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...

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2025-12101

Severity - Medium 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 affected ...

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...

DaaS - Change master image it fails with "ProvisioningTaskError"

Unable to update DaaS Machine Catalog - Access Machine Catalog "Change master image" it fails with "ProvisioningTaskError" ErrorMessage - HandleExplicitStorage Failed Error retrieving item from path ""...

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...

VDA 2203 OS Windows 11 || Username password incorrect with domain passthrough and SSON not working

Username password incorrect with domain passthrough and SSON not working...

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...

InstallEmbeddedBrowser=N param is not honored by CWA 2403

The installation process for Citrix Workspace App for Windows 2403 is unable to honor command line parameters correctly, causing Citrix Enterprise Browser CEB to be installed even when the switch “InstallEmbeddedBrowser” is set to “N” Example : CitrixWorkspaceApp.exe /silent InstallEmbeddedBrowse...

VDA registration failures after Cloud Connector rebooted for OS updates

Virtual Delivery Agent VDA machines fail to register after a Cloud Connector on version 6.92.0/4.349.0 restarts following an OS update. The event logs of the Cloud Connector will have the following events written prior to system restart and the registration failures: Source: User32 EventID: 1074...

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...

VMs fail to boot with error: "SR_BACKEND_FAILURE_46, The VDI is not available"

VMs fail to boot with error: SRBACKENDFAILURE46 ; The VDI is not available opterr='INTERNALERROR', 'Syserror\\n "/var/run/nonpersistent/forkexecd/executecommandgeterrc83846.log: Too many open files"';...

Update from 12.1 to 13.x getting Cannot Complete Request / gateway plug-in for java is not supported

When upgrading from version 12.1 to 13.0 and get "Cannot complete request" through NetScaler...

Store Creation Fails with "Set-DSNewClusterEnvironment" privilege related errors

The below error occured when the user is creating new stores on the Storefront server: Citrix.DeliveryServices.PowerShell.Command.RunnerInterfaces.Exceptions.PowerShellExecutionException: An error occurred running the command: 'Set-DSNewClusterEnvironment' Not possible to enable all the required...

How to check write cache disk usage from XenServer Hypervisor

How to check Write Cache Disk usage from XenServer hypervisor...

How to view the current EPA Plug-in version on ADC

This article describe how to view current EPA Plug-in version on ADC...

CWA Android : Citrix Workspace could not verify server or email address, Error code 437

CWA Android : Getting an error "Citrix workspace app could not verify the specified server or email address error code 437". when trying to logon to Workspace app for second time it shows this error...

Web Extension Required error when launching resources via HTML5 mode

You are not able to launch resources apps or desktops from browser due to a lack of web extension. If you see this modal dialog and are not able to launch application protected resource...

How to Configure an NTP Server on a NetScaler Appliance

This article contains information about configuring a Network Time Protocol NTP server on a NetScaler appliance. Background In the earlier releases of the NetScaler software, you need to manually edit multiple files from the shell prompt of the NetScaler appliance to configure an NTP server. The...

Secure Mail does not sync emails after upgrading to version 10.6.0

Emails are not syncing for users after the Secure Mail update to 10.6.0. We will see the following Socket errors in the logs: 2017-07-25T06:17:37.266-0400 AGTunneler INFO 4 -AGSocket connect:withPort: -AGSocket connect:withPort:: CallOriginalconnect errno = 36 - 'Operation now in progress', fd = ...

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...

Understanding and Configuring EPA Verbose Logging on Citrix Gateway

CLI Configuration Run the following command on NetScaler for PreAuth and PostAuth EPA logging: set vpn param –clientSecurityLog ON Note : For PreAuth and PostAuth logging, the vpn param MUST be used. If the clientSecurityLog is modified in a SessionAction whose Session Policy has a ClientSecurity...

XenServer Security Update for Multiple Issues

Severity: High Description of Problem Several issues have been identified that affect XenServer 8.4. These are: An issue that may, in some circumstances, allow a malicious privileged user in a guest VM to compromise the host. This issue has the following identifier: CVE-2026-23558 An issue that m...

HTTPS access to NetScaler Console is failed after installing a new certificate

HTTPs access to NetScaler Console failed after installing a new certificate from GUI System -Administration -Install SSL Certificate in NetScaler Console...

