Citrix Cloud Error: "Invalid username, password or token"

A user cannot login to Citrix Workspace and receives the following error message: “Invalid username, password or token” when logging in...

[Citrix Gateway] Can't Launch ICA Desktop/App with Error: 2517

You may observe ICA launch failures with error: 2517 through NetScaler gateway ICA proxy vServer. The issue happens when EDTAdaptive transport is enabled randomly...

Citrix SD-WAN Center Security Updates

Description of Problem A command injection vulnerability has been identified in the management console of Citrix SD-WAN Center and NetScaler SD-WAN Center. This vulnerability could allow an unauthenticated attacker with access to the management console to compromise the host. A low severity...

Event id 1 "An error occurred running the command: 'Install-DSFeatureClasses' " while propagating changes after adding StoreFront Server to a Server Group

You may be unable to propagate changes after adding StoreFront Server to existing Server Group. The propagation fails with following event inCitrix Delivery Services event log: Log Name: Citrix Delivery Services Source: Citrix Configuration Replication Service Date: dd/mm/yyyy hr:min:sec AM/PM...

CVE-2018-7218 - Vulnerability in Citrix NetScaler Application Delivery Controller and NetScaler Gateway leading to arbitrary code execution and host compromise

Description of Problem A flaw has been identified in the AppFirewall feature of Citrix NetScaler Application Delivery Controller ADC and Citrix NetScaler Gateway that could result in arbitrary code execution and host compromise. The following vulnerability has been addressed: CVE-2018-7218...

FAQ: Citrix Secure Gateway/ NetScaler Gateway Secure Ticket Authority

Note : The same principles and concepts holds good for NetScaler Gateway as well. This article answers some frequently asked questions regarding the Citrix Secure Ticket Authority STA. The questions are divided into following four categories: Overview Q: What is the Secure Ticket Authority? Q: Wh...

Users prompted for the message "Please close your browser to protect your account"

When using Storefront and SAML or smart card authentication, after the user logs off or the session times out, if the user tries to log back in an error is displayed. With Smartcard the error is You cannot log on using a smart card Please close your browser to protect your account SAML...

Citrix Director Infrastructure Monitoring - Incorrect IIS Certificate Validity status

When admin checks Storefront metrics in Citrix Director under Infrastructure Monitoring, incorrect IIS Certificate Validity status is displayed. All other metrics are displayed correctly. Example: StoreFront Details: Storefront is configured with correct certificate and a certificate chain is...

Citrix License Server - Error "The License Activation Service entitlement could not be retrieved"

After upgrading the License Server to the latest version License Server 11.17.2.0, Build 51000, the following warning message is observed: "The License Activation Service entitlement could not be retrieved. Check your connection to License Activation Service and restart the web services used for...

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

Afterentering Citrix Gateway URL on Workspace and thenenteringthecredentials, the user encounters the following error: "Unable to add account with the given server URL. Ensure that it is correct or enter your email address"...

Error: Identity Assertion Logon failed Unrecognized Federated Authentication Service

Citrix FAS configured for authentication. Published Desktop or Published Application fails to launch with error: "Identity Assertion Logon failed. Unrecognized Federated Authentication Service"...

CVE-2017-9231 - XML External Entity (XXE) Processing Vulnerability in Citrix XenMobile Server 10.x and 9.x

Description of Problem An XML External Entity XXE processing vulnerability has been identified in Citrix XenMobile Server that could allow an unauthenticated attacker to retrieve potentially sensitive information from the server. This vulnerability has been assigned the following CVE number:...

Error: "Power State Unknown" "CDS_EVENT_HOSTING_FAILED_POWER_ACTION" in XenDesktop

Machines in Desktop Studio or Desktop Director display a Power State of Unknown. CDSEVENTHOSTINGFAILEDPOWERACTION The Citrix Broker Service detected that power action '%1' on virtual machine '%2' failed. This problem is most likely due to a host issue. Check that the configuration of the virtual...

