Citrix Hypervisor Security Bulletin for CVE-2022-42316, CVE-2022-42317 & CVE-2022-42318

Description of Problem Several security issues have been identified in Citrix Hypervisor 8.2 LTSR CU1, each of which may allow a privileged user in a guest VM to cause part of the management service to become unresponsive, resulting in the inability to create new guests or modify the configuratio...

How to configure Email OTP without email ID registration

This article covers two kind of Email OTP authentication methods, which deployed in Citrix ADC Nfactor AAA virtual server. How to configure standard withemail ID registration email OTP How to configure simple without email ID registrationemail OTP...

PVS : The Stream service restarts periodically

Stream service restarts periodically...

PVS - Unable to add new machines to existing Catalog

Unable to add new target devices to existing catalog using Virtual Desktop setup wizard/Streamed Wizard...

How to manually upload Telemetry data to CIS

This article explains the steps required when manually uploading the Telemetry data to CIS. Prerequisites V11.17.2 build 40000 license server or newer You must disable the automatic data upload before choosing to upload manually. Perform the following steps on your IT-managed/on-prem license serv...

A System Reserved partition is visible in a vDisk when it is created using the Imaging Wizard.

Using the Imaging Wizard a new vDisk is created. A drive letter is assigned to the System Reserved partition and it is visible in the new vDisk. It is expected behavior by design. The System Reserved partition should be invisible to users. Before publishing the vDisk to target devices, the drive...

Error connecting to PVS Farm with Credentials from trusted domain using Selective Trust

When connecting to the PVS Farm "localhost" with credentials from a trusted domain, an error is thrown that reads: "Error Domain Controller" and "unable to connect to the domain Controller if any or the default rootDSE. Error code: 60075030, message: Access is denied Exception from HRESULT:...

ERROR : Dotmim.Sync.SyncException: SQLite Error 14: 'unable to open database file'.

On Broker machine event viewer : Dotmim.Sync.SyncException: SQLite Error 14: 'unable to open database file'. --- Microsoft.Data.Sqlite.SqliteException: SQLite Error 14: 'unable to open database file'. à Microsoft.Data.Sqlite.SqliteException.ThrowExceptionForRCInt32 rc, sqlite3 db à...

DNS resolution issue with new 13.0.86.17 client

ADC version 13.0.86.17, with 'Citrix Secure Access' VPN client the same version, shows as version 22.2.1.103 in the client. The old client was 13.0.58.30 shown as 21.3.1.2 1. Some users report that on the new client they cannot resolve any DNS record...

Error: "File too large" when upload customized login schema xml file to ADC

1. When add login schema via ADC cli, below erro will prompt: 2. When add login schema via, below GUI error will show:...

http request is blocked by http callout policy with blank web page

If the customer bind responder policy that refered http callout policy to ADC appliance global bind point. User's access to LB Virtual server will show blank page...

Responder policy cannot be evaluated for Citrix Gateway "/cgi/login" request

Responder policy cannot be hit for Gateway "/cgi/login" http requst even policy expression is evaluated as TRUE...

[NetScaler] Black Screen in launching ICA when enabling HDX Insight

Launching ICA through Citrix Gateway with HDX Insight enabled, you may see black screen issuerandomly for about 3040 seconds in the beginning of desktop view on Citrix Workspace App...

How to Generate a support file for ADC

This article shows users how to generate a support bundle from there ADC device...

SSON working if user uses a PIN to logon to client

SSON will not work with CWA Windows Client . Ssonsvr.exe will not launch when the user logs on to the client . SSONMChecker shows this error. SSONCheckerInstallationSingle Sign-on process runningThe Single Sign-on process is not running. Reboot the machine after installing Citrix Workspace to sta...

Why Secure Hub being an MDM Agent needs all these permissions.

Why Secure Hub being an MDM Agent needs all these permissions...

Upgrade fails due to /var partition filling.

ADC upgrade is failing due to /var folder filling. Checking the /var folder we notice that /var/partitions is taking up a lot of the space. Looking into this further we can see there are many .pdb files taking up space within directory/var/partitions//nscollectRRD...

Joining new DDC to Multi-Zone CVAD Site fails

New DDC join process to a multi-zone CVAD site spread across different datacenters fails. This happens at the step when each service on the new DDC tries to register with Citrix Configuration service...

"Cannot complete your request" when using SAML: FailedPasswordComplexity

CitrixAGBasic SSO failed when using SAML: FailedPasswordComplexity...

How to configure EPA with one-to-one correspondence between usernames and mac addresses

This article address a configuration sample toconfigure EPA with one-to-one correspondence between usernames and mac addresses...

