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...

NetScaler Enters Grace Period After Reboot for 5 to 10 minutes

NetScaler Enters Grace Period After Reboot "Running in Grace. System will lose capacity after" for sometime...

Security Bulletins for XenServer

This article lists historic security bulletins published for XenServer 8.4. We recommend subscribing to security bulletin email alerts for timely notification of new bulletins. The bulletins advise about any software updates that have been published to address the issues. We highly recommend that...

How to Fix the Uninstall of StoreFront

This article describes how to fix the uninstall of Citrix StoreFront when installed using a non-English UI. When StoreFront is installed under these conditions, uninstall will fail with error code 1605, erroneously indicating the product is not installed...

Citrix Session Recording Security Bulletin for CVE-2023-6184

A vulnerability has been discovered in Citrix Session Recording, which, if exploited, may result in an authenticated user being able to perform an RCE. Affected Versions: The following supported versions of Citrix Session Recording are affected by the vulnerability: Current Release CR Citrix...

The Non-Maskable Interrupt Button on a NetScaler Appliance

This article contains information about using Non-Maskable Interrupt NMI button on a NetScaler appliance. Requirements Review the NetScaler MPXHardware Platforms and NetScaler SDX Hardware Platforms page, to verify the NetScaler platforms that have the NMI button. NMI Button If the NetScaler...

Citrix Hypervisor Security Update

An issue has been identified in AMD CPU hardware that may allow code in a guest VM to infer the value of in-memory data in other guest VMs. Although this is not an issue in the Citrix Hypervisor product itself, Citrix is releasinghotfixes that include mitigations for this hardware issue. This iss...

Joining Storefront to Server Group Error "Cannot Join Server Group"

Error when trying to add second SF server to existing group: "Cannot join server group There was a problem connecting to the authorizing server. Verify the server name and try again." Joining Storefront Server will show the following Event under "Citrix Delivery Services Logs " Log Name: Citrix...

ADC: ICMP Timestamp Request Remote Date Disclosure Vulnerability (CVE-1999-0524)

Vulnerability scan is flagging NetScaler device as vulnerable to ICMP Timestamp Request Remote Date Disclosure Vulnerability CVE-1999-0524 even when an ACL already exists to block ICMP type 13 traffic...

Understanding the Citrix Telemetry Service

Understanding the Citrix Telemetry Service The Citrix Telemetry Service plays a crucial role in maintaining and optimizing the user experience of Citrix products. This feature is designed to collect diagnostic, performance, and usage data from Citrix products back to Citrix. The information...

"Connection timeout" error when launching Desktop sessions

Users are unable to connect to Desktop Sessions. All connections fail with status "Connection Timeout"...

Citrix MSI Log Analyzer

Citrix MSI Log Analyzer v1.2.0.9 Created Date: Dec 04, 2017 Updated Date:May 29, 2019 To help us improve the tool, please send your feedback tohttps://podio.com/webforms/18778954/1263577. Please note: You can download the required file from the Citrix downloads website by visiting the following...

How to check MAC address for interfaces of SDX device

To find the mac address for SDX device interface...

How to Enable and Collect Logging for Citrix Workspace App (CWA) for Mac

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. Citrix Workspace App CWA for Maclogging This article provides an overview of logging features...

Driver Disk for Emulex lpfc 14.4.393.31 - For XenServer 8.4

Who should install this driver disk? Customers running the XenServer 8.4 release who use Emulex's lpfc driver and wish to use the latest version of the following: Driver Module| Driver Type| Version ---|---|--- lpfc| Fibre Channel HBA/Storage Controller| 14.4.393.31 Required firmware versions The...

Resetting SDX Xenserver password if Xenserver is 7.1 and above with xe-serial option

If we have to reset SDX Xenserver password and if we do not have LOM access. we use the Xe-Serial option as mentioned below...

How to delete profile at logoff without profile saved on user store

Citrix Profile Mangement is often used with a shared storage, but some environments prevent the using of shared storage, and also want to use the function of delete locally cached profiles at logff in UPM. This article tells how to achieve this goal...

Citrix Hypervisor Security Update

Several security issues have been discovered in Citrix Hypervisor that, collectively, may allow privileged code in a guest VM to compromise or crash the host. These issues have the following identifiers: CVE-ID| Description| Pre-requisites ---|---|--- CVE-2021-28694| Host denial of service|...