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 :...

NetScaler Gateway - App launch failure Error: "Session reconnection timeout"

Users attempts to launch an application externally via NetScaler Gateway and observed the below error Application launch fails consistently and the behavior is same with both web browser and the Citrix Workspace Application...

Citrix Secure Access Client for Mac Security Bulletin for CVE-2025-1222 and CVE-2025-1223

Description of Problem Vulnerabilities have been discovered in Citrix Secure Access Client for Mac. Refer to below for further details: Affected Versions: The following supported versions of Citrix Secure Access Client for Mac are affected: Citrix Secure Access Client for Mac versions BEFORE...

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 ...

CWA 2405: Application launch fails after upgrading to CWA 2405

After upgrading CWA to 2405 app launch may fail with "Internal error" or "Connection Timeout". The issue is seen more frequently while trying to launch multiple applications at the same time. The ICA file gets downloaded but after sometime, "Connection timeout" error is seen. Sometimes, the first...

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 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 change admin profile on Citrix NetScaler VPX instances configured in cluster

This article provides instruction to change the admin profile of a Citrix NetScaler VPX instance that is configured in a cluster on a Citrix NetScaler SDX appliance. Requirements Two Citrix NetScaler SDX appliances should be provisioned in advance with Citrix NetScaler VPX instances and they shou...

Unable to login to Citrix Cloud - Error: "incorrect username, password or token"

Unable to login to Citrix Cloud to access virtualized app. The error message "incorrect username, password or token" is displayed. The process of setting up MFA works perfectly, but once Authenticator App is paired and actual login attempted, it always fails...

FAS: Information about Microsoft KB KB5014754/CVE-2022-34691, CVE-2022-26931 and CVE-2022-26923

• SSO will fail while trying to launch published resources and users will get the error that "The username or password is incorrect". They will be able to manually authenticate after clicking OK on VDIs/published desktops but there might be issues with published applications. • FAS will be able t...

VDAs are still trying to register with old DDCs post changing the list of DDCs

Post changing the Delivery Controllers list, VDAs are still trying to register with the old Controllers. Deletes the old Delivery Controllers FQDN on "ListOfDDCs" key in "HKLM\Software\Citrix\VirtualDesktopAgent\Policy" registry and restarts the Citrix desktop service, however the VDAs are still...

WindowHistory Tool

Created Date: 03/22/2006 Updated Date: 09/29/2017 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 Navigate to your platform: WindowHistory64 4.0 for x64 Platforms| WindowHistory 4.0 for...

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...

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...

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...

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...

Error: "To Use Desktop Lock Feature, Make Sure Receiver is Installed and is Working Fine With Single Signon" While Installing Desktop Lock

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. Trying to install and activate Desktop Lock, but cannot get it to install. "To use Desktop Lock...

Browser is prompted to install Citrix Workspace lite.

Receiving prompt to install Citrix Workspace lite when accessing store URL When accessing workspace we see that as Citrix workspace lite However, the installed app is Citrix Workspace app...

NetScaler-13.1-How to implement authorization policy for Oauth user groups

In Oauth response, the user groups can be carried in the response with customized field. However, we can't relate the string of group to the group attribute of the user. We may have question for how to apply authorization policy for Oauth user groups. In this example, the default authorization...

User SID is displayed in Workspace UI after sign-in through SAML authentication

In the use case of SAML using Azure AD and AD identities for Workspace authentication, when end user sign-in Citrix Workspace, Workspace UI just shows a Security Identifier SID, instead of the user’s display name...

How to Test USB Device Driver Compatibility Using RDP Remote FX USB Redirection

To troubleshoot USB devices that may not function correctly using Citrix Generic USB Redirection. Such as devices that work correctly when redirected using Single User Desktop OS VDAs, but may not work correctly in Multiuser Server VDAs. A useful troubleshooting step is to test redirecting the...

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

Impacts and limitations of FAS with Intune certificate...

Citrix Virtual Apps and Desktops - Unable to launch APP-V application from the VDA

When user tries to launch published app-v application there is an error displayed: The application failed to launch. This may be due to a network failure...

Microsoft Security Update Validation Report April 2025

Microsoft’s April 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 software...

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"...