Citrix CDFControl As Service

The CDFControl utility is an event tracing controller or consumer for capturing Citrix Diagnostic Facility CDF trace messages displayed from various Citrix tracing providers. It is intended to troubleshoot complex Citrix-related issues, parse filter support, and collect performance data. To...

KeyNotFoundException message is shown in storefront event log

The exception message below is thrown out in the event log of storefront VM. An unexpected error occurred retrieving the credentials. System.Collections.Generic.KeyNotFoundException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=bcc12aa61934e089 The given key was not present in the...

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...

How to run a file system check XenServer root file system

This article describes how to run a File System check, the file system on XenServer Host in case where the file system is corrupted and need to be checked. To check and repair a file system in XenServer you can use the fsck command. Requirements XenServer Installation CD...

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...

VMs fail to boot with error: "SR_BACKEND_FAILURE_46, The VDI is not available"

VMs fail to boot with error: SRBACKENDFAILURE46 ; The VDI is not available opterr='INTERNALERROR', 'Syserror\\n "/var/run/nonpersistent/forkexecd/executecommandgeterrc83846.log: Too many open files"';...

Machine catalog updates failure with error the master VM as an invalid configuration

VMWARE Hypervisor When updating a particular machine catalog with a new master image, the operation fails early on with one of the following: "action name: updatemachinecatalogprovisiningscheme" "action name: MCUpdateMachineCatalog" Error : The master VM as an invalid configuration Same issue...

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...

How to check write cache disk usage from XenServer Hypervisor

How to check Write Cache Disk usage from XenServer hypervisor...

Auto Redirection to Desktop/App list via Gateway stucked in "Detect Citrix Workspace app" page

To auto launch desktop, you should ensure Citrix Webhelper work as invoked mode to accessdesktop/app via Citrix Gateway, please refer toCTX221662 for more details. This need user to encounter "Detect Citrix Workspace app" page to check local installed Citrix Workspace app. If you do not see this...

STIG V-218773 - Recycling IIS App Pools on Storefront Servers

Address STIGV-218773 compatibility with Citrix Storefront vis a vis of the virtual memory an application pool uses...

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...

Launched App Stuck In 1 Monitor When 4 Or More Monitors Are Used

When Published Apps are launched through Workspace App and the Endpoint Device is using 4 monitors or more, they always open in the main screen monitor, and once the Published App is moved to another monitor and is maximized, the Published App goes to the original monitor where it started. Whethe...

Citrix Workspace App - Duplicate published app icons showing up in the endpoints

The customer recently deployed CWA through all company’s workstations and created a GPO to push the Store to CWA in the machines He noticed after the deployment that the endpoints and CWA show a duplicate of each published app Also, CWA shows two stores of the same name...

Recommended configurations for Linux Thin Client when experiencing audio delays

Experiencing audio delays when using a Linux based thin client with a IP phone applications for example using Avaya...

Recommendations to Prevent PVS Write Cache from filling Up Too Fast

This article provides some recommendations to prevent the PVS Write Cache to fill up too fast. PVS Write Cache on RAM with OverFlow to HD improves the machines performance and it is the most recommended one. However, if the the HD dedicated to store Write Cache dumped from cache on RAM, this will...

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...

How to Remove a DVD Drive from a XenServer Virtual Machine

This article describes how to remove a DVD drive from a XenServer virtual machine...

How to Check Citrix Maintenance Program Expiration Dates

This article provides instructions on how to check the current expiration date of Subscription Advantage, Customer Success Services CSS, Appliance Maintenance, and Hardware Warranty memberships on Citrix product by using the My Account web portal. Background Customers can locate a list of license...

Overcommitting pCPUs on individual XenServer VMs

Citrix recommends that you do not run a VM with more virtual CPUs vCPUs than the number physical CPUs pCPUs available on the XenServer host. The number of pCPUs available to XenServer can change even after the installation of VMs. For example, through actual hardware changes, changes in the BIOS...

Debugging Layer Integrity Problems in Citrix App Layering

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Security Update for Citrix XenServer

Description of Problem A security issue has been identified within Citrix XenServer that may allow the malicious administrator of a guest VM to cause the host to crash. This issue affects Citrix XenServer 7.2 and Citrix XenServer 7.1 LTSR CU1. A CVE identifier is not presently available for this...

Secure Mail does not sync emails after upgrading to version 10.6.0

Emails are not syncing for users after the Secure Mail update to 10.6.0. We will see the following Socket errors in the logs: 2017-07-25T06:17:37.266-0400 AGTunneler INFO 4 -AGSocket connect:withPort: -AGSocket connect:withPort:: CallOriginalconnect errno = 36 - 'Operation now in progress', fd = ...

MAC Moves Observed on NetScaler When More Than One Interface is in Same VLAN

MAC moves observed on NetScaler when more than one interface is in same VLAN. The following entries are seen in newnslog: current time is Mon Jun 5 17:03:55 2017 Channel 0/1 has been muted conflict MAC 00:1d:45:24:b3:68 Channel 1/1 has been muted conflict MAC 00:1d:45:24:b3:68 current time is Mon...

Citrix Receiver for Windows shows Authentication Window or Receiver prompts periodically

Citrix Receiver for Windows authentication prompt and/or receiver prompt pops up randomly...

