bootable ucsinstall ucos unrst 8621000014sgn161 patched a specific system image file used to install or upgrade Cisco Unified Communications Manager (CUCM)

Open the ISO

: Load the original non-bootable .iso file into UltraISO . Extract Boot Information : Navigate to the isolinux folder within the ISO.

1. Download and install Etcher from the official website.
2. Insert the USB drive into the computer.
3. Launch Etcher and select the USB drive from the device list.
4. Select the UCSInstall UCOS UNRST 8621000014SGN161 Patched ISO file from the file dialog.
5. Click on the "Flash!" button to begin the creation process.
6. Wait for Etcher to complete the process. This may take several minutes.

Part 3: Installation Guide (VMware ESXi)