Citrix ADC and Citrix Gateway Security Bulletin for CVE-2022-27509

A vulnerability has been discovered in Citrix ADC and Citrix Gateway which enables an attacker to create a specially crafted URL that redirects to a malicious website. This vulnerability has the following identifier: CVE-ID| Description| CWE| Pre-conditions ---|---|---|--- CVE-2022-27509|...

The license server found at this address is not compatible with this version of Citrix provisioning

Issue when connecting license server on Citrix Provisioning Configuration Wizard. The license server found at this address is not compatible with this version of Citrix provisioning...

What is Citrix ADC TCP retransmit timeout (RTO) value

You may need to know Citrix ADC's TCP retransmit timeout RTO for troubleshooting retransmission issues...

Troubleshoot Gray or Black Screen

Troubleshooting steps for gray / black screen: Problem| Solution ---|--- Check the event log when gray screen appears or seamless apps fail to launch| Error ID 1002CTX220418 Error ID 1005 and 1003CTX312452 Gray screen when launching Citrix Virtual Desktop with Citrix WEM Service Agent | CTX312240...

Driver Disk for Cisco enic 4.2.0.26 - For Citrix Hypervisor 8.2 LTSR

Who Should Install this Driver Disk? Customers running the Citrix Hypervisor 8.2 LTSR release who use Cisco's enic driver and wish to use the latest version of the following: Driver Module| Version ---|--- enic| 4.2.0.26 Issues Resolved In this Driver Disk Includes general enhancements and bug...

Cannot activate Microsoft Pinyin IME in Windows server 2016/2019/2022

Cannot activate Microsoft Pinyin IME in Windows server 2016/2019/2022 VDA if client keyboard layout set “sync only once” mode Following are the details of the error, 1. VDA OS is a Windows server 2016/2019/2022 English version. 2. CWA Windows set the keyboard layout to “Sync only once – when the...

Citrix Cloud: Unable to create Host Connection in Azure cloud Error: "No Citrix CC was found"

While creating host connection on Citrix Cloud user receives: Error "No Citrix CC was found, either on the site or for the required zone. At least one CC is needed for the site."...

ICA session freezes 8-10 minutes after session launch

ICA session freezes 8-10 minutes after session launch. The session remains active, only the display is frozen, for example keyboard typing will continue through to session. Users can successfully reconnect to the session and work again for similar time before the session again appears frozen...

What is the Recommended Way of taking a Trace on Citrix ADC.

Recommendation While taking a Trace on Citrix ADC...

How to update the certificate on Citrix ADC when the certificate is expired.

How to update the certificate on Citrix ADC when the certificate is expired...

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...

Secure Mail Issues with Android Push Notifications

SecureMail on android devices was not getting background push notifications, therefore users had to manually open SecureMail to check for email. When examining network traces from the ADC, we observe connections to certain Google owned IP addresses are being blocked...

App Layering - 2206 WMI applications relying on the Global Assembly Cache (GAC) fail to run.

WMI applications no longer work after upgrading to App Layering 2206. Specifically anything that uses the GACMSIL directory...

Microsoft Security Update Validation Report July 2022

Microsoft’s July 2022 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 Hypervisor Security Bulletin for CVE-2022-23825 and CVE-2022-29900

AMD has disclosed an issue that affects AMD CPU hardware and may allow code inside a guest VM to infer the contents of RAM memory elsewhere on the host. Although this is not an issue in the Citrix Hypervisor product itself, Citrix is releasing hotfixes that include product changes to mitigate thi...

Login schema unable to be configured and the SELECT button grayed out

When configuring nFactor authentication, user is unable to select login schema xml in GUI page. The "SELECT" button is greyed out. Like below screenshot...

CWA for Android: We were unable to tunnel through the proxy

Viewer of CWA for Android fail to establish connection to VDA with below given error message We were unable to connect through the proxy. Error - 0 Logs show following error logs 02-10 05:44:55.989 1117 28821 W System.err: Caused by: android.system.GaiException: androidgetaddrinfo failed: EAINODA...

