BlobTierInadequateForContentLength during Machine Catalog Update

The following error is seen while updating a MCS Machine Catalog after resizing the size of the Master VM disk. Exception: StudioErrorId : ProvisioningTaskError ErrorCategory : NotSpecified TaskState : FailedToCreateImagePreparationVm TaskStateInformation : Terminated ErrorId :...

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 -...

uberAgent - unable to upload data to Splunk in environment with restricted internet access

uberAgent data is not available on the Splunk dashboard. Agents are reporting correctly when Admins allow full internet access on the firewall. uberAgent log file located in C:\Windows\Temp default location shows the issue with CurlSend attempt, example: 2025-05-02 10:31:10.439...

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 Virtual Apps and Desktops - Unable to create/update catalog in Hyper-V Environment

When admin tries to create or update machine catalog, there is an error message displayed in Studio. Error details: Failed to update the master image associated with the provisioning scheme because the configuration validating is not successful. If you check the details: StudioErrorId :...

CWAL 2311 | Failed to register YUBI key on VDA desktop

Failed to register Yubi Key in workspace app for Linux.http://webauthn.io/webauthn.io registration works and onlyhttps://webauthn.me/debuggerwebauthn.me site registration fail...

SecureMail WorxMail for iOS unable to sync with Exchange

We are currently experiencing an issue affecting access to Secure Mail on iOS devices. Users are getting an error from SecureMail "Access to your company network is not currently available" SecureMail logs ======================== " 2025-04-20T01:15:42.139+0300 ",SecureMail,ERROR...

Citrix Virtual Apps and Desktops 2407 : Sophos Endpoint Agent gets loaded into ICA user session

Published app sessions are getting loaded with Sophos Endpoint Agent. This is seen under Workspace app Connection Center. Sophos Endpoint agent is getting loaded into all the Citrix ICA sessions. Citrix Workspace app Connection Center shows the "Sophos Endpoint Agent - Notification Icon". Sophos...

Microsoft Security Update Validation Report April 2025

Microsoft’s April 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 software...

Citrix policies filtered by Client IP address not applying after 2411

Citrix policies are applied using as filter IP address of the client The IP addresses defined are the ones of the endpoints who has Citrix Workspace App installed The policy worked correctly before upgrading VDA to version 2411 However, when the VDA is upgraded to version 2411 or newer, the...

Citrix End User Experience Monitoring service fails to start on the VDA

Citrix End User Experience Monitoring service fails to start. When you try to start the service manually you get the error: service started and then stopped. CDF trace from the VDA shows the event: SemsController,NotMetricRelated Failed to start with exception: System.Security.SecurityException:...

An error occurs when specifying the license server by IP address in Citrix Studio

In Citrix Studio, select Licensing from the left-hand tree and click Change License Server, when entering IP address in the "Change License Server" window that appears, the message "Connected to a trusted server" is displayed. However, when returning to Studio, the error message "Cannot connect t...

Netscaler sends Syslog messages for SSL Handshake with ””

Syslog messages sent from the NetScaler to the external Syslog Server includes unexpected occurrence of "\n" Interestingly, a pattern is seen where ”\n” is seen periodically after every 6 messagesor similar Need to know if this a normal behavior or it's an issue...

WEM Agents are not listed in Console and failed to register

WEM Agents are not listed in Console and failed to register, Citrix WEM Agent Host Service Debug.log and Event Logs shows the below exception. ConfigurationDataSourcesHelper.CheckAgentBrokerServiceClient : System.ServiceModel.Security.SecurityNegotiationException : The caller was not authenticate...

Citrix VDA - How to stop VDACEIP collection

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

Citrix Secure Access Client for Mac Security Bulletin for CVE-2025-1222 and CVE-2025-1223

Description of Problem Vulnerabilities have been discovered in Citrix Secure Access Client for Mac. Refer to below for further details: Affected Versions: The following supported versions of Citrix Secure Access Client for Mac are affected: Citrix Secure Access Client for Mac versions BEFORE...

NetScaler Console and NetScaler Agent Security Bulletin for CVE-2024-12284

Description of Problem A vulnerability has been discovered in NetScaler Console formerly NetScaler ADM and NetScaler Agent. Refer to below for further details: Affected Versions The following supported versions of NetScaler Console and NetScaler Agent are affected: NetScaler Console 14.1 BEFORE...

Netscaler Gateway: ERR_CONNECTION_RESET when Accessing Gateway Vserver

When accessing Netscaler Gateway, we see ERRCONNECTIONRESET on the browser. Further, when we take a packet capture on Netscaler, we can see the Netscaler resetting the connection with Reset Code Window 9821. Further on checking the reason for this reset, we can understand this is due to the SSL...

[NetScaler-AAA] MAC address EPA scan on macOS 15 may fail

If you have EPA policies to scan Gateway clients MAC address, it may fail after end users upgrading macOS to version 15. Log says, the MAC address predefined in EPA policy cannot be found. Log sample: 2024-09-26 15:54:30 Epa Failed2024-09-26 15:54:30 Case ID : 9fc302024-09-26 15:54:30 Epa log msg...

