Citrix License Server susceptibility to certain Apache CVEs

Citrix License Server may be flagged by vulnerability scanners as potentially impacted byCVE-2006-20001, CVE-2022-36760, and/or CVE-2022-37436. This is because Citrix License Server uses Apache version 2.4.54 inLicense Server version 11.17.2 build 42000 and older versions of Apache in older build...

CVE-2014-1910 - SSL Certificate Validation Vulnerability in the Citrix ShareFile Mobile Application for Android and the Citrix ShareFile Mobile for Tablets Application for Android

Description of Problem A vulnerability has been identified in the Citrix ShareFile Mobile application for Android and the Citrix ShareFile Mobile for Tablets application for Android that could result in SSL certificates being incorrectly validated. This vulnerability has been assigned the followi...

CVE-2018-18571 - Authentication Bypass vulnerability in XenMobile Server

Description of Problem A vulnerability has been identified in Citrix XenMobile Server that could permit an attacker to impersonate and take actions on behalf of any Mobile Application Management MAM enrolled device. The vulnerability has been assigned the following CVE number: • CVE-2018-18571:...

How to check MAC address for interfaces of SDX device

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

Hotfix XS82ECU1083 - 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. Note: Citrix Hypervisor 8.2 Cumulative Update 1 reaches end of life on Jun 25, 2025. Upgrade toXenServer...

FAS raises error "Server [*****$] is not authorized to assert identities using rule

After clicking the icon, the APP launch fails with following event log on FAS server Log Name: Application Source: Citrix.Authentication.FederatedAuthenticationService Date: 7/12/1999 10:10:04 AM Event ID: 101 Task Category: None Level: Warning Keywords: Classic User: N/A Computer: FASTEST.fasS.c...

CVE-2019-9548 - Citrix Application Delivery Management (ADM) Agent Security Update

Description of Problem A vulnerability has been identified in Citrix Application Delivery Management Agent that could allow an unauthenticated attacker with network access to the management agent interface to obtain sensitive information. Disclosed information could be used for privilege escalati...

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...

Recommended Hotfixes for Citrix Hypervisor 8.2 Cumulative Update 1

This article contains the minimum set of hotfixes to install to get your Citrix Hypervisor 8.2 Cumulative Update 1 installation up to date. If you use theAutomated Updatesfeature of XenCenter, this is the set of hotfixes that are installed. Note : Citrix Hypervisor 8.2 Cumulative Update 1 reaches...

How to troubleshoot PVS TD bootup error 'BNIStack failed,network stack could not be initialized'

In PVS environment, a very common error is the 'BNIStack failed' loop restart error During target device boot up, a 'BNIStack failed,network stack could not be initialized' occur, then target device had to reboot again, and the next new bootup encounter same error and reboot again and again. This...

Getting "Request not supported" while launching a published Desktop with FAS enabled

Launching of a published desktop fails when StoreFront server is configured to use FAS. You will get an error "Request Not Supported ". The below error may be seen in Kerberos event logs on the VDA when attempting to launch. 0x10 - KDCERRPADATATYPENOSUPP: KDC has no support for padata type Kerber...

BSOD with Error: "STOP 0x0000007E and CVhdMp.sys Error: BNIStack failed, network stack could not be initialized"

When attempting to boot Vdisks from Target device a BSOD occurs with the following message: STOP" 0x0000007E and CVhdMp.sys Error: BNIStack failed, network stack could not be initialized...

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...

Fail to launch session with Event ID6 error after changing display setting.

Launch session takes 67 seconds and then fails. Check the Event Log, there are several Event ID 6 Errors recorded. Error Message: Citrix ICA could not configure Thinwire and switch to the remote ICA display. Rebooting the workstation or logging in to the console will fix this...

"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...

Citrix FAS - Incorrect username and password

Incorrect username and password FAS After launching desktop when users tries to log on. No error on the certificates, no error in "Application" and "System" in the FAS server. VDA event logs Windows logs Security and looking for audit failure at the same time as the login failure: 0xC000006A| use...

CVE-2017-5933 - Vulnerability in Citrix NetScaler Application Delivery Controller and NetScaler Gateway GCM nonce generation

Description of Problem A flaw in NetScaler ADC and Gateway causes GCM nonces to be randomly generated, making it marginally easier for remote attackers to obtain the GCM authentication key and spoof data within a session. The following vulnerability has been addressed: CVE-2017-5933: Vulnerabilit...

NetScaler - Error "Registration of device failed" when adding license server.

After recently deploying and registering a NetScaler Console formerly ADM Agent and trying to add it as a license server on a NetScaler device you get the error "Registration of device failed Sending request to mgmtserver failed"...

