When many applications are running on a single server or that resource-intensive applications are published from a server via XenApp, you will need to balance the load on different servers.
For this, Citrix offers a complete system of strategies that will enable you to manage the load of your servers.
Configuration used :
To do a load balancing, you need at least 2 servers with the same configuration and same applications (and same versions to avoid random bugs).
In order to obtain identical machines, the best way is to :
To begin, create a machines catalog.
Select the type of OS installed in the reference virtual machine.
Note : in our case, it is a windows server 2012 operating system.
Because we create a catalog of machines from a virtual machine, the power will be managed.
Then, we will deploy machines with Citrix Machine Creation Services (MCS) to create copies of our virtual machine where the VDA is installed.
Note : if the "machines whose power is managed" option is grayed out, just add a connection to your virtualization server (eg XenServer) in the "Configuration -> Hosting" section of Citrix Studio. As noted on this page : Link the XenServer server to XenDesktop
Select the virtual machine to copy many times and select the version of the VDA installed in this virtual machine.
For this tutorial, we'll create two virtual machines from our virtual machine.
Select the organizational unit (folder) where you want to store the Active Directory computer accounts.
Then, specify a model for the machine name.
Citrix Studio will create copies of your virtual machine.
Note : this can take a long time depending on the number of machines to create and the size of the reference virtual machine.
Finally, the machines catalog will appear in Citrix Studio.
To publish applications or desktops of created virtual machines, go to "Delivery groups", right click in the list and click "Create a delivery group".
As you can see, you can create a delivery group with multiple machines.
In our case, we select our catalog "Windows Server 2012 VMs" and we select 2 for the number of machines to be used for this delivery group.
We choose "Desktops and applications" to publish applications of our virtual machines and their desktops.
For simplicity, we allow all users of the domain for this delivery group.
However, in a production environment and mainly when you use paid programs including Microsoft Office, you will need to check the number of users authorized by the license for published programs.
As you can see in this step, Citrix Studio will ask you to select which applications to publish from selected virtual machines.
It is therefore important that machines used have the same configuration, same programs and same versions of published programs.
Specify a name for the delivery group and click "Finish".
The delivery group appears in the list.
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