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To get direct browser access to the Core API and Studio Bus for the fastest communication possible in the VRA suite, you are required to install SSL certificates to make sure the browser trusts the custom Core API.
With Visual Radio Assist Core application version 4.5.12 the certificate bundle is automatically installed on startup, when not already detected in your store.

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Local Certificate Bundle

Last update: 17-03-2026 Download Bundle: Install CA and Server Core certificates on your machine

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Add VRA Server Core to your hosts file

On your Core Machine, follow the steps for your OS:

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Mac OS

sudo echo '127.0.0.1 core.vra.local' >> /etc/hosts
# optional
sudo echo '127.0.0.1 {studio_name}.core.vra.local' >> /etc/hosts

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Windows

# Open your Hosts file
#  WIN + R > %systemroot%/system32/drivers/etc
#  File > Open Powershell|CMD as Administrator
#. Type "notepad hosts" + ENTER
# Add following lines and save

127.0.0.1 core.vra.local
# optional
127.0.0.1 {studio_name}.core.vra.local
(replace {studio_name} with your studio name) Go to your Core Settings and adjust the Host to the configured host above.