In file explorer, browse to your extracted ISO folder and copy over all the files and folders into the cdrfte window.Ĭlick Start to create your ISO. Under the Boot image field, browse to the copied isolinux directory of your extracted ISO folder and select isolinux.bin. Check the following options: Create boot disc, No disc emulation, and Create boot info table. Under ISO image, select Use image, and browse to a location to store the finished ISO. Next, take your non-bootable update dvd from Cisco and extract the contents with 7zip by right clicking the ISO -> 7-Zip -> Extract to….Ĭopy the isolinux directory you extracted earlier to the newly extracted Cisco ISO folder, overwriting any duplicate files. Inspired by those bloggers, I wanted to share a method to create bootable media that features the best of both worlds: open source utilities with easy to use interfaces, all for the low low price of free.įirst, find an existing bootable CUCM ISO (a Red Hat or CentOS live cd will do the trick as well) and open it in 7zip.įind the isolinux directory, highlight it, and click Extract. There’s plenty of great posts out there on how to make bootable CUCM/Collaboration media with paid GUI software such as UltraISO or free command line utilities like cdrtools.