edition appliancesunlessthe appliancehas been...

How to install to Citrix ADM a Server Certificate

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

How to Enable HA Using XenServer CLI

This article describes how to enable HA using XenServer CLI. HA can be enabled on a pool using either XenCenter or the command-line interface. In either case, you will specify a set of priorities that determine which VMs should be given highest restart priority when a pool is over committed...

Error: "Profile Installation Failed A Network Error Has Occurred" during XenMobile iOS Enrollment

XenMobile iOS enrollment getting error "Profile Installation Failed A network error has occurred" iOS console logs show: Xens-iPhone profiled148 : Error MC: URL request to https://mdmxms.domain.net:8443/zdm/scep/sp-078435ec-0aed-4ba0-bb3d-be665934be12?operation=GetCACert&message=APPLEPROFILE...

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...

Event 4003 on StoreFront Servers

The following eventisdisplayed in the event viewer: First error message: Log Name:Citrix Delivery Services Source:Citrix Store Service Date:7/22/2016 12:05:09 PM Event ID:4003 Task Category: 12346 Level:Error Keywords:Classic User:N/A Computer:StorefrontSrv.Contoso.com Description: All the Citrix...

NetScaler Console and NetScaler SDX (SVM) Security Bulletin for CVE-2025-4365

Severity - Medium Description of Problem A vulnerability has been discovered in NetScaler Console formerly NetScaler ADM and NetScaler SDX SVM . Refer to below for further details: Affected Versions The following supported versions of NetScaler Console are affected: NetScaler Console 14.1 BEFORE...

Citrix DaaS: ICA Launch might fail because of Zone misconfiguration when Connectors are in LHC mode

Session Launch might fail because of Zone misconfiguration when Connectors are in LHC mode. The issue may occur if configured resources are in the Initial Zone. A Zone is equivalent to a resource location. When you create a resource location and install a Cloud Connector, a zone is automatically...

Citrix Virtual Apps - Mouse pointer looks big inside published application

Administrators might notice that in a multimonitor setup where the main screen is set to 200% scaling and the secondary screen to 100% scaling, when the published application is moved from the 100% scaled monitor to the 200% scaled monitor, the Mouse pointer size becomes bigger as expected both...

Citrix Provisioning - Configuration Wizard fails after upgrade to 2503

PVS Configuration Wizard fails with errors after PVS upgrade to version 2503. ConfigWizard.log located in C:\ProgramData\Citrix\Provisioning Services\Log on the PVS Server shows: ERROR:SqlException caught, Number = 207, Message = Invalid column name 'isXsProxyConfigRequired'. Updating server...

BlobTierInadequateForContentLength during Machine Catalog Update

The following error is seen while updating a MCS Machine Catalog after resizing the size of the Master VM disk. Exception: StudioErrorId : ProvisioningTaskError ErrorCategory : NotSpecified TaskState : FailedToCreateImagePreparationVm TaskStateInformation : Terminated ErrorId :...

Enabling Core Dump Collection with ABRT on RHEL/CentOS

This KB outlines the steps to enable core dump collection for Linux VDA modulesctxgfx etc using the ABRT Automatic Bug Reporting Tool framework on RHEL/CentOS systems...

On Prem || FAS 2402 LTSR || FAS with intune certificate

Impacts and limitations of FAS with Intune certificate...

Session Recording 2402 - Sessions not getting recorded even though Session Recording is enabled

When the user logs on, users were not seeing the Session Recording notification and also the sessions did not get recorded. We can see some 0KB files on the server side. Session Recording policy was set to record sessions for all users with notification. Session Recording Agent was configured to...

uberAgent service stops after a few seconds

Windows' Services console shows that uberAgent service is not running. When manually started, the service starts and stops after a few seconds. uberAgent log file located in C:\Windows\Temp default location shows the issue with network driver startup. Example: 2025-03-01 17:28:33.013 +0200,INFO...

Microsoft Security Update Validation Report February 2025

Microsoft’s February 2025 security updates have passed Citrix testing the updates are listed below. The testing is not all-inclusive; all tests are executed against English only environments and issues may still be found upon implementation. Follow best practices for testing and installing softwa...

Duplicate or Excessive Data in the Site Database May Cause Delivery Controller Performance Issues

The Citrix Broker Service experiences memory usage spikes, with memory consumption increasing significantly over a short period. This may lead to degraded performance or instability on the Delivery Controller. Affected Environments : CVAD environments with manually provisioned VDAs or PVS VDAs...

TCP Ports get exhausted on the StoreFront server

StoreFront refuses to create connections and we get below events : Event ID 4231 : Request to allocate an ephemeral port number from the global TCP port space has failed due to all such ports being in use. Event ID 4227 : TCP/IP failed to establish an outgoing connection because the selected loca...

