We have been able to reproduce the issue, thanks a lot for reporting it. I could extract the following error message from the deployment details:
VM has reported a failure when processing extension 'setupMachine'. Error message: "Enable failed: failed to execute command: command terminated with exit status=1
./provisioner-first-boot.sh: 36: ./provisioner-first-boot.sh: /opt/bitnami/nami/bin/provisioner: not found
p: stdin: unexpected end of file
tar: Child returned status 1
tar: Error is not recoverable: exiting now
--2018-11-07 10:29:15-- https://downloads.bitnami.com/files/nami/provisioner-bundles/provisioner-moodle-3.5.2-7-bundle-azure.tar.gz
Resolving downloads.bitnami.com (downloads.bitnami.com)... 22.214.171.124, 126.96.36.199, 188.8.131.52, ...
Connecting to downloads.bitnami.com (downloads.bitnami.com)|184.108.40.206|:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://bitnami.com/missing/files/nami/provisioner-bundles/provisioner-moodle-3.5.2-7-bundle-azure.tar.gz [following]
--2018-11-07 10:29:15-- https://bitnami.com/missing/files/nami/provisioner-bundles/provisioner-moodle-3.5.2-7-bundle-azure.tar.gz
Resolving bitnami.com (bitnami.com)... 220.127.116.11
Connecting to bitnami.com (bitnami.com)|18.104.22.168|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2018-11-07 10:29:15 ERROR 404: Not Found.
We are currently investigating it and will update this ticket as soon as we have more information.