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Create a Red Hat OpenShift catalog

September 6, 2025
Contributed by: 
C

Create machine catalogs describes the wizards that create a machine catalog. The following information covers details specific to Red Hat OpenShift virtualization environments.

Note:

Before creating a Red Hat OpenShift catalog, finish creating a connection and hosting unit to Red Hat OpenShift. See Connection to Red Hat OpenShift.

Create a master image VM

A master image VM is required to create a machine catalog.

  1. Access the OpenShift Console using your login ID.
  2. Navigate to Virtualization > VirtualMachines to see the list of VMs, including master image VMs.
  3. Create a master image. When creating a master image, make sure that the master image VM has only one storage device.

Note:

  • Ensure that a routable NAD is added to the master image VM according to the customer’s requirements for the cluster environment.
  • When the master image is joined to a domain, it might lose domain trust after being used for catalog creation. This issue affects Citrix Virtual Apps and Desktops™ 2503 due to a limitation in the OpenShift environment. The workaround is not to join domain in master images. Citrix is working with Red Hat to enhance network isolation capabilities.
  • When creating an MCS machine catalog in a Red Hat OpenShift virtualization environment, you can’t use a master image and a machine profile that have different operating system types. This is due to how Red Hat OpenShift manages each OS type. Therefore, using a Windows VM as the master image with a non-Windows (example, Linux) VM as the machine profile, or the other way around, is not supported.
  • Currently, the VMs created using InstanceType are not supported as a master image.

Create a catalog

You can create OpenShift catalogs to create, deliver, and power manage machines in your OpenShift environments.

Create a catalog using Web Studio

You can create an MCS machine catalog in the Red Hat OpenShift environment with or without a machine profile using Web Studio. A VM is used as a machine profile input.

In the Machine Catalog Setup wizard:

  1. On the Operating System page, select Multi-session OS or Single-session OS.

  2. On the Machine Management page:

    • Select Machines that are power managed (for example, virtual machines or blade PCs).
    • Select to deploy machines using Citrix provisioning technology Citrix Machine Creation Services™ (MCS).
    • Select the Openshift hosting unit under Citrix Machine Creation Services (MCS)
  3. On the Desktop Experience page, select the option according to the machine type you select on the Machine Type page.

  4. On the Image page:

    1. Select a master image. Currently, Openshift doesn’t support Prepared image.
    2. You can add a note for the selected image.
    3. You can select the Use a machine profile checkbox and select a machine profile.
    4. To enable use of the latest product features, ensure that the master image has the latest VDA version installed. Do not change the default minimum VDA selection. However, if you must use an earlier VDA version, see VDA versions and functional levels.
  5. On the NICs page, select one or more NICs, associate a virtual network with each card.

  6. On the Virtual Machines page:

    1. Specify how many virtual machines to create. Enter 0 (zero) if you do not want to create any. Later, you can create VMs for an empty catalog by adding machines.
    2. Choose the amount of memory (in MB) each VM has.
    3. If you are creating a random non-persistent catalog, you can enable Write-Back Cache for machines to improve I/O performance. See Configure cache for temporary data.
  7. Follow the on-screen instructions to complete the remaining steps, which don’t include OpenShift-specific information.

You can also use Studio to create Openshift catalogs to deliver and manage the power of existing machines in your OpenShift environments. Do the following:

In the Machine Catalog Setup wizard:

  1. On the Operating System page, select Multi-session OS or Single-session OS.
  2. On the Machine Management page, select Machines that are power managed and Another service or technology.

  3. On the Virtual Machines page, add machines and their Active Directory machine accounts. You can:

    • Add machines manually: Click Add Machines to add machines manually. The Select VMs window appears. Expand the OpenShift connection you created earlier and select the nodes (VMs) you want to add. Then add the associated machine account names.
    • Add machines using a CSV file: Click Add CSV File to bulk add machines. For information about using CSV files to add machines, see Use CSV files to bulk add machines to a catalog.
  4. Follow the on-screen instructions to complete the remaining steps, which don’t include OpenShift-specific information.

Create a catalog using PowerShell commands

You can create an MCS machine catalog in the Red Hat OpenShift environment using PowerShell commands. You can create the machine catalog with or without using a machine profile. A VM is used as a machine profile input.