How to Enable and Configure the Windows DumpConfigurator Utility to Capture System Dumps

This article describes how to enable and configure the Windows DumpConfigurator Utility to Capture System Dumps. Requirements This utility supports Windows 2003, Windows 2003 64-bit, Windows 2008, Windows 2008 64-bit, and Windows 2008 R2.To download this DumpConfigurator Utility, click here...

Vulnerability in License Server and Snap-in for Desktop Studio, aka Heartbleed

Secure Configuration of Licensing Heartbleed Update In response to the recent Heartbleed vulnerability in OpenSSL CVE-2014-0160 Citrix released a security advisory, CTX140605, advising customers of its potential effects on some Citrix Licensing components. As part of the Citrix response to this...

Changing Farms Using the CHFARM Utility

This article provides guidelines and alternate references for the use of Change Farm command CHFARM within a Citrix environment. CHFARM Usage The CHFARM utility is used to change the farm membership of a Citrix Server. Background You can use the command line CHFARM when you want to modify the far...

NSC: NetScaler (Citrix ADC) MPX/SDX 26000Z-50S, MPX 15000Z-50G FIPS

Citrix Systems, Inc. announces a Notice of Status Change for the NetScaler Citrix ADC MPX/SDX 26000Z-50S, MPX 15000Z-50G FIPS The tables below explain the NetScaler Citrix ADC life cycle management milestones as well as important information regarding dates and options during this period. The dat...

Linux VDA launch gets stuck on blue\black screen after enabling FAS

When connecting Linux VDA using FAS authentication, the machine gets stuck on blue\black screen forever and the mouse cursor remains as X. On HDX Log: Following pattern repeats many times during this time. 2023-11-15 14:17:32.669 citrix-ctxlogin: : Logon Type Federated Authentication Logon...

"Cannot complete your request." After Azure AD/SAML Authentication

External access via ADC with Azure AD MFA Authentication and redirected to StoreFront Store Receiver for Website receives "Cannot complete your request." notification. The following Event IDs are displayed in the Log Name: Citrix Delivery ServicesSource: Citrix Domain ServicesDate:Event ID: 1Task...

How to connect to Xenserver/dom0 and SVM on a SDX

Demonstrate how to connect to XenServer/dom0 and SVM on an SDX via CLI & GUI...

Graceful Logoff from a Published Application Renders the Session in Active State

Graceful logoffs from a published application launched in a seamless, fixed window, or as an RDP Initial Program, might result in the session not closing and the user being logged off. Sessions can be reset or exited correctly by manually resetting them, or by terminating remnant user processes i...

Citrix Client SSL Error Codes

This article provides information on Citrix Client SSL Error Codes. To assist with troubleshooting, Citrix Technical Support has compiled a list of generic SSL error codes that the Citrix client might present the user or write in the Event log when an error occurs. Important! This article is...

Windows 10 v1903 and v1909 – Citrix Known Issues

Microsoft releases software updates for Windows 10 twice a year through the Semi-Annual Channel. Microsoft released its Semi-Annual Channel called 'May 2019 Update' v1903 in May 2019 and released its nextSemi-Annual Channel called 'November 2019 Update' v1909 in November 2019. This article is...

Troubleshooting common issues with XenServer clustered pools and GFS2 SRs

XenServer uses GFS2 to make thin provisioning available by using block-based storage devices that are accessed through iSCSI software initiator or Hardware HBA. This article provides a guide for troubleshooting common issues when GFS2 SRThin Provisioning is being used in XenServer or Citrix...

Implementing Storefront SAML with Azure AD

The guide provides the steps to configure Storefront SAML with Azure AD...

How to Defragment a PVS vDisk with minimum downtime

The purpose of this guide is to instruct a PVS Administrator on the quickest way to perform a defragmentation process on a vDisk, while minimizing the amount of downtime incurred for the PVS Targets. It is important to note that, while this process can be performed without having to Power Down th...

How to Set Up Office with App Layering (Recipe)

Citrix App Layering - Microsoft Office Overview Microsoft Office is an application that is generally easy to install into a layer, and, if it will be used by itself, there are no complexities other than activation. If your organization's requirements are more complicated, then there will be more...

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...

Citrix NetScaler ADC and Citrix NetScaler Gateway Security Bulletin for CVE-2026-107406

Severity - Critical Description of Problem A vulnerability has been discovered in Citrix NetScaler ADC formerly Citrix ADC and Citrix NetScaler Gateway formerly Citrix Gateway. Refer below for further details. Affected Versions: The following supported versions of Citrix NetScaler ADC and Citrix...

XenServer Security Update for CVE-2025-62626

Severity: Medium Description of Problem A hardware issue has been identified in AMD Zen 5 CPU devices that may cause those CPUs to return a value of zero more frequently than statistically expected when asked to generate a random value. This may compromise e.g. cryptographic keys that are generat...

Session Freeze Randomly During a Teams Video Call

A User's Session may freeze for around 5-10 Seconds while participating in a Teams call with multiple participants with Simulcast enabled. The session will show no issues after rejoining the call after the initial freeze...