Go to https://admin.microsoft.com and login with an administrator account.
Choose "Rooms & equipment" in the "Resources" menu from the left sidebar.
Select "Add resource".
Enter the required resource's Name.
Enter the required resource's Email.
Enter optional fields, such as Capacity, Location and Phone number.
After the new resource has been created, press "Edit booking options".
Check that the "Auto accept meeting requests" option is selected. This will ensure the proper functioning of the Room resource.
From the left sidebar:
Select Users > Active Users .
Find the newly created room resource and press the key icon ("Reset password").
Set a room password.
Check that the "Require this user to change their password when they first sign in" option is not selected.
Press "Reset password".
When the password has been reset, you can choose to close or to email the sign-in info to your email. In this case:
Check the "Email the sign-in info to me" option.
Add your email or multiple emails (divided by ";").
Press "Send email and close"