/mcpC H A P T E R 7 Software Upgrades For information on upgrading Cisco Unity Connection to the shipping version, see the "Upgrading Cisco Unity Connection" chapter in the Install, Upgrade and Maintain guide for Cisco Unity Connection Release 15 at https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/15/install_upgrade/guide/b_ 15cuciumg.html. For information on installing Cisco Unity Connection languages, see the "Maintaining Cisco Unity Connection Server" chapter in the Install, Upgrade and Maintain guide for Cisco Unity Connection Release 15 at https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/15/install_upgrade/guide/b_15cuciumg.html . • Software Installation and Upgrade, on page 41 • Device Load Management, on page 43 • Setting Up a Customized Log-on Message, on page 43 • Branding Customization in Unity Connection, on page 44 Software Installation and Upgrade The software upgrade options enable you to upgrade the software version that is running on the operating system or to install specific software options, including Cisco Unified Communications Operating System Locale Installers, dial plans, and TFTP server files. From the Install/Upgrade menu option, you can upgrade system software from either a local disk or a remote server . The upgraded software gets installed on the inactive partition, and you can then restart the system and switch partitions, so the system starts running on the newer software version. You must do all software installations and upgrades with the software upgrades features that are included in the Cisco Unified Communications Operating System GUI and command line interface. The system can upload and process only software that Cisco Systems approved. You cannot install or use third-party or Windows-based software applications that you may have been using with a previous version of Cisco Unified Communications Manager. Note To upgrade Cisco Unity Connection, do the following procedure: Cisco Unified Communications Operating System Administration Guide for Cisco Unity Connection Release 15 41