In a VDI environment, you can use the VMware DEM tool to customize and configure default applications used to open specific files or services.

VMware DEM is a software application used to configure the user experience in a VDI environment such as VMware Horizon.


Configure DEM default applications

To configure default applications, you must open the DEM Management Console and access the Personalization area. Click Create Config File.


Select Use a Windows Common Settings option and click Next.

Windows Common Settings

Select Default applications – File type association and protocols and click Next.

Default applications

Enter a File name and click Finish.

File name

The Default Apps config file has been created.

The Default Apps config file has been created


Create the default application file

To create the default applications file, you need to logon to a desktop on which DEM settings are applied with a user with a clean profile. Double check if the account you are going to use doesn’t have a DEM profile already defined in the File Server.

DEM profile

Access the Horizon infrastructure and enter the credentials of the chosen user then click Login.

VMware Horizon

In this example the default Web browser is the application that will be changed. Note that Internet links are currently associated to the default Edge browser.

Default Web browser

Go to Windows Default apps area to configure the desired application.

Default apps

From the list, click on the default application to change (in the example the default Web browser).

Default apps

Select the desired default application (Google Chrome in the example).

Select the desired default application

Click Switch Anyway option to confirm the selection.

Switch Anyway

The new default application has been set.

The new default application has been set

Sign out the user from the desktop to save the profile.

Save the profile

After signing out from the desktop, the DEM user profile is automatically created in the File Server.

File Server


Import the default application file

In the File Server, browse the new created user profile and go to <dem_share>\<username>\Archives. Copy the Default file just created.

Import the default application file

Paste the .zip file anywhere in the computer where the DEM Management Console is installed.

DEM Management Console is installed

In the DEM Management Console, select the Default Apps configuration previously created and go to Predefined Settings tab. Click Add.

Predefined Settings

Enter a Name and click Install.

Enter a Name and click Install

Select the Default file and click Open.

Select the Default file and click Open

Click Save to save the configuration.

Click Save to save the configuration

The configured has been saved successfully.

The configured has been saved successfully


Test the default application

When you login to the virtual desktop, Google Chrome is now the default browser used to open Internet links.

Internet links

With VMware DEM tool you can customize the user experience while working with the VMware Horizon infrastructure optmizing time and effort required to change the configuration.


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