Citrix ADC MPX/SDX Fortville NIC Err-Disabled when LLDP Is enabled on Peer Switch/Router

If Citrix ADC is connected to a switch/router via Fortville NIC For example 10G port on MPX 8900, interface will show UP for a moment then go to Err-Disabled state. Running "show interface" command on ADC, you can find ADC Fortville NIC is in Err-Disabled State, along with TX Stall andHang counts...

How to Configure RDP Load Balancing by Using Remote Desktop Gateway Server on NetScaler Appliance

This article describes how to configure the Remote Desktop Protocol RDP server load balancing by using a Remote Desktop Gateway server on a NetScaler appliance. Background A Remote Desktop Gateway server is a gateway that enables authorized users to connect to remote computers on a corporate...

Configure Enterprise File Shares to Use Microsoft Hidden Shares on Windows Server 2008

This article describes how to configure Enterprise File Shares on Access Gateway Enterprise Edition appliance to use Microsoft hidden shares and the %username% environment variable on Microsoft Windows Server 2008. Requirements Remote Desktop Protocol RDP or console access to the Windows Active...

How to Manually Configure Certificate Trust in Web Interface for NetScaler

This article describes how to import a root Certificate Authority CA into the NetScaler's trusted certificate store using the CLI. Setting up the certificate trust is necessary when deploying Web Interface for NetScaler in Gateway Direct Mode with the Authentication Point set to Access Gateway: A...

Shadow Options are Unavailable in the ICA Listener or Management Server Consoles

The shadowing options on the Advanced Connection Settings dialog box of the listener are unavailable or restricted. If the shadow options are unavailable, all options were restricted during installation. If some of the options appear and some do not, the missing options are the ones restricted...

While using FAS application launch fails with error "Cannot start app <Application Name>"

Application launch fails with error "Cannot start app ", Event ID 1 and 28 are logged on Storefront servers. Event ID: 1 Description: The Federated Authentication Server at: returned a server error: 1 for method AssertIdentity...

PVS : Failed to connect to the PVS API, error : Unable to connect to the remote server

PVS : Unable to connect to the PVS API, error - Unable to connect to the remote server...

How to apply pooled licenses to Citrix ADM

This article contains information on how to apply pooled licenses to Citrix ADM...

How to add pooled capacity licenses to ADM Service

This article provides information on how to add pooled capacity licenses on ADM Service...

VDA Registration in Citrix Cloud Explained

This article explains how to register your cloud VDA...

[CEM] Optional Solutions after Citrix QuickEdit EOL

You may need an alternative solution for securely editing documents on managed devices after Citrix QuickEdit EOL...

[CEM] MAM enrollment Fails in Authentication - Password window pops-up Repeatedly

When you enroll MAM to CEM server through Citrix Gateway, you may observe password box pops-up repeatedly without any error. It means your password is correct but SSO from Citrix Gateway to CEM server fails. Follow is the sample of Secure Hub's debug log. " 2022-06-22T14:50:06.638+0800 ",,DEBUG1...

VDA Registration Step by Step and Troubleshoot common VDA Registration Failures

This article explains step by step process of VDA registration and troubleshoot common VDA registration failure issues...

Intermittent Session Launch Failure with Active/Active StoreFront Server Groups

Users intermittently fail to receive ICA files from StoreFront when trying to launch a new session in the following circumstances all of the below conditions must apply: Multiple active StoreFront server groups are in use, connected by GSLB, configured either for direct access or authentication...

[Citrix ADC] How to change password for local user

This article describes the method to change password of local user on Citrix ADC...

Unable to access ADC GUI while CLI is accessible.

ADC GUI is inaccessible. Ping and CLI is working. /Var folder was normal. Internal services are UP. GUI is enabled for NSIPif not use command : set ns ip -gui enabled...

