Welcome to Headwind MDM Q&A, where you can ask questions and receive answers from other members of the community.
Please do not post bug reports, missing feature requests, or demo inquiries. If you have such an inquiry, submit a contact form.
In order for these commands to work, several conditions must be met:
1. MDM mode must be enabled, it is enabled if the installation was performed via a QR code (https://h-mdm.com/quick-start/)
2. No problems with the passage of MQTT traffic (https://qa.h-mdm.com/5102/)
Please make sure your installation meets these requirements.