“Unknown Client Error 1110” error when launching Desktop using Firefox

Update: This has been fixed in Citrix Receiver for Windows 4.9 LTSR CU1 and later.

Source code fix has been implemented in DesktopViewer.dll file.

Citrix is aware of this issue and will fix it in an upcoming version of Receiver.

A workaround is to save the ICA file to the disk every time prior to launching it, or to delete the ICA files from system TEMP folders before launching the app:

  • C:Users<username>AppDataLocalTemp
  • C:Users<username>AppDataLocalMicrosoftWindowsINetCache (Windows8 / 10)
  • C:Users<username>AppDataLocalMicrosoftWindowsTemporary Internet FilesLowContent.IE5 (Windows7)

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Citrix Print Manager Service crashes intermittently with the Exception code “0xc0000417”

Follow symptoms are observed:

1) Citrix Print Manager Service crash event is logged in the System event logs with Event ID 7031 and Source “Service Control Manager” with following description:

The “Citrix Print Manager Service” service terminated unexpectedly. It has done this (1..n) time(s). The following corrective action will be taken in 0 milliseconds: Restart the service

2) Application event logs report crash of CpSvc.exe with:

Faulting application name: CpSvc.exe

Faulting module name: MSVCR120.dll

Exception code: 0xc0000417

3) If you check the following registry, you will find Illegal characters or Null entries:

HKLMSOFTWAREPOliciesCitrix<User Session ID>userPrintingPolicies

User-added image

Deleting the above entries doesn’t fixes the issue.

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Secure Mail for Android in Spanish shows “M” for Wednesday instead of “X”

Software Solution Disclaimer

This package contains a software solution that has been replaced by a more recent version available for download from the Citrix support website (support.citrix.com). It is provided merely for your convenience. Citrix recommends applying the most up-to-date version of the software, which addresses the fix or enhancement being targeted. Later versions of the release may include multiple changes that address different areas including security vulnerabilities, code fixes, and enhancements. Installation of this software should only be performed on test or developmental environments. This software is not supported and is provided “AS IS.” You are solely responsible for your selection and use of the software. Any reported issues will require the most current revision of the software (http://www.citrix.com/English/SS/supportThird.asp?slID=5107&tlID=1861652). Please visit our security site for additional security notices and information (support.citrix.com/securitybulletins ).

CITRIX MAKES NO REPRESENTATIONS OR WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PROVIDED SOFTWARE SOLUTION. THE SOFTWARE SOLUTIONS ARE DELIVERED ON AN “AS IS” BASIS WITH NO SUPPORT. YOU SHALL HAVE THE SOLE RESPONSIBILITY FOR ADEQUATE PROTECTION AND BACK-UP OF ANY DATA USED IN CONNECTION WITH THE SOFTWARE SOLUTION. IN NO EVENT SHALL CITRIX BE LIABLE FOR (i) SPECIAL, INDIRECT, DIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, OR (ii) ANY OTHER CLAIM, DEMAND OR DAMAGES WHATSOEVER RESULTING FROM OR ARISING OUT OF OR IN CONNECTION WITH THE SOFTWARE SOLUTION, WHETHER AN ACTION IN CONTRACT OR TORT, INCLUDING NEGLIGENCE, OR OTHERWISE.

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Error: “Cannot Complete Your Request” After Publishing New App or Customizing App’s Icon on StoreFront

If you experience the error after publishing a new application or customizing an application’s icon, check the event viewer on the StoreFront server and look for the following errors:

Event 1 = There was an error during a resources List request. System.Net.WebException, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089

The remote server returned an error: (500) Internal Server Error.

Event 7 = Unhandled exception thrown for route “DazzleResources/List” System.ArgumentException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 Offset and length were out of bounds for the array or count is greater than the number of elements from index to the end of the source collection.

The workaround is to go to Studio > Delivery Groups > Applications > view the properties of the application recently added > Delivery > Application Icon > Change and choose from any of the Citrix default icons.