Citrix Hypervisor Security Update

A security issue has been identified in Citrix Hypervisor 7.1 LTSR CU2 that may allow privileged code in a PV guest VM to compromise the host. Citrix believes that there would be significant complexity in performing this attack in Citrix Hypervisor. The issue has the following CVE identifier:...

Unable to connect to the server. Contact ... with the following error (no error text available)

1: Via Third party proxy, Workspace report error when launching ICA file "Unable to connect to the server. Contact your systemadministator with the following error no error text available". 2: By PassThird party proxy,Workspace launching ICA file is successful...

[Citrix Gateway] "Cannot complete your request" error after adding EPA configuration

In Citrix Gateway deployment, You may encounter "Cannot complete your request" error if adding a new EPA policy in AAA vServer. For example, you have the following existing configuration to implement post EPA scan based on group name: add authentication Policy NoAuthGroup01 -rule...

SSL Scan from https://myssl.com/ Reports ADC SSL vServer TLS 1.3 is Disabled

If you perform an SSL scan fromhttps://myssl.com/, sometimes it reports TLS1.3 is disabled even if ADC vServer is correctly configured...

WEM deletes registry set by a GPO

Administrator restricted some application execution say PowerShell, Command Prompt through Group Policy which sets following registry and WEM delets it. HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun...

NTUSER.DAT does not unload from the VDA servers after user logoff

Cached local profile does not get deleted asNTUSER.DAT does not get unloaded...

Alt + PrtSc shortcut not working when using KeyboardEventMode = Unicode with a Japanese keyboard

In Citrix Workspace App for Linux, when using Unicode keyboard event mode with a Japanese keyboard, the Alt + PrtSc combination/shortcut does not work...

Citrix Hypervisor: ACPI Warning: Incorrect checksum in table [BGRT]

hostxxxx kernel: 9.091668 ACPI BIOS Warning bug: Incorrect checksum in table BGRT - 0x2B, should be 0x9C 20180810/tbprint-177...

How to configure Image portability service to migrate an Image to Azure Cloud?

How to configure Image portability service to migrate an Image to Azure Cloud?...

PVS-1912 - Write cache redirected to server

Write cache redirected to PVS server during PVS Target Boot...

CWA 1912 CU4 : USB component fails during installation

Citrix workspace is packaged and installation command is added - CitrixWorkspaceAppweb.exe" /SILENT /Noreboot ADDLOCAL="ReceiverInside,ICAClient,DesktopViewer,Flash,Vd3d,SSON,USB,AM,SELFSERVICE" /INCLUDESSON ENABLESSON=Yes DONOTSTARTCC=1 /ENABLECEIP=False ALLOWADDSTORE=Y...

Delay in launching Published Desktops for on-demand provisioned MCS VMs on Azure

It takes approximately 1 hour to be fully registered. Once the session launch is initiated, it takes between 5 and 10 minutes to start the VDA. In the boot diagnostics section, the VDA seems stuck at "Applying Computer Settings" as below:...

PVS Wizard fails to connect to Cloud

In the process of using a PVS Wizard, after entering your credentials to connect to Citrix Cloud, you might see this error: "Cannot connect to the Citrix Virtual Desktops Controller at : Citrix Virtual Desktops FullAdmin or MachineAdmin permission required." Following the below steps 1. If Remote...

Microsoft Security Update Validation Report June 2022

Microsoft’s June 2022 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...

su: nobody to pgxl in console

Citrix ADM instance constantly showing su: nobody to pgxl in console RCG-ISLBADM-PRI su: in promptechooff: tcgetarrt: Inappropriate ioctl for device RCG-ISLBADM su: nobody to pgxl...

Citrix Application Delivery Management Security Bulletin for CVE-2022-27511 and CVE-2022-27512

Vulnerabilities have been discovered in Citrix Application Delivery Management Citrix ADM that, if exploited, could result in the following security issues: Corruption of the system by a remote, unauthenticated user. The impact of this can include the reset of the administrator password at the ne...

RDP session fails to open, black screen appears briefly and the connection stops

Cannot start RDP session on VDA. A black screen appears briefly and the connection stops...