App Layering/Unidesk: Desktops Blue-screen with "IRQL_NOT_LESS_OR_EQUAL" STOP 0x0000000A

Desktop will appear to become unresponsive to the end-user, but if you look at the VM console, you will see that it's actually blue-screening with STOP 0xA. Analysis of the dump file will point to unirsd.sys...

App Layering: Nutanix AHV 5.5 support requires ELM 4.9 or above

App Layering 4.8 and before is not compatible with networking changes in Nutanix AHV 5.5. Depending on the operation you are performing, you may see any of these errors: Failed to connect to the server at 'host' A failure occurred connecting to the Nutanix server. Error = write EPROTO...

Citrix App Layering - User Layer Error "We were unable to attach your User Layer"

When end users log into a virtual machine with Elastic layering enabled, they see the error "We were unable to attach your User Layer. Any changes you make to application settings or data will not be saved. Be sure to save any work to a shared network location." Details: "Access to the path...

Layering multiple Office Components (Word, Visio, Project, Outlook, etc.)

There are a couple of places this can go bad. One is, never run any Office component in the Install Machine. The first time Office runs, it writes some machine-specific information into the registry, and if that layer then wakes up on another machine, it has to go through the configuration again...

Error "Windows cannot verify the digital signature for this file referencing unirsd.sys

When trying to edit a layer or publish an image with any Elastic Layering option turned on basically, any operation where our filter drivers are involved, the machine will have a boot failure, referencing File: \Windows\system32\DRIVERS\unirsd.sys, Status: 0xc0000428, Info: Windows cannot verify...

Blocking Windows Update from going to the next Windows 10 Feature Update (for example 1703 or 1709)

Citrix App layering, and probably other Citrix products, may not yet support the very latest version of Windows 10. For instance, Windows 10 1703 Creators Edition was not supported in App Layering until version 4.8. Unfortunately, "Feature Updates" are hard to block, because the Windows Update UI...

App Layering: Test SMB File Share function says permissions incorrect

When configuring a Network File Share for the ELM in App Layering, you get the error "Permissions incorrect on the file share for the path: . Please contact Support for more information."...

Debugging Layer Integrity Problems in Citrix App Layering

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Creation of Platform Layer fails with a time out error from Vsphere

During creation of Platform layer, Task fails and we get an error on the App layering console as "A timeout occurred waiting for a vsphere task to complete"...

App Layering: System -> Settings and Configuration Page Hangs at "In Progress", Management Console Page Timesout 5 Minutes Later

When browsing in the App Layering Management Console web page to the System - Settings and Configuration page, a box saying "In Progress..." pops up in the middle of the HTTP Certificate Settings section, and the page never finishes populating. 5 minutes later, the entire management console web...

App Layering 2.x/3.x: Best Practices

A consolidation of the various layering best practices to apply in the OS and App layers. For App Layering 4.x Best Practices, please refer here:https://support.citrix.com/article/CTX225952 Operating System Layer Have one Operating System layer per Operating System Windows 7 32-bit, Windows 7...

App Layering: Office MCS Rearm failure because kmssetup.cmd is running multiple times

Created a new layer following https://support.citrix.com/article/CTX224566. After publishing the image and using Studio to upgrade catalog using MCS, we receive the following error: Task Information: Start Date: Friday, October 6, 2017 Start Time: 1:46 PM Finish Date: Friday, October 6, 2017 Fini...

App Layering/Unidesk V2: Migrating a Unidesk System to a Different VMware vCenter

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App Layering PVS Agent error registering to ELM "Could not create SSL/TLS secure channel"

When configuring the App Layering Provisioning Services PVS Agent on the PVS server, the error"Could not create SSL/TLS secure channel" occurs...

Unable to Configure Citrix App Layering ELM PVS Connector

The App Layering Agent PVS Agent on the PVS server is registered with the App Layering ELM virtual appliance, and the PVS Server enumerates on the App Layering PVS connector screen. However,clicking "check credentials" an error is displayed stating that the ELM cannot use the credentials on the P...

App Layering: PVS Cache Disks May Need to Be Larger with Elastic Layering

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App Layering/Unidesk: Blue Screen 0xA referencing unifltr.sys

End-user virtual machines and session hosts crash with a STOP 0xA blue screen referencing unifltr.sys. unifltr the the Unidesk and App Layering filter driver...

App Layering error "A failure occurred while publishing the Layered Image: "Failed scanning a directory for files” because of Microsoft.MicrosoftOfficeHub

App Layering 4.0 - 4.5: The Enterprise Layer Manager ELM fails while publishing an image. Error:"A failure occurred while publishing the Layered Image. Failed scanning a directory for files" Unidesk 2.x/3.x: The CachePoint Appliance fails while creating a desktop. Error: "Failed to copy folders...

App Layering Recipe for Dropbox

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Citrix App Layering: How to Customize Windows 7 Visual Performance in a Layer.

There are no dedicated GPO to control that feature of customizing the performance of Visual Effects for the Windows Explorer in Windows 7. In order to get the customizations pushed out to all the desktops in the environment you need to create a registry script that will make these changes for you...