1) Rollack the UMG , to a previous version: - locally connected to UMG, with a Monitor / kb /mouse (using a serial connection would also work) - power cycle the unit - when the boot menu comes up, choose from the list the “earliest / oldest” FW version available - click ENTER and wait for the unit to reboot NOTE: This method will restore appliance functionality, without deleting / affecting its network configuration. The appliance can be upgraded afterwards, to the desired version. 2) Netboot recovery (please contact Tech Support for procedure and image file) I MPORTANT: before starting this procedure, remove any physical and/or logical SP attached to the UMG !!! - use a serial connection ( ADB0036 / DB9-RJ45 serial adapter and a CAT5/CAT6 straight cable) and an TFTP / FTP Server having the .ISO image uploaded on it - power cycle the unit - when the boot menu comes up, choose from the list the “Netboot recovery", and follow the procedure NOTE: This type of recovery will overwrite all firmware and configuration settings stored on the hard drives of the appliance and no data will be retained. 3) Boot from USB flash drive: this is basically an upgrade method, and works ONLY if you still have access to the console menu , while locally connected with a Monitor / kb / mouse - Format USB drive to FAT32 - Download and extract the UMG firmware to USB stick - Login into the UMG locally, default login admin /admin - ALT + F2 to switch to user shell - Insert USB stick with firmware into UMG - Select Option 5 from menu -> "Update Firmware"
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