  1. Open a PowerShell window.
  2. Run asnp citrix*.
  3. Run PowerShell commands to
    1. Create an identity pool
    2. Create AD accounts
    3. Create an MCS machine catalog with persistent VMs with or without a machine profile.
    4. Add VMs to the catalog
    5. Create a broker catalog
    6. Add broker machines to the new VMs

Following is a sample script:

Create an identity pool 

New-AcctIdentityPool `
    -IdentityPoolName "IdentityPoolName" `
    -ZoneUid "00000000-0000-0000-0000-000000000000" `
    -NamingScheme "vm###" `
    -NamingSchemeType "Numeric" `
    -AllowUnicode `
    -Domain "MyDomain.local" `
    -AdminAddress "MyDDC.MyDomain.Local"
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Create AD accounts 

New-AcctADAccount `
    -IdentityPoolUid "11111111-1111-1111-1111-111111111111" `
    -ADUserName "MyDomain\MyUserName" `
    -ADPassword SecurePassword `
    -Count 1 `
    -AdminAddress "MyDDC.MyDomain.Local"
<!--NeedCopy-->

Create a provisioning scheme with persistent machines (without machine profile) 

New-ProvScheme `
    -ProvisioningSchemeName "ProvisioningSchemeName" `
    -HostingUnitName "HostingUnitName" `
    -IdentityPoolName "IdentityPoolName" `
    -ProvisioningSchemeType "MCS" `
    -MasterImageVM "XDHyp:\HostingUnits\HostingUnitName\TargetNamespace.namespace\MasterImageVM.vm" `
    -NetworkMapping @{"0" = "XDHyp:\HostingUnits\HostingUnitName\TargetNamespace.namespace\MyNetwork.network" } `
    -VMCpuCount 1 `
    -VMMemoryMB 4096 `
    -InitialBatchSizeHint 1 `
    -AdminAddress "MyDDC.MyDomain.Local"
<!--NeedCopy-->

Create a provisioning scheme with persistent machines (with machine profile) 

New-ProvScheme `
    -ProvisioningSchemeName "ProvisioningSchemeName" `
    -HostingUnitName "HostingUnitName" `
    -IdentityPoolName "IdentityPoolName" `
    -ProvisioningSchemeType "MCS" `
    -MasterImageVM "XDHyp:\HostingUnits\HostingUnitName\TargetNamespace.namespace\MasterImageVM.vm" `
    -NetworkMapping @{"0" = "XDHyp:\HostingUnits\HostingUnitName\TargetNamespace.namespace\MyNetwork.network" } `
    -VMCpuCount 1 `
    -VMMemoryMB 4096 `
    -InitialBatchSizeHint 1 `
    -AdminAddress "MyDDC.MyDomain.Local" `
    -MachineProfile "XDHyp:\HostingUnits\HostingUnitName\TargetNamespace.namespace\MachineProfileVM.vm"
<!--NeedCopy-->

Create new ProvVMs 

New-ProvVM `
    ProvisioningSchemeName "ProvisioningSchemeName" `
    ADAccountName "MyDomain\vm001" `
    AdminAddress "MyDDC.MyDomain.Local"

Lock-ProvVM `
    -ProvisioningSchemeName "ProvisioningSchemeName" `
    -Tag "Brokered" `
    -VMID "TargetNamespace:vm001"
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Create new broker catalog 

New-BrokerCatalog `
    -Name "ProvisioningSchemeName" `
    -ProvisioningType "MCS" `
    -SessionSupport "MultiSession" `
    -AllocationType "Random" `
    -PersistUserChanges "OnLocal" `
    -ZoneUid "00000000-0000-0000-0000-000000000000" `
    -AdminAddress "MyDDC.MyDomain.Local"
<!--NeedCopy-->

Set broker catalog metadata 

Set-BrokerCatalogMetadata `
    -CatalogId "1" `
    -Name "Citrix_DesktopStudio_IdentityPoolUid" `
    -Value "11111111-1111-1111-1111-111111111111"

Set-BrokerCatalog `
    -Name "ProvisioningSchemeName " `
    -ProvisioningSchemeId "22222222-2222-2222-2222-222222222222"
<!--NeedCopy-->

Create broker machines for the new ProvVMs 

New-BrokerMachine `
    -CatalogUid "33333333-3333-3333-3333-333333333333" `
    -AdminAddress "MyDDC.MyDomain.Local" `
    -MachineName "S-0-0-00-0000000000-0000000000-000000000-000000"
<!--NeedCopy-->

Where to go next

More information

Create a Red Hat OpenShift catalog
September 6, 2025
Contributed by: 
C
September 6, 2025
Contributed by: 
C

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