Need to enter credentials multiple times via Workspace app access on MAC OS clients

The users need to enter credentials multiple times when using Workspace app to login to Gateway on MAC OS clients. Finally, the users still encounter the following error. Web access works well. MAC OS version:...

[VPN Plugin] Transfer Login keeps Loading with Non-English language setting

In Citrix Gateway VPN environment, you may observe the following issue when "Transfer Login": After clicking "Transfer" on Client VPN plugin, the button keepsspinning loading and stuck. Logs investigation show the following clues: Problem can only be observed in Non-English language setting Plugi...

Gateway logon page show blank page with 480 VPN LICENSE error

Unable to access Gateway logon page, browser will show blank page, in the developer tools or fiddler, you we see "480 VPN LICENSE error"...

Addition of new httpprofile parameter “allowOnlyWordCharactersAndHyphen”

The Citrix ADC appliance can now allow only word characters A-Za-z0-9 and hyphen - in the http request/response header names and if the request/response has any other characters in the header names the connection will be reset...

Microsoft Security Update Validation Report October 2022

Microsoft’s October 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 softwar...

HTML5 app launch doesn't work via Netscaler after upgrading the CVAD setup

Upgrade Xendesktop from 7.15 Cu8 to 1912 CU5 or above Could connect externally through ADC Netscaler using HTML5 when on 7.15 but not with the latest codes Connecting to the machines using HTML5 via direct storefront works fine App launch via workspace app works fine though ADC as well Only while...

[ADM Service]"failed with error Unable to set capacity" when allocate ADC licence in Cloud

The newly built ADC VPX could successfully onboarding to Cloud ADM Service. However, when allocate ADC VPX Instance and Bandwidth license to VPX in ADM service GUI page, opeartion failied with below error prompt: "Failed to set capacity. Reason:Command failed on ... Request to ... failed with err...

AlwaysOn VPN session is not re-established after sleep mode

When windows clients come out of Sleep mode and sometimes on boot, the Gateway VPN client is not connecting to the Gateway. This can usually be resolved by disabling/enabling the WiFi connection or rebooting the client machine. The Setup has "Always On " VPN mode and Machine-tunnel...

Alert || high memory usage - SDX

SDX high memory usage. Customer might see this on their device and might be receiving smtp alerts warning them of this...

Citrix Hypervisor Security Bulletin for CVE-2022-33748 & CVE-2022-33749

Several security issues have been identified in Citrix Hypervisor 8.2 LTSR CU1. These are: A malicious privileged user in a guest VM working in collaboration with a malicious privileged user in another guest VM can cause the host to crash or become unresponsive. This issue has the following CVE...

Citrix WEM - File Copy Operations fails when copying *.lnk file in the appdata directory of the user

File copy operations from a remote share to the user profile fails...

Notice Of Change Announcement For Citrix - Citrix SD-WAN

Citrix Systems, Inc. announces a Notice of Status Change for the Citrix SD-WAN product line SD-WAN 110-SE, SD-WAN 210-SE, SD-WAN 210-PE, SD-WAN 1100-SE, SD-WAN 1100-PE, SD-WAN 2100-SE, SD-WAN 2100-PE, SD-WAN 4100-SE, SD-WAN 4100PE, SD-WAN 6100-SE, SD-WAN 6100-PE, Advanced edition Add-On SKU, Clou...

CWA 2206 or Above: Citrix Published Applications Randomly Lose Focus Or Get Minimized

Citrix Published applications randomly lose focus, hide behind another window or become minimized when using Citrix Workspace App 2206 and above. This only happens when locally-installed Chrome or Edge browsers are also running on the user's local computer...

CVAD 2203 or 2206 Server OS VDA May Experience BSOD With BugCheck code 0x0000007e Due to Tdica.sys

A Server OS VDA may randomly experience a BSOD with BugCheck code 0x0000007e due to access violation by tdica.sys. The issue is seen post ugrading to CVAD 2203 LTSR , CVAD 2203 LTSR CU1, CVAD 2206. Issue is not seen withVDA 2112 and prior versions...

CWA for HTML5 "Multi-Monitor setup requires permission" message appears even with single monitor

Below message is seen after launching a session using the HTML5 client .Multi-monitor setup requires permission Do you want to give permission to use multiple monitors? The message is seebn even though there is only 1 monitor on the client device...

Microsoft Teams optimization on Citrix Workspace app for Chrome OS

Pre-requisites/System Requirements Why you should use Teams optimization Configuring Microsoft Teams optimization Caveats Troubleshooting Pre-requisites/System Requirements...