Error: "License server is not connected" in Citrix Director

On the Director site, if you scroll down to check the connectivity of the CitrixLicense server to each of thecontrollers, it shows up as "License server is not connected"...

CWA Mac 2503: Launch Failure “no Citrix SSL server configured on the specified address”

Users who are on Citrix Workspace app for Mac 2503, attempting to launch Citrix sessions, may encounter a failure. The following error message is displayed to the end user: “No Citrix SSL Server configured on the specified address." as below...

How to Find Maximum Size of IP Data Payload that can Traverse WAN Environment Without Fragmentation

Citrix SD-WAN, formerly NetScaler SD-WAN This article describes how to find out the maximum size of IP data payload that can traverse a WAN environment without fragmentation. Background The CloudBridge acceleration parameters are sent through TCP options, which use the space in the IP data payloa...

High CPU utilization on the WEM Server

Norskale Broker Service.exe 1912 utilizes High CPU...

Citrix Secure Access client for Ubuntu Security Bulletin for CVE-2023-24492

Vulnerabilities have been discovered in Citrix Secure Access client for Ubuntu previously Citrix Gateway VPN client for Ubuntu. The following supported versions are affected by the vulnerability: Versions before 23.5.2 The issue has the following identifier: CVE ID| Affected Products| Description...

CVE-2017-14602 - Authentication Bypass Vulnerability in Citrix NetScaler ADC and NetScaler Gateway Management Interface

Description of Problem A vulnerability has been identified in the management interface of Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway that, if exploited, could allow an attacker with access to the NetScaler management interface to gain administrative access to the...

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-2014-4700 - Vulnerability in Citrix XenDesktop could result in unauthorized access to another user's desktop

Description of Problem A vulnerability has been identified in Citrix XenDesktop that could result in a user gaining unauthorized interactive access to another user’s desktop. This vulnerability affects a specific, non-default configuration of Citrix XenDesktop 7 all versions up to and including...

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...

NetScaler Error: "Unable to complete System File Update request" while saving custom portal theme

On the NetScaler GUI getting the error "Unable to complete System File Update request" while editing and saving the portal theme...

| Citrix Workspace App 24.x SSON fails and ssonsvr.exe not running on client

SSON fails with CWA 2402 and 2405.10 The logon to a session stops at the "other user" screen . It is also noticed that the ssonsvr.exe process is not running on the client...

Error code 1603 received when trying to upgrade Storefront

An error displays during Storefront upgrade "\CitrixStoreFront-x64.msi failed with error code 1603"...

Launching Citrix Studio results in Error Id: XDDS:62B4A47D

Launching Citrix Studio results in 'Reenter the Controller address or enter a new address.' withError Id: XDDS:62B4A47D...

"The network logon service was not started" when logging onto PVS Target Device via Console

When logon PVS Target Device TD via console, it throws below error: "An attempt was made to logon but the network logon service was not started." TD VDI is unregistered status in Citrix Studio...

EPA Scan failure on MacOS with error message "Error during unzipping libraries"

EPA scan failed on MacOS client withfollowing errors in "/Library/Application Support/Citrix/EPAPlugin/ " logs: Error during unzipping libraries NSAppleScriptErrorAppName = CitrixEndpointAnalysis; NSAppleScriptErrorBriefMessage = "unzip: cannot find or open 1/Library/Application...

How generate a Citrix Cloud bearer token and use it on a PowerShell API query

This article outlines the steps to generate a Citrix Cloud bearer tokenand use it on a PowerShell API query...

Adding ADC instance on ADM failed with error - Added unlicensed * that requires HTTPS connection

Adding NetScaler instance on ADM failed with error - Added unlicensed that requires HTTPS connection...

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...

CVE-2019-13609 - CRLF Vulnerability in Citrix License Server for Windows and VPX

Description of Problem A Carriage Return Line Feed CRLF injection vulnerability has been identified in Citrix License Server for Windows and VPX that could allow an unauthenticated attacker to bypass authentication and allow a malicious website to read or modify license server data of an existing...

