Point the application to your valid isolinux.bin or boot sector file.
In lab, testing, or emergency recovery scenarios where access to a baseline bootable DVD is unavailable, engineers often convert a legally downloaded non-bootable upgrade ISO into a bootable format. cucm 12.5 bootable iso download
A successful deployment requires meeting Cisco's specific hardware and software constraints. As of release 12.5, you cannot run CUCM directly on physical server hardware; it must be installed on a virtual machine. Point the application to your valid isolinux
Navigate to the bootable configuration settings inside the editor (in UltraISO, click on the Bootable menu and select Load Boot File ). cucm 12.5 bootable iso download
Used for fresh installations on bare-metal servers or new Virtual Machines (VMs).