Citrix Director - Troubleshoot Monitor data source errors

Director reports Monitor data source errors...

WEM : Application shortcut display blank white icons

On the WEM Agent, custom application shortcut icons uploaded to the WEM Service are displaying as blank white icons...

Error "Failed to create the Credential Wallet replication channel" after Upgrading StoreFront to Version 3.0.0.44

After upgrading previous versions of StoreFront to version 3.0.0.44 the following issues can be seen. Event Viewer Applications and Services Logs Citrix Delivery Services log: Level: Error, Source: Citrix Credential Wallet Service, Event ID: 1, Task Category 2302 Error Text:Failed to create the...

How to Configure SQL Instances in XenMobile Server with custom port

This article provides information on how to install XenMobile Server XMS 10 to be configured on a SQL Instance with the custom port. Prerequisites Knowledge of SQL service accountcredentials with the appropriate role. Knowledge of SQL Server FQDN or IP. Knowledge of custom port for the SQL instan...

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...

SQLLocalDB event ID 512

The Delivery Controller event logs show numerous error Event ID: 512 Source: SQLLocalDB 14.0 The "DataDirectory" registry value is missing in the LocalDB instance registry key: 44A9EE4E-9BD8-4715-AD84-84FC18033127 The "DataDirectory" registry value is missing in the LocalDB instance registry key:...

Citrix Provisioning Server - Console User Domain Authentication Failure

While trying to connect to the server console from outside of the PVS server domain you may see an error: "Unable to connect to the Domain Controller if any or the default rootDSE. Error code: 21071225, message: Access is denied. Exception from HRESULT: 0x80070005 EACCESSDENIED, provider:." The P...

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...

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"...

Citrix Default Domain Services not running after rebooting StoreFront server

After rebooting StoreFront server, "Citrix Default Domain Services" service is going into Stopped state...

How to create a custom log when a user 'logs in' or 'logs out' of the Gateway session.

Demonstrate on Citrix Gateway How to create a custom log when a user 'logs in' or 'logs out' of the Gateway to a Storefront session...

[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...

Catalog Creation or Change Master Image fails when attempting to create ProvVM

Machine Creation Services actions, such as catalog creation, master image change, or adding additional VMs, may error unexpectedly for failure to create image preparation machine. CDF traces may indicate one of the following: "Error: creating virtual machine failed. AzureWriter-1 timed out while...

WEM: after upgrade , Agent does not register with the cloud infrastructure server

After running the configuration utility on the agent to migrate to the cloud WEM broker server it looses the connectivity. Checking theCitrix WEM Agent Host service debug logs show the below error Event - BaseBrokerClient1.GetConnectorAuthContext : Successfully acquired connector authentication...

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...

Hide "Virtual Disk status" icon from System tray on the endpoints

Disable the vDisk status icon from being displayed within the system tray on the endpoints after launching ICA sessions against PVS provisioned VDAs...

Unable to install Citrix FAS - Error ID: XDMI:EA63CDB6

Unable to install Citrix FAS 2209 on Microsoft server 2019 with error message : Error ID: XDMI:EA63CDB6 - Object reference not set to an instance of an object...

SAML authentication fails with PingFed IdP with error "There was a failure with the mapped account"

Users get the error: "There was a failure with the mapped account" when attempt to login to StoreFront URL after configuring SAML authentication on the StoreFront server with PingFed IdP When checked the Citrix Delivery Services event logs from SF, we see below error: The security token failed...

PVS - Imaging Wizard fails when creating Vdisk. Error after restart 'Imaging wizard did not restart'

When attempting to create a vDisk, the Imaging Wizard gets as far as requiring a reboot, but after the restart returns the error 'Imaging wizard did not restart'...

[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...

Get-BrokerController : Insufficient administrative privilege when ran via Remote POSH SDK

Issue using Get-BrokerController command when using remote POSH SDK with Citrix Cloud. Error : Insufficient administrative privilege...

Applayering:21.12 :Issues with applayering disk - Unable to finalize app layer Packaging machine error An error occurred while finalizing version

Unable to finalize app layer Packaging machine error An error occurred while finalizing version '1.0' of Layer 'Layer Name' on Packaging Machine 'Machine Name'. Please address this issue and retry: An unexpected system error occurred. Retry the operation or contact technical support...

MaxClient on Httpd

As highlighted athttps://support.citrix.com/article/CTX330728,it is possible for a malicious actor totemporarily disruptthe performance oftheManagementGUI, NitroAPI, and RPC communicationonCitrixADC, CitrixGateway, and Citrix SD-WAN WANOP Edition appliancesunlessthe appliancehas been...

Error:"resource already exists" When Installing a Certificate on NetScaler Appliance

When you install a certificate on the NetScaler appliance, the following error message appears: "resource already exists" Background When you create certificates, each certificate must have a unique serial number. Additionally, the certificate has the following components that help identify a...

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...

[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 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...

Event ID: 0 & Event ID:1 - Citrix Store cannot be created or added

Unable to create or add a store. Event ID: 0 & Event ID:1 Checking the event viewer on the Storefront server gives the following events- Also, unable to browse an existing store. "The webpage cannot be found."...

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"...

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"...

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...