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...

Error: "32 authentication policies are already bound" While Binding Authentication Policy

When multiple policies two-factor are used for one virtual server with the total number of policies exceeding 32, there will be error message popping up "32 authentication policies are already bound"...

Windows 10 & 11 Compatibility with Citrix Virtual Desktops (XenDesktop)

With the release of the Windows 10 & 11 Operating Systems, Microsoft introduced a new way to build, deploy, and service Windows:Windows as a service. New features are packaged into Feature Updates. Bug fixes and security fixes are packaged into Quality/Feature Updates. These updates can be deploy...

Virtual Apps and Desktops: Logon Duration in MonitorData.Session Table shows "Null"

Logon Duration inMonitorData.Session Table in Monitoring Database shows "Null" value for all sessions and hence Director does not report Average logon Duration for Sessions. Restarting the Monitoring Service on Delivery Controllers does not fix the issue. We used the below scripts to ensure thatO...

How to Configure NetScaler Gateway Preauthentication EPA Scan for Domain Check

This article describes how to configure NetScaler Gateway preauthentication EPA scan for domain check...

Error code 0x00007E, BSOD, When Creating vdisk - BNIStack Failed, Network Stack Could Not Be Initialized

While capturing a new vdisk using the imaging wizard software you receive a BSOD. This occurs after the first reboot when the master image VM is switched to boot from the network via the local BIOS. The details of the stop error are: BNIStack failed, network stack could not be initialized. Error...

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"...

Windows Virtual Delivery Agent for CVAD and Citrix DaaS Security Bulletin CVE-2025-6759

Severity - High Description of Problem A vulnerability has been identified that impacts Virtual Delivery Agent for Windows used by Citrix Virtual Apps and Desktops and Citrix DaaS. Affected Versions: The vulnerability affects the following supported versions of Windows Virtual Delivery Agent for...

XenServer Security Update for CVE-2024-36350 and CVE-2024-36357

Severity: Medium Description of Problem AMD has disclosed several security issues affecting AMD CPUs. These CPU hardware issues may allow code in a guest VM to infer some active memory content of another VM that is running on the same host. Although these are not vulnerabilities in the XenServer...

NetScaler-13.1-Error "Not logged in" is displayed in console or SSH session to NetScaler

You may see error "Not logged in" displayed in the console session to NetScaler and you are not able to run any commands in this console session. Similar issue may also happen with SSH session to NetScaler...

ADC-13.1-How to support multiple domain SSO to StoreFront with user "distinguishedName" attribute

How to support multiple domain SSO to StoreFront from NetScaler with user "distinguishedName" attribute...

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...

CWA 2503 for MAC - Error “There is no Citrix SSL server configured on the specified address

Issue with a users who is unable to launch applications from Citrix Workspace for Mac. When trying to launch an application, the following error is displayed: “Failed to start. There is no Citrix SSL server configured on the specified address.” Issue only occurring for CWA Mac...

WEM External task not working when "run script " selected

External task configured using below option for "run script" In the WEM logs we could see below error 12:14:13 PM Warning - VuemExternalTaskExecutor.ExecuteExternalTask : External Task - Create User Cache Folder Id:3 - Unable to validate target file existence... 12:14:13 PM Exception -...

Citrix Studio error "A working machine creation service could not be found"

While accessing the studio we are having the following error "A working machine creation service could not be found "...

NetScaler Responder Policy not working as expected when LB is configured to use AAA

Having defined a Responder Policy for use and binding it to a Load Balancing virtual server, you find that Policy Hits are seen and Responder Action used only when no Authentication Host is configured on the Load Balancer. When using the Load Balancer with an Authentication Host configured for us...

Citrix WEM User Logon Service is causing logon delay

End Users are reporting high logon times After the Logon breakup from Citrix Monitor page, most of the time is being taken during the Interactive Session Phase When looked at the Logon process from the Desktop side, delay is observed at "Please wait for the Citrix WEM User Logon Service" stage...

Citrix VDA - How to stop VDACEIP collection

How to stop VDACEIP collection on the VDA. VDA: any version...

Microsoft Security Update Validation Report February 2025

Microsoft’s February 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 softwa...

Hotfix XS82ECU1081 - 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...

Hotfix XS82ECU1078 - 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. All customers who are affected by the issues described inCTX692065 - XenServer and Citrix Hypervisor Security Update for CVE-2024-45818should install this hotfix. Note: This hotfix is...

Citrix PVS rebalancing leaves target devices unresponsive with CheckPoint agent installed

Rebalancing PVS targets devices ends up with the target devices in an unresponsive frozen state. The only method to recover target devices is to force restart the target devices on the hypervisor. Customer validated all PVS servers are configured as PVS login servers. Target devices fail to...

Citrix Director - Troubleshoot Monitor data source errors

Director reports Monitor data source errors...

Workspace App for Windows shows "Fatal error during installation" while launching applications.

Note: 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 toCTX297149 for more information. After an .ica file has been downloaded during a launch attempt from browser, the following...

Purpose of CMSTART command

This article provides information about the command CMSTART. Purpose of CMSTART command Cmstart.exe is a process that runs when you log on to the XenApp server. It is called by winlogon. It is associated with Wfshell.exe, CltMgr.exe, and Icast.exe files. The cmstart is controlled by the following...

NSC: NetScaler (Citrix ADC) MPX/SDX 26000Z-50S, MPX 15000Z-50G FIPS

Citrix Systems, Inc. announces a Notice of Status Change for the NetScaler Citrix ADC MPX/SDX 26000Z-50S, MPX 15000Z-50G FIPS The tables below explain the NetScaler Citrix ADC life cycle management milestones as well as important information regarding dates and options during this period. The dat...

