Sessions not logging out after enabling Shellbridge

Seamless sessions might not log off gracefully and leave sessions to be active in Citrix Studio or Citrix Director when using Citrix Virtual Apps and Desktops 2212 or later including Citrix Apps and Desktops 2402 LTSR. Starting with Citrix Virtual Apps and Desktops 2212 the Windows startup...

Citrix NetScaler ADC and Citrix NetScaler Gateway Security Bulletin for CVE-2026-88771, CVE-2026-88772, CVE-2026-88773, CVE-2026-88774, CVE-2026-88775, CVE-2026-88776, CVE-2026-88777, and CVE-2026-88778

Severity - Critical Description of Problem Multiple vulnerabilities have 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 a...

The digital signature on wfica32.exe is invalid (error: 1116)

Post upgrading the Citrix Workspace App to 2302 the applications are not launching. Error message while we launch the application. "The digital signature on wfica32.exe is invalid error: 1116"...

Citrix Hypervisor Security Update for CVE-2023-20593

Description of Problem AMD has released updated microcode to address an issue with certain AMD CPUs. Although this is not an issue in the Citrix Hypervisor product itself, we have released a hotfix that includes this microcode to mitigate this CPU hardware issue. This issue has the following...

CVE-2015-7547 - Citrix Security Advisory for glibc Vulnerability

Overview A vulnerability has been recently disclosed in the glibc getaddrinfo function. This issue could potentially allow an attacker to inject code into a process that calls the vulnerable function. The issue has been assigned the following CVE identifier: CVE-2015-7547: The vulnerable function...

Citrix Workspace app for Windows Security Bulletin for CVE-2023-24484 & CVE-2023-24485

Vulnerabilities have been identified that, collectively, allow a standard Windows user to perform operations as SYSTEM on the computer running Citrix Workspace app. These vulnerabilities have the following identifiers: CVE ID| Description| Vulnerability Type| Pre-conditions ---|---|---|---...

NOTICE of STATUS CHANGE ANNOUNCEMENT FOR NETSCALER Traffic Domain BASED FEATURES & FUNCTIONALITIES

Citrix Systems, Inc. announces a Notice of Status Change NSC for Citrix ADC Traffic Domain features and functionalities.Table 1 below explains Citrix ADC life cycle management milestones as well as important information about dates and options during this period. The dates and milestones provided...

Citrix XenServer 7.2 Multiple Security Updates

Description of Problem A number of security issues have been identified within Citrix XenServer 7.2 which could, if exploited, allow a malicious man-in-the-middle MiTM attacker on the management network to decrypt management traffic. Collectively, this has been rated as a medium severity...

Error: TDICA 1005/1007 and Sessions Disconnected/ Not Responding

Usersessions freezing / disconnecting. Network and performance has been checked and no issues found. However, TDICA 1005/1007 events are seen in the logs at the same time the error occurred. This might be a problem with flaky network connections between the ICA clients and the VDA servers Session...

Citrix Application Delivery Management Security Bulletin for CVE-2022-27511 and CVE-2022-27512

Vulnerabilities have been discovered in Citrix Application Delivery Management Citrix ADM that, if exploited, could result in the following security issues: Corruption of the system by a remote, unauthenticated user. The impact of this can include the reset of the administrator password at the ne...

Unexpected Error editing a layer, "The given key was not present in the dictionary."

You may find yourself unable to edit layers or publish images. These tasks fail in the App Layering Management Console with a cryptic message,"The given key was not present in the dictionary."...

Event ID: 28 "Could not contact any Federated Authentication Servers"

Users are unable to launch Citrix sessions from a FAS enabled store and observe the error - 'Cannot start desktop '. On the StoreFront servers, we observe Event ID: 28 stating - 'Failed to launch the resource 'XXXXXX' using the Citrix XML Service at address '??'. It was not possible to select a...

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

HTML5 Workspace App taskbar configuration...

Windows and Linux Virtual Delivery Agent for CVAD and Citrix DaaS Security Bulletin CVE-2023-24490

A vulnerability has been identified that impacts Virtual Delivery Agents for Windows or Linux used by Citrix Virtual Apps and Desktops and Citrix DaaS. The vulnerability affects the following supported versions of Windows Virtual Delivery Agent: Current Release CR Citrix Virtual Apps and Desktops...

XenServer and Citrix Hypervisor Security Update for CVE-2025-27462, CVE-2025-27463, CVE-2025-27464

Description of Problem Issues have been identified in the XenServer VM Tools for Windows that allow an attacker who has the ability to execute arbitrary unprivileged code within a guest Windows VM to compromise that same VM. This issue affects Windows VMs running on either XenServer 8.4 and Citri...