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 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...

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...

Citrix Director - Failure Reasons Troubleshooting Guide

Table of Contents Overview User Connection Failures Machine Failures Overview Citrix Director is a comprehensive monitoring and troubleshooting tool that integrates with XenApp and XenDesktop environments. The solution provides a single pane of glass for Citrix support and administrator teams to...

Bad performance over SSL protocol on NetScaler VPX 11.0 and VPX 10.5 release

Symptoms: Customer experiencing performance over SSL protocol on NetScaler VPX 11.62.10 in one arm deployment. Environment: We have NS VPX 1000 Platinum license no packet drops caused by rate limiting and it's config spec is 4vCPUs and 4GB of RAM, NIC 1000E full duplex speed. The NS appliance is...

How to Enable AuthManager logging in Citrix Workspace App for Linux

This article describes the procedure to enable AuthManager daemon logging which is responsible for Authentication of the client with the WebInterface/Storefront. This will be useful in troubleshooting Authentication Issues...

How to Capture SSL Master Keys When Running an nstrace on NetScaler

This article describes how to capture SSL master keys when running an nstrace on NetScaler Background From NetScaler 11.0-66+ and 11.1/12.0 all builds, the "start nstrace" command has a new parameter, -capsslkeys, with which you can capture the SSL master keys for all SSL sessions. If the...

How to Troubleshoot Virtual Delivery Agent (VDA) Registration Issues

Cloud Admins: Run the Cloud Health Check InstructionsandInstallationSelect Cloud Health Check from the dropdown OnPrem Admins: Run the Citrix Scout Health Introduction to Citrix Scout After running the CHC or Scout depending on your environment begin troubleshooting common root causes: 1. Check V...

How to fix Citrix DNE Installation and Other Issues

Citrix Gateway, formerly Citrix NetScaler Unified Gateway Citrix Virtual Apps, formerly XenApp, fits the enterprise need to bring legacy apps into a cloud management environment. This article describes how to fix Citrix DNE installation and other issues. Background Citrix Deterministic Network...

How to Set Up Windows ADFS Server to Test SAML Authentication with NetScaler Gateway

This article describes how to set up Active Directory Federation Services ADFS to integrate with NetScaler, test issues with SAML authentication using ADFS and exposes you to SAML authentication with NetScaler Gateway. Requirements Install Windows 2008 SP1 R2 configured in a domain 2008 R2 with S...

Error: "To Use Desktop Lock Feature, Make Sure Receiver is Installed and is Working Fine With Single Signon" While Installing Desktop Lock

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. Trying to install and activate Desktop Lock, but cannot get it to install. "To use Desktop Lock...

NetScaler-How to return a customized error page when the LB is Out Of Service

How to return a customized error page when the LB is Out Of Service in NetScaler...

After updating MCS Catalog no changes are made to the VMs in the catalog

MCS catalog can be updated with a new master image with no errors. Howver when the VMs are rebooted from the DAAS console the VMS are not updated with the new image...

uberAgent metrics for User Input Delay are not visible on Windows Server 2016

When utilizing uberAgent on Windows Server 2016, no metrics are received for User Input Delay...

Citrix Endpoint Management (aka XenMobile Server) 10.15.0 Rolling Patch 11

Package name: xms10.15.0.11117.bin For: XenMobile Server 10.15.0 Deployment type: On-premises only Replaces: xms10.15.0.11009.bin,xms10.15.0.10915.bin, xms10.15.0.10808.bin, xms10.15.0.10731.bin, xms10.15.0.10624.bin, xms10.15.0.10517.bin, xms10.15.0.10417.bin, xms10.15.0.10327.bin,...

GUI Issue - Unbinding the LogAction from Rewrite policy fails from GUI but works from Cli

Re-Write Policy is configured with a Log Action bound to it. When the Log Action is removed from the policy via the GUI, the policy is not actually removed. After hitting 'OK', there's no error, and the Log Action is still bound when checked again...

Webex App for VDI not optimized

Webex App for VDI is working with fallback mode, instead of VDI-optimized mode...

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 "...

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 :...

Citrix DaaS - Google Cloud Project (GCP) - Unable to create Machine Catalog Error

Step 1: image-export-ext: 2025-04-23T07:04:13Z Error running workflow: step ""export-disk"" run error: step ""wait-for-inst-export-disk"" run error: WaitForInstancesSignal FailureMatch found for ""inst-export-disk-image-export-ext-export-disk-9sv20"": ""ExportFailed: Failed to copy disk size...

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 - Unable to EDIT Published DualAdmin APP-V application in WebStudio

Admin cannot edit some of the published applications. Affected applications: Dual Admin APP-V Applications Error displayed: More details: Action Name: APPApplicationPropertiesException: StudioErrorId : UnknownError Error Source : CitrixAppVService Sdk Error Message : Cannot process command becaus...

NetScaler: Securing HA Management IPs and FQDN with SAN Certificates

Securing Management IP and FQDN for High Availability Citrix ADCs with SAN Certificates Ensuring the secure management of your Citrix Application Delivery Controllers ADCs in a High Availability HA setup is crucial for maintaining the integrity and confidentiality of your infrastructure. This...