How to create a PVS master target device on Hyper-V for Windows 11

The objective here is to creating a PVS master target device VM on Hyper-V, which can be used for both installing Windows 11 and also booting via PVS. Windows 11 has installation requirements which need both Secure boot and TPM available. Hyper-V VM options which are relevant here: Secure boot...

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...

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...

Enhanced SSO session may experience problem accessing network shares or group policy updates

You have configured configured Enhanced SSO for Citrix workspace app and you are either on Windows 10 or Windows 11 endpoints. When you launch a desktop session and try to access the domain shares you may encounter the below prompt for credentials - You can also repoduce this issue by accessing t...

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...

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:...

"An Account is not Configured" Displayed On Startup when AllowAddStore is set to N in Registry

Citrix Workspace app for Windows is being configured via command line arguments and then launched programmatically The following error is displayed: An Account is not Configured. Please contact your administrator...

How to Use Multiple Activation Key (MAK) Activation with Automatic Updates

This article describes how to use Multiple Activation Key MAK Windows OS Activation with Automatic Updates. Note: For Provisioning Server 6.x and 7.x environments, using vDisk versioning is the preferred method to update MAK-enabled image. MAK activation for Microsoft Office products isNOT...

UviProcessExcludes registry setting disappears after Citrix VDA upgrade

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

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...

Unable open PVS console: The specified authorization group does not exist

Unable open PVS console:The specified authorization group does not exist...

Apache vulnerability CVE-2006-20001 CVE-2022-36760  CVE-2022-37436 in License Server version 11.17.2

Apache/2.4.54 contains vulnerabilities and is used in the Citrix License Server version 11.17.2 build 41000. Security scans may raise the following CVEs: CVE-2006-20001 CVE-2022-36760 CVE-2022-37436...

How to disable "This Site is trying to open citrix workspace launcher" prompt when launch resource

"This Site is trying to open citrix workspace launcher" when launch resourcevia Edge or Google Chrome...

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...

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...

FAQ: What are the Difference Between WANOP, Standard and Enterprise Edition Licenses of NetScaler SD-WAN ?

Q: What is the difference between WANOP, Standard and Enterprise Edition license of NetScaler SD-WAN? A : With WANOPEdition License you can only have WAN Optimization feature which is applicable on NetScaler SD-WAN Version 7.x and below, 9.0.1, 9.1.0 +. With Standard Edition License you can only...

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...

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...

Enabling WPF Rendering for Citrix HDX on Multi-Session VDAs

Overview Windows Presentation Foundation WPF applications can leverage GPU acceleration in Citrix Virtual Apps and Desktops CVAD environments running Windows Multi-session OS. By enabling WPF rendering on the server’s GPU, this reduces CPU load and improves graphics performance for WPF...

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...

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

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DDC 2203 - How to manually remove the stale DDC from Database

Old removed DDC is listed under Zones alongside the two current DDCs. "Get-BrokerController" and database table 'chbConfig.Controllers' shows working DDCs...

[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...

Target device boot failure "EFI system partition (ESP) error: Unsupported, Streaming aborted"

This PC has UEFI instead of BIOS, by leveraging Booting from the NIC using DHCP. PVSNBPX65.EFI is already downloaded. Now the error is:" Boot from local disk. "EFI system partition ESP error: Unsupported, Streaming aborted" The error disappears if PC inserts a local hard drive...

Citrix Licensing - Cannot connect to the license server with error id "XDDS:796F2703"

Citrix Studio cannot connect to the License Server 11.17.2 build 51000. It reports "certificate is not trusted or valid" with Error Id: XDDS:796F2703...

Citrix DaaS - Unable to change Master image for the machine catalog

When attempting to use the "Change Master Image" option in the machine catalog properties, the process may fail with the following error: "Preparation of the Master VM Image failed. Make sure that the selected image is a supported OS and has a valid VDA installed" However creating a new catalog...

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...

XenMobile server fix for CVE-2023-48795,CVE-2023-51384, and CVE-2023-51385

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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...

Unable to launch ICA session due to wfica32.exe signature validation failure

After upgrading Citrix Workspace App to 2203 CU2 and 2210.5 and above in customer's client machine, ICA session became unable to launch. Specifically, ICA file can be downloaded but wfica32.exe never starts. The issue doesn't occur in the same client machine with Citrix Workspace App for Windows...

the PVS Target VMs cannot boot due to the following error message: --- Stop Code: SYSTEM THREAD EXCEPTION NOT HANDLED What Failed: CVhdMp.sys

The PVS Target VMs cannot boot due to the following error message: Stop Code: SYSTEM THREAD EXCEPTION NOT HANDLED What Failed: CVhdMp.sys...