Unable to detect AD forest while creating machine catalog in Citrix DaaS

Unable to detect AD Forests with two domains abc.loc and xyz.loc in the Citrix Cloud environment while creating a machine catalog with below error - ErrorDetails":"Error Id: XDAPI:6E90CBED\r\n\r\nException:\r\nDesktopStudioErrorId : ExceptionThrown\r\nException : System.InvalidOperationException:...

Excessive grant frame usage in Windows xenbus drivers after version 9.1.3

A VM with 2 VBD, 8 vCPUs, 7 VIFs may consume over 90 grant tables, but ONLY consume 26grant tables when running with xen PV driver version 9.1.2. It will lead to virtual NIC initialization failure issue after Windows VM startup. Device manager shows NICs are notinitialized: Setupapi.log : Device...

BIOS Based Provisioning Services Target Devices Boot Slow Within VMware ESX

BIOS based Provisioned Target Devices boot slow through single IO. Background This symptom appears random. It may occur on a single vm boot or many, for example: five out of ten vm's may boot as expected and the remaining five may boot anywhere from 5 to 60 minutes later. After boot when the Targ...

Citrix Cloud - Display messages to users in cloud workspace

Need to be able to customize messages when users log into cloud workspace to inform when of any maintenance or planned outages...

NSC: Citrix ADC MPX 8905/8905Z, MPX/SDX 8910/SDX 8910Z, MPX/SDX 8920/8920Z, MPX/SDX 8930/8930Z

Citrix Systems, Inc. announces a Notice of Status Change for the Citrix ADC NetScaler MPX 8905/8905Z, MPX/SDX 8910/SDX 8910Z, MPX/SDX 8920/8920Z, MPX/SDX 8930/8930Z The tables below explain the Citrix ADC life cycle management milestones as well as important information regarding dates and option...

How to disable the static object cache for specific page of VPN Vserver

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[Citrix Gateway VPN] Cannot access intranet applications in VPN over Proxy environment

When you connect Citrix Gateway VPN. You may observe VPN establishment is OK but cannot access internal applications/networks when the following conditions both match: Client has proxy configured and VPN connection goes through Proxy. Client PC has an interface IP in 169.254.0.0/16 subnet Usually...

[Citrix Gateway] Client plugin of Window upgrade fails due to upgrade package issue

The client plugin fails to upgrade to the new one after upgrade ADC, following logs sample could be found in client plugin logs 15:36:32.432 | DEBUG | nsStartSSL called 15:36:32.432 | DEBUG | mNotifier0 15:36:32.447 | EVENT | Version mismatch 15:36:32.447 | DEBUG | RedrawActiveXWnd: 6:0...

Korean keyboard (101 key) Type 2 & 3 cannot be synced using “Sync only once” mode.

For Windows 10/11 as VDA, CWA Windows client machine uses Microsoft Korean IME with the Korean keyboard 101 key Type 2, or Type 3. The Citrix Workspace keyboard sync mode is configured as “Sync only once” in the Keyboard and Language Bar setting. Starting the Windows 10/11 Desktop/APP session, th...

ICA RTT data is missing - displayed as n/a in Director

ICA RTT data displayed as n/a in Director...

More data flow occupies by PVS server after NAS server failover

To improve NAS server high availability,NAS storage controllers are created as failover group to provide fault tolerance for hardware issues and maintenance tasks. Sometimes, if one NAS storage controller needs to shutdown for maintenance or corrupted due tohardwarefailure, it will failover to...

EPA failure (Access denied)

EPA failure with the following error seen in the logs: 2022-04-13 12:24:19.079 | Tid: 03344 | ERROR | downloadEpaLib | 296 | Failed to verify downloaded EPA library 2022-04-13 12:24:19.079 | Tid: 03344 | DEBUG | nsverifyfile: called 2022-04-13 12:24:19.080 | Tid: 03344 | ERROR | nsverifyTrustedCe...

Windows 11 22H2, 23H2 & version 24H2 – Citrix Known Issues

Microsoft releases updates for Windows 11 on an annual feature update cadence. Windows 11 feature updates will release in the second half of the calendar year. The updates released so far: Windows 11 2022 Update 22H2 Windows 11 2023 Update 23H2 Windows 11 version 24H2 October 2024 This article is...

[Citrix VPN] Citrix Secure Access Client for MacOS gets error: "Error while processing request"

When connecting Citrix VPN from the latest Citrix Secure Access Client for MacOS, you may see the following error message before login: Error while processing request. Contact your administrator. Errors in client logs: Jul 6, 2022 at 9:43:32 AM GMT+9 : No certificate extension matching Subject...