Citrix Hypervisor Security Bulletin for CVE-2022-23825 and CVE-2022-29900

AMD has disclosed an issue that affects AMD CPU hardware and may allow code inside a guest VM to infer the contents of RAM memory elsewhere on the host. Although this is not an issue in the Citrix Hypervisor product itself, Citrix is releasing hotfixes that include product changes to mitigate thi...

UviProcessExcludes registry setting disappears after Citrix VDA upgrade

After upgrading Citrix VDA, the UviProcessExcludes registry setting disappears...

CVE-2015-4000 - Citrix Security Advisory for DHE_EXPORT TLS Vulnerability

Overview A TLS protocol vulnerability has been recently disclosed that could result in attackers being able to intercept and modify SSL/TLS encrypted traffic to servers that support Diffie-Hellman based export cipher suites. This vulnerability is known as 'LogJam' and has been assigned the...

Citrix DaaS 2402 CU2 - MCS Catalog update fails with MDM error

StudioErrorId : ProvisioningTaskError ErrorCategory : NotSpecified TaskState : FailedToUnregisterMasterImageFromMdm TaskStateInformation : Terminated ErrorId : FailedToUnregisterMasterImageFromMdm Operation : ImagePreparation ErrorMessage : A problem was detected while unregistering from the MDM...

エラー番号 2306 が発生し、セッションの起動に失敗します

セッションの起動時にエラー番号 2306 が発生し、起動に失敗する場合があります。 エラーメッセージ： Citrix Workspace Configuration Manager: XXXXX.ica という名前のファイルが見つかりませんでした。インストールを確認するか、管理者に連絡してください。...

Citrix Workspace app for Linux Security Bulletin for CVE-2023-24486

A vulnerability has been identified in Citrix Workspace app for Linux that, if exploited, may result in a malicious local user being able to gain access to the Citrix Virtual Apps and Desktops session of another user who is using the same computer from which the ICA session is launched. CVE ID|...

Citrix SD-WAN Multiple Security Updates

Description of Problem Multiple vulnerabilities have been identified in the management interface of Citrix NetScaler SD-WAN physical appliances and virtual appliances. Collectively these vulnerabilities could allow an unauthenticated attacker with access to the management interface to compromise...

Citrix Application Delivery Controller, Citrix Gateway, and Citrix SD-WAN WANOP appliance Security Update

Description of Problem Multiple vulnerabilities have been discovered in Citrix ADCformerly known as NetScaler ADC, Citrix Gatewayformerly known as NetScaler Gatewayand Citrix SD-WAN WANOP appliance models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities,if exploited,could result ina...

Citrix Hypervisor Security Bulletin for CVE-2023-46838

Description of Problem An issue has been discovered that affects Citrix Hypervisor 8.2 CU1 LTSR and may allow malicious privileged code in a guest VM to cause the host to crash or become unresponsive. This issue has the following identifier: CVE-2023-46838 What Customers Should Do We have release...

Citrix License server unavailable on Studio with Error: XDDS:796F2703

The license server is marked as unavailable on Studio even though the license server is up and running The error received when trying to connect to the license server is as follows, An error occurred while retrieving the certificate for the license server at this address. Further error details ar...

Launch of Resources from CWA 2402,2403 or 2405 may fail if MSTeams Citrix plugin is installed

Affected versions : CWA release 2402, 2403 or 2405 When launching a published Desktop users are presented with a grey window momentarily. This then closes but shows connected in connection center Application launches will simply fail but the below error will be observed in the event logs In the...

[NetScaler] SDX reports "Appliance is running in grace" Error

SDX has instance license CNSINSTCCS checked from ADM. And SDX may report error "Appliance is running in grace. System will loose capacity after XYZ hours"...

Topaz Signature Pad as COM Port Device Disappears after Logoff

Topaz Signature will disappear after users log off on a kiosk workstation. The environment contained: Citrix Virtual Apps and Desktops version 2203 CUx Desktop of Server VDA, any supported OS Citrix Workspace App 2402 CUx Windows 10/Windows 11...

Citrix Hypervisor Security Update for CVE-2023-39368 and CVE-2023-38575

Description of Problem Intel has disclosed several security issues affecting certain Intel CPUs. Although these are not vulnerabilities in the Citrix Hypervisor product itself, for the convenience of our customers we are providing a hotfix that includes updated Intel microcode to mitigate these C...

Citrix Hypervisor Security Update

Several security issues have been identified in Citrix Hypervisor, that may each allow privileged code in a guest VM to cause the host to crash or become unresponsive. These issues have the following identifiers: CVE-2021-28704 CVE-2021-28705 CVE-2021-28714 CVE-2021-28715 All of these issues affe...

Citrix Workspace App: "An account is not configured. Please contact your administrator."

User sees a dialog box from Citrix Workspace: An account is not configured. Please contact your administrator...

