Tag: remote-desktop

How to Update Machine Catalog to propagate changes applied to the Master Image

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Citrix recommends that you save copies or snapshots of master images before you update the machines in the catalog. The database keeps an historical record of the master images used with each machine catalog. You can roll back (revert) machines in a catalog to use the previous version of the master image if users encounter problems with updates you deployed to their desktops, thereby minimizing user downtime. Do not delete, move, or rename master images; otherwise, you will not be able to revert a catalog to use them.

For catalogs that use Provisioning Services, you must publish a new vDisk to apply changes to the catalog. For details, see the Provisioning Services documentation.

After a machine is updated, it restarts automatically.

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Virtual Desktops Appear as “Not Registered” in the Console

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To resolve the issue, grant the logon right, Access this computer from the network to the Delivery Controller machine account(s).

This can be modified directly on the VDA (recommended for testing):

  1. To edit the policy directly on the VDA, use Local Computer Policy editor (MMC, then add the Snap-In Local Computer Policy.)
  2. The policy is located in Computer Configuration –>Windows Settings –>Security Settings –>Local Policies –>User Rights Assignment
  3. Locate “Access this computer from the network”
  4. Click ‘Add User or Group’. Change the Object Types to include “Computers”.
  5. Type the names of the Delivery Controller(s). Click ‘Check Names’. Click OK to save the change. There will be several warnings.

Once this is determined to resolve the OU-based registration issue, policy can be applied to all the VDA’s by completing one of the following tasks:

  • Apply a group policy from the domain controller either to the domain as a whole or to an Organizational Unit containing the Virtual Desktops for the XenDesktop farm.

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Case Study – Web Browser Displays “401 – Unauthorized: Access is denied due to invalid credentials”

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Problem Definition

A customer was attempting to configure ICA Proxy mode on Citrix Access Gateway Enterprise Edition with XenApp 5.0 and Web Interface. The customer reported that when configuring the same, the 401 – Unauthorized Access is denied due to invalid credentials error message is displayed on the Web browser after a successful authentication to the Citrix Access Gateway Enterprise Edition Login page, as shown in the following screenshot:

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Environment

The customer had installed the following hardware and software components on the network:

  • Windows Server 2008
  • Internet Information Server 7
  • NetScaler appliance
  • Web Interface 5.0
  • XenApp 5.0

Troubleshooting Methodology

To troubleshoot this issue, the Technical Support Engineers investigated the Windows event logs of the XenApp Server and observed an error message in the Citrix Web Interface event log, as shown in the following screenshot:

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This prompted the engineers to shift the focus of the investigation towards the XenApp Server. The engineers recorded network packet traces on the XenApp server during a login attempt. Each time, the engineers killed the Access Gateway Enterprise Edition session to ensure that a new session starts. The Web Interface makes the outbound https request to the Access Gateway Enterprise appliance to retrieve the SmartAccess settings, such as VServer and Session Policy Name.

When analyzing the packet traces, the engineers observed that when the XenApp Server communicates to the URL in the preceding screenshot, /CitrixAuthService/AuthService.asmx, the XenApp Server sends a FIN-ACK packet during the Secure Socket Layer (SSL) handshake negotiation, as shown in the following screenshot:

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When attempting to open the /Citrix/XenApp1/auth/agesso.aspx URL, the Web Interface sends the 401 response code because the XenApp server could not complete the SSL handshake.

After further investigating the event logs, the engineers noticed that there was an issue with the SSL certificates.

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Unable to deploy custom receiver from Store front. Getting ” An error occurred while saving changes on the “Deploy Citrix Receiver” property dialog. Please check the log in event viewer and try again.”

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While trying to add customized “receiver.exe” to deploy receiver option in Storefront, you might get following error while saving it.

“An error occurred while saving changes on the “Deploy Citrix Receiver” property dialog. Please check the log in event viewer and try again”.

It works fine with default receiver.

This was the event:

Log Name: Citrix Delivery Services

Source: Citrix Delivery Services Admin

Event ID: 1

Description:

An error occurred running the command: ‘Update-DSWebReceiverHTML5Config’

Filepath ‘C:Program FilesCitrixReceiver StoreFrontReceiver ClientsWindowsFLExternalTest.EXE’ does not contains a filename.

At C:Program FilesCitrixReceiver StoreFrontManagementCmdletsWebReceiverModule.psm1:1658 char:41

+ $SourceTypeForInstallerForWindows = GetReceiverInstallerSourceType -Installe …

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Filepath ‘C:Program FilesCitrixReceiver StoreFrontReceiver ClientsWindowsFLExternalTest.EXE’ does not contains a filename.

Citrix.DeliveryServices.PowerShell.Command.RunnerInterfaces.Exceptions.PowerShellExecutionException, Citrix.DeliveryServices.PowerShell.Command.RunnerInterfaces, Version=3.12.0.0, Culture=neutral, PublicKeyToken=e8b77d454fa2a856

An error occurred running the command: ‘Update-DSWebReceiverHTML5Config’

Filepath ‘C:Program FilesCitrixReceiver StoreFrontReceiver ClientsWindowsFLExternalTest.EXE’ does not contains a filename.

At C:Program FilesCitrixReceiver StoreFrontManagementCmdletsWebReceiverModule.psm1:1658 char:41

+ $SourceTypeForInstallerForWindows = GetReceiverInstallerSourceType -Installe …

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

System.Management.Automation.ActionPreferenceStopException, System.Management.Automation, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35

The running command stopped because the preference variable “ErrorActionPreference” or common parameter is set to Stop: Filepath ‘C:Program FilesCitrixReceiver StoreFrontReceiver ClientsWindowsFLExternalTest.EXE’ does not contains a filename.

System.Management.Automation.Interpreter.InterpretedFrameInfo: System.Management.Automation.Interpreter.InterpretedFrameInfo[]

at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input, Hashtable errorResults, Boolean enumerate)

at System.Management.Automation.PipelineOps.InvokePipeline(Object input, Boolean ignoreInput, CommandParameterInternal[][] pipeElements, CommandBaseAst[] pipeElementAsts, CommandRedirection[][] commandRedirections, FunctionContext funcContext)

at System.Management.Automation.Interpreter.ActionCallInstruction`6.Run(InterpretedFrame frame)

at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame)

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Unable to enumerate resources with error “An error occurred while attempting to connect to the server ‘Delivery Controller’ on port 443”

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Under certain conditions, when you login to Receiver or Receiver for Web you might not see any of the published resources. Additionally, following events are recorded on the StoreFront server at the time of the issue.

Source: Citrix Store Service

Event ID: 0

Description: An error occurred while attempting to connect to the server MTXenApp1 on port 443. Verify that the Citrix XML Service is running and is using the correct port. If the XML Service is configured to share ports with Microsoft Internet Information Services (IIS), verify that IIS is running. This message was reported from the XML Service at address https://MTXenApp1/scripts/wpnbr.dll. The specified Citrix XML Service could not be contacted and has been temporarily removed from the list of active services.

Source: Citrix Store Service

Event ID: 4003

Description: All the Citrix XML Services configured for farm Controller failed to respond to this XML Service transaction.

Source: Citrix Store Service

Event ID: 4012

Description: None of the Citrix XML Services configured for farm Controller are in the list of active services, so none were contacted.

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

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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”

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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

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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”

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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

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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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