Citrix Cloud Mcs



  1. Machine Creation Services (MCS) is a component of XenDesktop that is also available in Citrix Cloud. MCS simplifies the creation and the management of virtual machines in XenDesktop.
  2. Afternoon all, I am trying to link Citrix Cloud in with a clients local VMware infrastructure to support MCS. I am able to add the connection and resources to the point where it then wants a network selected but nothing is available. The connection to the hypervisor works ok, i am able to see the.
  3. Citrix Machine Creation Services is a component of the Citrix Virtual Apps and Desktops solution that is coupled within the Delivery Controller. Using application programming interfaces (APIs) from the underlying hypervisor or cloud provider, MCS builds intelligent linked clones from a master image to provision multiple virtual desktops.

Citrix Cloud is hosted on reliable, major public cloud infrastructure Citrix Cloud and the XenApp and XenDesktop service run on major public cloud infrastructure. Citrix performs a nightly backup of all data in the Citrix Cloud including the XenApp and XenDesktop service. The nightly backup ensures that in the case of an outage we are. Overview of Citrix Machine Creation Services (MCS) Citrix Machine Creation Services is an orchestration component of Citrix Virtual Apps and Desktops that can provide single image management for shared or dedicated machines.

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Triaging Issues

The issue detailed under Point 1 in the Background section should be easy to diagnose using the following procedure:

  1. Start the original master Virtual Machine (VM).

  2. Ensure that the Citrix VDA Software has been installed from the correct version using XenDesktopVdaSetup.exe.

Notes

  • It is not sufficient to install individual MSI installers, as the complete VDA functionality is provided by several distinct components which XenDesktopVdaSetup will install as required.

  • If a VDA from XenDesktop 5.x is installed (for example, to support Windows XP or Vista), then this does not support image preparation and you must select the option in Studio to tell the system that an older VDA is in use and this will instruct the services to skip the image preparation operation.

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For the issues detailed in Point 2, more diagnosis is required as explained in this section:

Caution! Refer to the Disclaimer at the end of this article before using Registry Editor.

Note: The preparation step will be performed by a VM named Preparation - <catalog name> - <unique id>. The Hypervisor management console can be used to check that this VM manages to start and progress past the point of starting the guest operating system. If this does not occur then check that the snapshot used to create the catalog was made of a fully functioning VM.

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MCS will only support a single virtual disk, so ensure that your master image only uses a single disk.

Citrix Cloud Mcs Azure

Mcs

If the VM manages to start Windows, then information will be required from inside the running VM. As the machine will be forcibly stopped if the preparation step is not completed in the expected time, hence it is necessary to prevent this from happening. In order to do this, run a PowerShell console from the Studio management console and issue the following command:

Set-ProvServiceConfigurationData -Name ImageManagementPrep_NoAutoShutdown -Value $True –AdminAddress <your Controller Address>

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This is a global configuration option and will affect all catalog creation operations, so ensure that no other creation operations are being run whilst you are triaging your issues. It also requires the issuing user to be a Full Administrator of the XenDesktop site.

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After this property is set, the preparation VM will no longer shutdown automatically or be forced down on expiry of allowed time.

Citrix Mcs Pvs

  1. To obtain additional information from the preparation operation, it is necessary to enable diagnostic logging on the Machine Creation components in the master image. To do this, set the following DWORD registry value to 1 in the master image and create a new snapshot of the master image.
    HKLMSoftwareCitrixMachineIdentityServiceAgentLOGGING

    After this is set, the image preparation operation will create log files in C: on the preparation VM. The logfiles are 'image-prep.log' and 'PvsVmAgentLog.txt'.
  2. When the preparation VM is running, use the Hypervisor management console to log into the VM.

  3. Check that image-prep.log exists in C: and open it.

  4. Check for errors in the log file. These might be sufficient for the problem to be resolved directly, otherwise the details must be used in reporting an issue to Citrix Support.

  5. As the preparation VM is created, the network adapters disconnects in order to isolate it from the rest of the Active Directory domain, it is not possible to copy the log file to an external destination. Screen shots of the VM console will be the best way to obtain a report. Ensure that all parts of the log file are captured.
  6. When finished with the investigations, remove the global setting as follows:
    Remove-ProvServiceConfigurationData -Name ImageManagementPrep_NoAutoShutdown –AdminAddress <your Controller Address>

  7. Set the registry key on the master image to 0 and create a new snapshot to provision.

Disclaimer

Caution! Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.