"Citrix gateway plug-in for java is not supported" on all web browsers except IE

After upgrading ADCsoftware to 13.0 7+ The following isthe error message users will see on web browsers: Citrix Gateway Plug-in for Java is not supported. For further help or information, contact your help desk or system administrator."...

Citrix Hypervisor Security Update

Description of Problem Several security issues have been identified in Citrix Hypervisor formerly Citrix XenServer that may allow: unprivileged code in a PV guest VM to compromise that PV guest VM privileged code in a guest VM to cause the host to crash or become unresponsive privileged code in a...

How to update vCenter Server certification in Citrix environments

Outlines the steps of how to update vCenter Server certification in on-premises and Cloud DaaS Citrix environments...

Windows published desktop Signing out immediately after Logging on.

To reproduce error: 1. login to Store Front, and launch Desktop 2. New application window opens shows "Notice - Proprietary System" screen. Click OK. 3. Desktop launch begins: Starts to spin and login the user, "Please wait for Citrix Profile Management" 4. "Preparing Windows" and then goes to a...

Citrix Hypervisor Security Update

Description of Problem Several security issues have been identified that, collectively, may allow privileged code running in a guest VM to cause the host to crash or to become unresponsive. These issues have the following CVE identifiers: CVE ID| Description| Vulnerability Type| Pre-conditions...

Citrix Hypervisor Security Bulletin for CVE-2023-23583 and CVE-2023-46835

Description of Problem An issue has been discovered that affects Citrix Hypervisor 8.2 CU1 LTSR and may allow malicious privileged code in a guest VM to compromise an AMD-based host via a passed through PCI device CVE-2023-46835. In addition, Intel has disclosed a security issue affecting certain...

Citrix Hypervisor Security Update

A security issue has been identified that affects Citrix Hypervisor. This issue may allow privileged code in a guest VM to cause the host to crash or become unresponsive. The issue only affects systems with Intel CPUs where the malicious guest VM has had a physical PCI device assigned to it by th...

Citrix Hypervisor Security Update

Description of Problem An issue has been discovered in Citrix Hypervisor that, if exploited, could potentially allow an attacker on the management network to enumerate valid administrative account usernames. Note that this attack does not disclose the corresponding passwords and does grant not...

Citrix Hypervisor Security Updates

Description of Problem Modern CPUs contain random number generators that provide entropy randomness to the software running on those processors to use for purposes such as generating cryptographic encryption keys. Software can obtain entropy by using the RDRAND and RDSEED instructions. A security...

Citrix Files WebApp: How to Upload a File

This article describes how to upload a file to Citrix Files. In order to upload files, you must have the Upload permission on the destination folder. If you don't see the "Upload" option, you do not have the correct permissions and will need to contact your account administrator. TIP! Can't see t...

CVE-2014-0160 - Citrix Security Advisory for the Heartbleed vulnerability

Overview A vulnerability has been recently disclosed in OpenSSL that could result in remote attackers being able to obtain sensitive data from the process address space of a vulnerable OpenSSL server or client. The issue has been assigned the following CVE identifier and is also known as the...

uberAgent service startup fails with error 13

uberAgent service is not running. Attempt to start the service fails. Error message: Windows could not start the uberAgent service on Local Computer.Error 13: The data is invalid. uberAgent log file located in C:\Windows\Temp default location shows the errors: 2025-03-17 10:23:55.706...

Citrix Workspace app for Windows Security Bulletin CVE-2025-4879

Severity - High Description of Problem A vulnerability has been discovered that impacts the Citrix Workspace app for Windows. Affected Versions The vulnerability affects the following supported versions of the Citrix Workspace app for Windows Current Release CR Citrix Workspace app for Windows...

CVAD and DaaS: Troubleshooting missing logon duration in Citrix Director and Cloud Monitor

To troubleshoot missing logon duration information in monitor, please validate the prerequisites:https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/director/troubleshoot-deployments/user-issues/user-logon.htmlprerequisites Ensure Citrix Profile Management WMI Plug-in is installed:...

Citrix XenServer Multiple Security Updates

Important Note Due to concerns about the robustness of some of the Intel microcode updates included in the earlier hotfixes for these issues XS71ECU1009, XS72E013 and XS73E001, Citrix has superseded these hotfixes with new hotfixes listed below. Customers are strongly recommended to apply these n...

PVS configuration wizard error - Unable to communicate with license server

When upgrading the PVS farm to PVS 2402, PVS configuration wizard could not progress further if "Validate license server communication" was checked, displaying an error "Unable to communicate with the license server, or the license server version is not compatible with this version of Citrix...

Citrix XenServer Multiple Security Updates

Description of Problem A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of an HVM guest VM to compromise the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix...

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...

"Error: Not a privileged user” after Citrix Gateway authentication passed

After users input their username and password on the NetScaler Gateway login page, the URL redirects to the StoreFront SF URL. However, the application list fails to display, and an error message stating "Error: Not a privileged user" appears...