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Fixed “Agent Unreachable” or other bad state in View by removing & readding the desktop from the pool

When a desktop shows up as “Agent Unreachable” or some other problem state in the View Administrator console, the first thing to try is to simply remove the VM from its View pool and re-add it. You might need to set entitlements again. It might take a couple minutes for View to register the desktop as available after you do this.

Use this solution any time you fix a desktop this way in View unless you know of a more specific solution that applies. Use this solution even if you have no idea why it worked.


One way that desktops can get into this state is due to new security settings in the View 5.1. These are applied to the desktop by the View server. If a desktop shows up in View during the wrong part of the mini-setup process, it may show up as Agent Unreachable forever, unless you remove and read it to the pool.

NP machines work a little differently. The most recent Unattend Builder automatically includes scripts in the Windows 7 SetupComplete.cmd that should keep NP desktops from going to unreachable on every reboot (_do these apply to persistent as well? please update this solution appropriately if you know!!!_). This applies to all NP machines in View 5.1, and also to XP in View 5.0 (see UNI-8852 for more information about XP and View).

If all else fails, you can try using the View 5.0 agent with the View 5.1 server.

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Reboot Schedule Doesn’t work for two Delivery Groups in XenApp

Use Case: “We have a schedule to restart the machines in the delivery group every Sunday. The problem is that a few machines don’t turn back on, others don’t even receive the command to turn off.”

Checking the Event Viewer logs in the Delivery Controller we see these errors:

Event ID 3105

Log name: Application

Source: Citrix Broker Service

Text: The Citrix Broker Service has terminated the processing of the GroupReboot for Desktop ‘[Delivery Group name]’ The reboot cycle UID = 999 ended with the final state ‘Abandoned’ Summary: ‘0’ machines successfully rebooted, ‘2’ machines failed to reboot. ‘1’ machines were not processed

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Error: “Your apps are not available at this time. Please try again” When Receiver Connects Through NetScaler Gateway

Solution 1

To resolve this issue change the beacon entries in StoreFront. Add the NetScaler Gateway addresses to external beacon.

Reference: https://docs.citrix.com/en-us/storefront/3-11/integrate-with-netscaler-and-netscaler-gateway/configure-beacon.html

External Beacon

If you want to use ICA proxy from internal and external connections (all clients should only go through NetScaler), then add a fake address in the internal beacon of StoreFront.

Note: The internal beacon should only be resolvable inside the network, if the beacon is resolvable externally then Citrix Receiver will not be able to add the account.

Solution 2

The issue relates to compatibility of Receiver 4.x and Web Interface XenApp services site. Receiver 4.x supports services sites but when connecting thru NS, users may experience issues as described in CTX136828 – Error When Using Windows Receiver PNAgent through Access Gateway Enterprise Edition Appliance.

Also note Citrix Documentation – NetScaler to Web Interface XenApp Services site is not supported.

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Access to a Citrix Knowledge Center Article is Denied

Citrix has introduced Customer Success Services that allow customers to see privileged Knowledge Center content. Contact your local Citrix Solution Advisor or call 1-800-424-8749 and listen for the option to contact the Sales department; they can help determine which program is right for you.You will continue to have access to certain content as per the matrix below.

Software Updates

Product Type Readme Visible to Download Available to
XenApp 7.X or Higher

XenDesktop 7.X or Higher

Provisioning Services 7.x or Higher

XenMobile 10.X or Higher
Public or Limited or Superseded All
  • Customer Success Services customers
  • Subscription Advantage customers
  • Partners
XenApp 6.X or Earlier

XenDesktop 5.6 or Earlier

Provisioning Services 6.x or Earlier

XenMobile 9.X or Earlier

Application Streaming (all versions)

EdgeSight (all versions)

Single Sign-On (all versions)

Secure Gateway (all versions)

Smart Auditor (all versions)

User Profile Management (all versions)

