[NetScaler-Responder] Responder policy lead to Client "ERR_TOO_MANY_REDIRECTS"

You may want to redirect clients to a backend server's error page if a specific condition is met. The error page is hosted by the same vServer's backend service. You may configure the responder policy like below: add responder action RespErrorPageAct redirect ""/path/to/errorpage.html""...

XenServer and Citrix Hypervisor Security Update for CVE-2024-28956

Description of Problem Intel has disclosed a security issue affecting Intel CPUs. This CPU hardware issue may allow privileged code in a guest VM to infer some memory content of another VM that is running on the same CPU core. Although this is not a vulnerability in the XenServer or Citrix...

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

Black artifacts appear within published applications...

LogonUI.exe process hanging after logoff from multi-session VDA

When utilizing multi-session VDA with the Duo Security agent installed, users may close out the applications in an attempt to log off of the VDA but the LogonUI.exe process will hang. This will result in multiple Terminal Services sessions showing active with the same session number, but no user...

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...

Citrix Virtual Apps and Desktop - Configuration, Policies and Security.

Introduction This article is a summary of the top support articles related to Citrix Virtual Apps and Desktop product configuration, compatibility and security. It also provides information related to Citrix Policies: Common issues, configuration and troubleshooting. Top Knowledge Content Securit...

CVAD Workspace App (Windows, MAC, Linux)

Introduction This article is a summary of the top support articles related to CVAD Workspace App Windows, MAC, Linux Overview of the Issue Provide a brief yet comprehensive overview of the issue, outlining the common challenges and key points that will be addressed in detail in the linked content...

How to Configure a Promiscuous Virtual Machine in XenServer

This article describes how to configure a Virtual Machine VM running on XenServer to behave promiscuously on the network, that is, allow it to see all network traffic on the Physical Network Interface PIF. Certain applications, such as network diagnostic or performance monitoring tools, might...

How to mitigate the HTTP/2 Rapid Reset vulnerability (CVE-2023-44487) on NetScaler

Advise how to mitigate the HTTP/2 Rapid Reset vulnerability on NetScaler...

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

After adding Gateway URL on Windows Workspace, we can see below error: -------- Unable to add account with the given server URL. Ensure that it is correct or enter your email address --------...

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...

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 Responder policy to redirect http request to https

This article provide a Responder policy sample to achieve of redirecting http traffic to https for Content Switching Virtual Server with Responder policy in NetScaler. Policy is both applicable for http/ssl type Load balance virtual server...

Citrix Cloud - Setting admin timeouts in Citrix Cloud portal

Requirement to know what the current timeout limit is when using Citrix Cloud and if it is possible to change the limit with regards to a Cloud Studio Admin session. Need to be able to force the user to have to login again after a certain amount of time...

PVS-1912 - Write cache redirected to server

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

How to configure Microsoft Edge in an App Layering Environment

App Layering 2409 As of release 2409 of application layering Microsoft Edge is now only updated and managed from the OS layer revisions. You must keep Edge up to date when you are updating versions of Windows in the OS layer. Also, if customers had previously deployed Edge in an application layer...

Citrix Workspace app showing white screen, screen does not refresh, app resize issues on client machines running Intel Iris Xe-Treiber video driver

-Citrix Workspace App won’t load/refresh, it stays just white screen -It is possible to refresh the apps by resizing the workspace app, but that is not a viable solution. -All version of Citrix workspace app is affected 20, 21.3, 21.4 TP...

Netscaler Notice of Status Change Announcement for Classic Policy Based Features and Functionalities

Citrix Systems, Inc. announces a Notice of Status Change NSC for Citrix ADC Classic policy-based features and functionalities. The dates and milestones provided are in accordance with stated End of Life/End of Support policies for Citrix Systems, Inc. Citrix ADC Features & Functionalities Affecte...

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...

[Workspace App for Windows] - Display Issues when user re-docks their Notebook on the docking station and reconnecting to Citrix Session with Multiple Monitors

Scenario : Users using notebooks and working with full screen sessions without desktop viewer to access their Citrix session, aka mobile thin client. The users usually have a docking station and two identical monitors at their workplace. When these users come back from a meeting and re-dock into...

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...

UDAdmin.exe tool has been enhanced for better reporting and exporting of User Device License usage

Question: How to check license usage in Xendesktop/Xenapp with the enhanced UDAdmin.exe tool for reporting and monitoring? Answer: With License Server 11.14.0.1 Build 23101, some enhancements have been made to the UDAdmin command for better reporting of User Device License usage. The enhancements...

FAQ: VMAC Addresses for NetScaler VPX Appliance Hosted on VMWare EsXi

Q: Does a NetScaler VPX appliance hosted on VMWare EsXi support Virtual Media Access Control VMAC address configuration? A: Yes, a NetScaler VPX appliance hosted on a VMWare ESXi, supports VMAC configuration. To configure the VMAC addresses, enable the Promiscuous mode on the virtual switch. You...