CVE-2019-17366 - Citrix Application Delivery Management (ADM) Console Security Update

Description of Problem An authorisation bypass vulnerability was discovered in the Citrix Application Delivery Management ADM server. The vulnerability allows a Citrix ADM user with read-only privilege to access a managed instances with admin level permissions. The following deployment scenarios...

Failed to launch session "session_name". Error code: 2524 on Citrix Workspace App During App/Desktop Launch

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. The following error code is returned by the Citrix Gateway to CWA appwhen application/desktop launch...

How to troubleshoot “Cannot Start App” or “Cannot start Desktop” when launching an App or Desktop

Note: This is a master overview article. The solutions for each of the root causes is present in child articles shown in the following tables. The following error is displayed when launching an app “Cannot start App” or desktop: “Cannot start Desktop” Where to Start Troubleshooting Do you get the...

Citrix Receiver gives error "HDX Engine Stopped Working"

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 toCTX297149for more information...

CVE-2016-5433 - TLS Certificate Validation Vulnerability in Citrix iOS Receiver

Description of Problem A vulnerability has been identified in Citrix iOS Receiver that could result in TLS certificates being incorrectly validated. This vulnerability has been assigned the following CVE number: CVE-2016-5433: TLS Certificate Validation Vulnerability in Citrix iOS Receiver. This...

Resource has no available templates defined that are fully accessible by all hosts

When using the Citrx Virtual Desktop Setup Wizard in PVS to create a catalog, you get an error after choosing a host resource. Error : Resource has no available templates defined that are fully accessible by all hosts...

How to Create an ICA File with Minimal Parameters

To create an ICA file with minimal parameters set, complete the following procedure: 1. Download theICA file from this article. 2. Copy the content from this file into anICA file. 3. Update theusername orpassword parameter with the relevant username and password that you use in your environment...

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...

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...

CVE-2017-7219 - Heap Overflow Vulnerability in Citrix NetScaler Gateway Could Result in Arbitrary Code Execution

Description of Problem A heap overflow vulnerability has been identified in Citrix NetScaler Gateway that could allow a remote, authenticated user to execute arbitrary commands on the NetScaler Gateway appliance as a root user. The following vulnerability has been addressed: CVE-2017-7219 High:...

CVE-2016-5302 - Citrix XenServer Security Update

Description of Problem A security vulnerability has been identified in XenServer 7.0 that may allow an attacker on the management network who is in possession of Active Directory credentials for an AD account that is not authorised to manage a XenServer host to compromise that host. The following...

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...

NetScaler RDP proxy -14.1- How to configure RDP proxy with RDS server

This article explains how to configure an RDP Proxy Gateway with an RDS server. Key Points to Note: -If you are using an RDS server, you will need an RDP server profile where the RDP IP is set as the RDS server IP. -For the RDP Host, enter the FQDN of the Gateway Virtual Server. This is required...

How to Enable Logging for Citrix Director

This article contains information about logging for Citrix Director. To learn about Citrix Director, please visit Citrix Documentation -Director...

Support for Audio over EDT Lossy protocol

IMPORTANT --- Audio over EDT Lossy loss tolerant mode for audio is currently in tech preview, and currently supported on Windows and Linux directly and with Gateway Service. Audio over EDT Lossy increases the user experience for real-time audio streaming and improves audio quality compared to aud...

[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...

SSON not working with Microsoft Edge, Google Chrome and Firefox . Message "No logon methods are available on this platform" is seen.

After logging on to Chrome,Edge or Firefox this message is seen. No logon methods are available on this platform" After browsing to the Storefront URL a screen appears asking to detect if Citrix Workspace App ininstalled . Then this screen is seen...

Filter Expressions for Wireshark When Using NetScaler Appliance

This article describes how to use filter expression for Wireshark to analyze the network packet trace recorded when using a NetScaler appliance. Filter Expressions for Wireshark NetScaler appliance inserts its own header called NetScaler Packet Trace, in the frame containing NetScaler specific...