How to enable the picture copy/paste operations between CWA client and VDA

This article describes how to restrict the copy/paste operations between CWA client and VDA, only keeping the picture copy/paste enabled...

Teams - Error "Your Admin has restricted Access to the New Teams" in ICA session

When launching New Teams within Remote PC / ICA session, it seems to logon fine the first time. But when the user logs out and logs back in again to Teams the second time and any subsequent attempt, they see the following error message: "Your Admin has restricted Access to the New Teams"...

[NetScaler-Azure] NetScaler may RESET TCP connections randomly, RESET Code: 8201

NetScaler on Azure, you may observe that some TCP connections can be RESET by NetScaler unexpectedly, RESET code is 8201. For more information about Reset code, please see:Citrix ADC NetScaler Reset Codes reference...

PVS target devices will not HA failover to another PVS server.

PVS target devices will not HA failover to another PVS server. Targets devices will freeze until the original server they were streaming from is available again. HA related configurations can be checked: The vdisk should beconfigured to use cache in ram with overflow to local device hard disk, an...

NetScaler EPA scan fails on Mac OS Client

EPA scan fails on Mac OS client only, libs folder is missing in /Library/Application Support/Citrix. Note: Where the symbol indicates the relevant Mac OS user's home directory path...

Enabling NetScaler to forward original client source IP to backend server

This guide outlines the various methods available to ensure that the backend server is equipped to collect the original client IP through the NetScaler. The focus of this article lies in configuring the NetScaler to effectively forward the original client source IP to the backend server...

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...

WEM Console - A valid license server with appropriate licenses needs to be configured

When opening the WEM server this gives an error"A valid license server with appropriate licenses needs to be configured" The license server and port are correctly configured in WEM Infrastructure Service console The licenses have the correct SA DAte in Citrix Studio Servers are reachable over the...

WEM Agent error, "Only a single agent instance can be run within a session!"

Error showing from WEM Agent, "Only a single agent instance can be run within a session!"...

Fail to launch SF resources: SSL Error 59

Fail to launch SF resources: Unable to connect the server. Contact your system administrator with the the following error: SSL Error 59: The server sent a security certificate identifying "www.xxxx.com", the SSL connection was to "SRA.XXXXX.COM.CN"...

How to disable/enable a service (LB, GSLB, etc.) using the NetScaler's CLI

How to disable/enable a service LB, GSLB, etc. using CLI...

ADC 13.0 - Error : Please log on. The server met an error. Please try again or contact your administrator

Error after login to Citrix Gateway: "Please log on The server met an error. Please try again or contact your administrator" Logging in works fine internally through StoreFront server, but fails when trying to log on through Citrix Gateway. The session policy was noted to be looking for a referer...

Citrix PVS soap server service does not start and crashes after installing Microsoft January 2022 Updates (E.g. KB5008877 or KB5009546)

Since installing Microsoft January 2022 Updates like KB5009546 or KB5008877 the Citrix PVS soap server service doesn't start anymore. When trying to start this service it crashes right away. While this happens the Citrix PVS API service also stops working. Soapserver.exe crashes Event 1000 .net...

Failed to uninstall/install PVS target device software via SCCM or command line.

When using SCCM or using a command line, PVS target device installation failed due to filesystem filter driver CFsDep2.inf is not installed error...

Citrix CDFControl Tool

Description CDFControl is an event tracing tool geared towards capturing Citrix Diagnostic Facility CDF trace messages that are output from the various Citrix tracing providers. CDFControl v3.13.0.55 Created on: Mar 8, 2007 Updated on: December 10, 2024 Please note: You can download the required...

Symantec Endpoint Protection 14.2.5569 installation failure error, " symcorpuires.dll could not be found."

Facing issues while installing Symantec Endpoint Protection client 14.x while installing on App Layer.When trying to install 14.2.5569 version of SEP , it’s getting crashed. and post a reboot of the packaging machine, unable to search in icons or search box . Getting an error that says...

[Workspace App for Windows] - Display Issues when user re-docks their Notebook on the docking station and reconnecting to Citrix Session with Multiple Monitors

Scenario : Users using notebooks and working with full screen sessions without desktop viewer to access their Citrix session, aka mobile thin client. The users usually have a docking station and two identical monitors at their workplace. When these users come back from a meeting and re-dock into...

How to Sysprep PVS images before they are streamed to Target Devices.

Question: Is needed to run Sysprep on PVS images? Answer: It is not needed to run Sysprep on PVS/MCS images since they both have their own version/method built-in to Sysprep the images. Also, it is not recommended to run Sysprep on PVS or MCS machines since it is not needed...

How To Remove Old Session Recording Files From File Server And Database

As a part of normal maintenance, use the REMOVE command with additional switches to purge the database and the file structure of files. The purged files are based on the number of days configured using the RETENTION parameter For further information on the commands used in this article see the...

PVS targets experience BSOD: IRQL Not Less or Equal on targets created using XDSW when booting for the first time

PVS Target devices created using Xendesktop Setup Wizard are running in toa blue screen of death issue. The error message displayed on the BSOD screen shows the following message: Your PC ran into a problem and needs to restart. We're just collecting some error info, and then we'll restart for yo...

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...

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...

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...

ADC-13.1-Rate limit gets hit unexpectedly when a rate limit identifier is used in different policies

When we invoke one rate limit identifier from different polices, the rate limit gets hit unexpectedly. The example config is as below: add stream selector IPURLSelector HTTP.REQ.URL CLIENT.IP.SRCadd ns limitIdentifier LIMITIPURL -threshold 3 -selectorName IPURLSelectoradd audit messageaction...