I just launched an Open edX Ficus 3-4 virtual machine using the Bitnami Launchpad for Azure with a STANDARD_D2_V2_PROMO (the minimum required for Open edX and it was created without any issue.
I think the problem is related with the free trial since this subscription since it doesn't allow you to create server according to https://azure.microsoft.com/es-es/free/free-account-faq/:slight_smile:
750 horas de máquinas virtuales B1S de Azure de uso general para Linux
You shouldn't be able to launch instances bibgger than B1S size.
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