New Avaya Aura® MS appliances are shipped with the appliance software already installed. Avaya Aura® MS appliance software is only required to support the field replacement procedure, for example, disk replacement.
You can download an ISO image of the Avaya Aura® MS recovery software from the Avaya Product Licensing and Delivery System (Avaya PLDS) website at https://plds.avaya.com.
Next Steps:
Reinstall the Avaya Aura® MS physical appliance.