XenServer Security Update for CVE-2026-23554

Severity: High Description of Problem An issue has been identified in XenServer 8.4 that may allow privileged code in a guest VM to compromise the host. This issue has the following identifier: CVE-2026-23554 Affected Versions This issue affects XenServer 8.4. Note that XenServer 9.0 is in Public...

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2025-6543

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

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...

Profile Management VHDX auto expansion doesn't work CompactVHDIterations set to 1

Citrix profile Manager is configured with profile containers with the entire profile contained in the container Profile container auto-expansion is enabled Profile container VHD compression is also enabled The number of logoffs to trigger VHD disk compaction is configured to 1 Under the above...

Director is not showing correct number of active sessions

Director is not showing correct number of active sessions. Number of active session in Studio console does not match with Director - Filters -Sessions option...

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:...

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...

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...

Citrix PVS rebalancing leaves target devices unresponsive with CheckPoint agent installed

Rebalancing PVS targets devices ends up with the target devices in an unresponsive frozen state. The only method to recover target devices is to force restart the target devices on the hypervisor. Customer validated all PVS servers are configured as PVS login servers. Target devices fail to...

Do CVE-2024-40725 and CVE-2024-40898 have an impact on XenMobile Server

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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...

How to generate a support file of an ADM Agent CLI and GUI.

Describe how to generate a support file of anon-Prem ADM Agent from CLI or GUI...

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...

How to remove Secure Hub from an Android device enrolled using Legacy DA mode

How to remove Secure Hub from an Android device enrolled using Legacy Device Administrator DA mode...

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...

PVS Configuration Wizard Crashes applying configuration

The PVS Configuration Wizard crashes and exits when applying configuration settings at the end of the wizard. This is visible in PVS Server application event logs, event IDs 1026 and 1000. Faulting application name ConfigWizard.exe...

Understanding Write Cache in Provisioning Services Server

This article provides information about write cache usage in a Citrix Provisioning, formerly Provisioning Services PVS, Server. Write Cache in Provisioning Services Server In PVS, the term “write cache” is used to describe all the cache modes. The write cache includes data written by the target...

PXEChecker for Citrix Provisioning Services

Description PXEChecker is tool designed to troubleshoot configuration and environment related issues during the PXE boot process in Citrix Provisioning Services PVS. PXEChecker has two different tests: 1. Legacy BIOS Test.- Simulates the PXE boot process and analyzes the DHCP options on the DHCP...

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...

Upgrading to Storefront 3.12 CU4 fails - MSI logs shows Citrix Protocol Transition service exception

When attempting to upgrade Storefront 3.12 LTSR to CU4 fails. In the Install wizard the following message is displayed: When checking the MSI Installer logs the following exception is found NOTE: MSI logs are found in C:\Windows\Temp\Storefront\CitrixMsi-CitrixStoreFront-x64-201X.-xx-xx-xx.log...

Database Creation Error when creating a new WEM database using a hyphen ("-") in the database name

When attempting to create a new WEM database when using a hyphen '-'in the name, an error appears saying "Database Creation Error". The Citrix WEM Database Management Utility Debug Log contains the following Exception: Exception - CreateVuemdb.Run : SqlDatabaseHelper. connection Error : 102 |...

How to Change Management IP and Default Gateway Using NetScaler CLI

This article describes how to change management IP address and add new default gateway address using NetScaler CLI. Changing the Default Gateway of the NetScaler appliance can only be done via the CLI. The NetScaler appliance can only have 1 Default Gateway defined at a time...

XenServer Security Update for CVE-2025-27465

Severity: Medium Description of Problem An issue has been identified in XenServer 8.4 that may allow privileged code in a guest VM to cause the host to crash or become unresponsive. This issue has the following identifier: CVE-2025-27465 Affected Versions This issue affects XenServer 8.4. Note th...

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...

NetScaler-13.1-How to remove the "Server" header in the response with rewrite policy

How to remove the "Server" header in the response which exposes the server type information...

DaaS-Hosting-Failed to update the master image associated with the provisioning scheme.

While changing Master Image in AWS throwing an error "Failed to update the master image associated with the provisioning scheme." Export of error details: Transaction ID: xxxxxxxxxxxxxxxxx Action Name: MCUpdateMachineCatalog Exception: StudioErrorId : ProvisioningTaskError ErrorCategory :...

Citrix WEM User Logon Service is causing logon delay

End Users are reporting high logon times After the Logon breakup from Citrix Monitor page, most of the time is being taken during the Interactive Session Phase When looked at the Logon process from the Desktop side, delay is observed at "Please wait for the Citrix WEM User Logon Service" stage...