CVE-2020-6175 - Citrix SD-WAN Security Update

Description of Problem An information disclosure vulnerability has been identified in the Citrix SD-WAN Appliance. This vulnerability could allow an unauthenticated attacker to perform a man-in-the-middle attack against management traffic. The vulnerability has been assigned the following CVE...

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...

CVE-2012-5161 - Vulnerability in Citrix XenApp could result in arbitrary code execution

Description of Problem A vulnerability has been identified in the XML Service interface of XenApp that could potentially be used by a remote, unauthenticated attacker to execute arbitrary code in the context of a service account on a XenApp server. The vulnerability could potentially be exploited...

Netscaler-13.1-Security scanner reported "Cacheable SSL Page Found" for gateway virtual server

Security scanner reported "Cacheable SSL Page Found" for gateway virtual server. The detailed content reported by the scanner is as below: ------------------------------ The application has responded with a response that indicates the page should be cached, but cache controls aren't set you can...

Users receive error "Try again after some time or contact your help desk" at login

While accessing ADC Gateway or Authentication page, in certain conditions users received one of these two errors: "Try again after some time or contact your help desk". "Malformed assertion sent to Netscaler" Users redirected to Login page. To validate this is the cause, you can check ADC syslogs...

Launch failure with CDViewer.exe crash on kernelbase.dll .Net Runtime with Workspace App 2305

Launching a published app or desktop using Workspace App for Windows version 2305.0 23.5.0 might fail with the following error seen in the Application event logs of the affected client, Exception 1 : CDViewer.exe ... System.Runtime.InteropServices.COMException ... Exception 2 : Failing applicatio...

Citrix SD-WAN Multiple Security Updates

Description of Problem Multiple vulnerabilities have been identified in the management console of the Citrix SD-WAN Center and NetScaler SD-WAN Center. Multiple Vulnerabilities have also been identified on the Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance. Collectively, these...

Citrix Cloud Connector Installation does not complete: Unable to validate certificate chain

Citrix Cloud Connector does not complete its initial installation or is unable to upgrade to the latest Cloud Connector version. The installation is blocked because it’s not able to validate the code signing certificate of the Citrix Cloud Components downloaded, which may be due to the certificat...

CVE-2013-6077 - Vulnerability in XenDesktop 7.0 Upgrade Could Result in Policy Bypass

Description of Problem A vulnerability has been identified in Citrix XenDesktop 7.0 that could prevent policy rules from being correctly applied following an upgrade from earlier versions of Citrix XenDesktop. This vulnerability affects deployments of Citrix XenDesktop that have been upgraded fro...

XenServer Security Update for Multiple Issues

Severity :High Description of Problem Several issueshave beenidentifiedthat affect XenServer 8.4 and XenServer 9. Collectively, these issues may allowa malicious privileged userin a guest VM to compromise or crash the host. Theseissueshavethe following identifiers: CVE-2026-42492XenServer 9 only...

XenServer Security Update for CVE-2025-27466, CVE-2025-58142, CVE-2025-58143 and CVE-2025-58146

Severity: High Description of Problem Several issues have been identified in XenServer 8.4 that collectively may allow privileged code in a guest VM to compromise or crash the host. These issues have the following identifiers: CVE-2025-27466 CVE-2025-58142 CVE-2025-58143 CVE-2025-58146 Affected...

Hotfix XS82ECU1086 - 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. All customers who are affected by the issues described inCTX693178 - Citrix Hypervisor Security Bulletinshoul...

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...

CVE-2019-11550 - Citrix SD-WAN Security Update

Description of Problem An information disclosure vulnerability has been identified in the Citrix SD-WAN Appliance. This vulnerability could allow an unauthenticated attacker to perform a man-in-the-middle attack against management traffic. The vulnerability has been assigned the following CVE...

How to reset Receiver or Citrix Workspace App using the command line

Sometimes it may needto reset Citrix Receiver or Citrix Workspace App to restore the default settings.This article explains how to reset Receiver using the command line...