Web Interface (all versions)

CloudPortal Services (all versions)

CloudPortal Business Manager (all versions)

CloudPlatform (all versions)

VDI-in-a-Box (all versions)
Public All All logged in users
Limited or Superseded All
  • Partners
  • Customers with a TRM agreement

XenServer 7.1 LTSR Cumulative Update 1

XenServer CR release earlier to the latest CR release

XenServer 7.0 hotfixes released after 1 December 2017 (XS70E050 and later)

Public All
  • Customer Success Services customers
  • Subscription Advantage customers
  • Partners
XenServer (Other versions) Public All All logged in users

Citrix Supportability Pack

Readme Visible to Download Available to
All
  • Customer Success Services customers
  • Partners


Premium Content

  • Available to Customer Success Services Customers and Partner designated technical contacts on customer’s support entitlement.


Other Content Type

Type Readme Visible to Download Available to
Technotes All All logged in users
Tools All All logged in users
Learning All All logged in users
Security Bulletins All All


Chat

  • Available only to Customer Success Services customers.


For Application Networking Group products (such as NetScaler, CloudBridge, NetScaler (Access) Gateway, Communication Gateway, and Application Gateway), consider subscribing to the Citrix Appliance Maintenance program.

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Notice of Change Announcement for NetScaler SD-WAN 4000-SE (Standard Edition)

Citrix Systems, Inc. announces End of Maintenance for NetScaler SD-WAN 4000-SE (Standard Edition) appliances.

The tables below explain the Citrix NetScaler SD-WAN life cycle management milestones as well as important information regarding dates and options during this period. The dates and milestones provided are in accordance with stated End of Life/End of Support policies for Citrix Systems, Inc.

Table 1. Milestones and Dates

Milestone Definition Date
Notice of Change (NSC) The NSC date is the date on which Citrix announces the intent to initiate the lifecycle management process for a hardware platform. May 15, 2018
End of Sale (EOS) The date on which Citrix will no longer offer the product. June 15, 2018
End of Maintenance (EOM) / End of Life (EOL) The EOL milestone signals the point at which no support or maintenance is provided. Product information will be limited to the historical material available on MyCitrix.com or other online resources and is subject to removal beyond this date. June 15, 2023

Click here for the Citrix Product LifecycleMilestones Definitions.

Products Affected

The products affected by this announcement and their replacements are listed in Table 2 (below). The products listed in the Product Replacement / Alternatives column represent the migration path for these discontinued platforms.

Table 2. Platforms affected by this announcement.

Product Description Replacement / Alternatives
NetScaler SD-WAN 4000-SE (Standard Edition) 4100-SE (Standard Edition)

Customer Actions

Citrix recommends that existing customers take steps to upgrade to the latest NetScaler SD-WAN platform so that they can take advantage of the upgraded features and performance. This will ensure the best transition of the product.

For More Information

For more information about the Citrix NetScaler SD-WAN, visit https://www.citrix.com/products/netscaler-sd-wan/ or contact your local Citrix sales representative / authorized Citrix business partner..

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Citrix XenServer Security Update for CVE-2018-3639

Customers wishing to expose the new host firmware functionality to their guest VMs should install both the Citrix XenServer hotfixes and updated host firmware or BIOS code. The locations of the Citrix XenServer hotfixes are listed below; Citrix recommends following your hardware supplier’s guidance for firmware updates.

Citrix XenServer 7.4: CTX235133 – https://support.citrix.com/article/CTX235133

Citrix XenServer 7.3: CTX235132 – https://support.citrix.com/article/CTX235132

Citrix XenServer 7.1 LTSR CU1: CTX235131 – https://support.citrix.com/article/CTX235131

Citrix XenServer 7.0: CTX235130 – https://support.citrix.com/article/CTX235130

Note that, in line with previous issues that were not vulnerabilities in Citrix XenServer, mitigations are not available for versions 6.x of Citrix XenServer.

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