How to update SAML certificate settings for Sharefile SSO using XenMobile

You can configure XenMobile and ShareFile to use Security Assertion Markup Language SAML to provide single sign-on SSO access to ShareFile mobile apps. For this you need to configure the SAML certificate...

Thinwire+ Support for H.264 Build-To-Lossless for transient content.

Introduction One of the features of Thinwire+ is “build to lossless” for transient content. This means that content such as3D or other moving imageryis initially displayed at low quality to improve frame rates and overall interactivity. Once user input has stopped, transient images are gradually...

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...

Citrix Endpoint Management (aka XenMobile Server) 10.16.0 Rolling Patch 3

Package name: xms10.16.0.10318.bin For: XenMobile Server 10.16.0 Deployment type: On-premises only Replaces: xms10.16.0.10205.bin, xms10.16.0.10108.bin Date: August 2024 Languages supported: English US Important notes about this update As a best practice, Citrix recommends that you install this a...

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...

Netscaler CVE & Security Guide

Introduction Begin with an introduction to the main issue topic, explaining its significance and how the hub article serves as a central resource for related information. Overview of the Issue Provide a brief yet comprehensive overview of the issue, outlining the common challenges and key points...

[Citrix NetScaler] Monitor DOWN with error: "No MIP/SNIP available to send the monitor probe"

You may see services DOWN with error "No MIP/SNIP available to send the monitor probe". 216814 PPE-0 MonServiceBindingXXXXXXXXXX: DOWN; Last response: Failure - No MIP/SNIP available to send the monitor probe. Thu Dec 17 08:45:07 2020...

Citrix Health Assistant - Troubleshoot VDA Registration and Session Launch

Citrix Virtual Apps and Desktops, formerly XenDesktop, fits the enterprise need to bring both VDI and apps into a user-centric experience. Citrix Virtual Apps, formerly XenApp, fits the enterprise need to bring legacy apps into a cloud management environment. Citrix Health Assistantv1.8.3.71...

How to change the customized icon for published apps in Citrix Cloud using Remote PowerShell SDK

In On-prem environment the icon of a published application can be replaced through the Application properties GUI. However in Citrix Cloud customized icon replacement is not possible from the GUI. We can use Remote PowerShell SDK to get it changed...

CVE-2017-17382 - TLS Padding Oracle Vulnerability in Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway

Description of Problem A vulnerability has been identified in the Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway Packet Engine that could allow an attacker to exploit the appliance to decrypt TLS traffic. This vulnerability has been assigned the following CVE:...

CVE-2015-8277 - Citrix Licensing Security Updates

Description of Problem A vulnerability has been identified in Citrix Licensing that could allow a remote, unauthenticated attacker to crash the License Server and potentially execute arbitrary code on the server. This vulnerability affects the following products: Citrix License Server for Windows...

Citrix Director - Troubleshoot Monitor data source errors

Director reports Monitor data source errors...

Unable to Connect the Secure Web with the Error "Cannot open page"

Unable to open the internal pages from Secure Web. Error"Cannot open page"is displayed...

Citrix Hypervisor Security Bulletin for CVE-2020-35498

An issue has been identified in Citrix Hypervisor 8.2 LTSR CU1 Hotfix XS82ECU1008 only that may allow malicious network traffic to cause subsequent packets to be dropped. This issue has the following identifier: CVE ID| Description| Type| Pre-requisites ---|---|---|--- CVE-2020-35498| Malicious...

Audio Volume Persistence Tool

Description When a user reconnects to a XenApp session, all playback audio devices are reset to 100% volume level. Any playback volume settings previously made in the session are lost. This may also happen with a XenDesktop session. This tool restores the volume settings from values stored in the...

Citrix XenServer Multiple Security Updates

Description of Problem A number of security vulnerabilities have been identified in Citrix XenServer that may allow malicious code running in a PV guest VM to compromise the host and malicious privileged code running in an HVM guest VM to crash the host. These vulnerabilities affect all currently...

CVE-2016-2789 - Persistent Cross-Site Scripting Vulnerability in Citrix XenMobile Server 10.x Web User Interface

Description of Problem A Cross-Site Scripting XSS vulnerability has been identified in XenMobile Server 10.x. This vulnerability could potentially be used to execute malicious client-side script in the same context as legitimate content from the web server; if this vulnerability is used to execut...