/mcp• Include special symbols. • Remember that longer passwords are stronger and more secure than shorter ones. Avoid the following types of passwords: • Do not use only alphanumeric characters. • Do not use any non-alphanumeric characters. • Do not use recognizable words, such as proper names and dictionary words, even when combined with numbers. • Do not invert-recognizable words. • Do not use word or number patterns, such as aaabbb, abc123, qwerty, zyxwvuts, and 123321. • Do not use recognizable words from other languages. • Do not use personal information of any kind, including birthdays, postal codes, names of children, or pets. Installation Time Requirements Time Requirements for Unified Communications Manager The entire installation process, excluding pre- and post-installation tasks, takes 45 to 90 minutes, depending on your server type. Time Requirements for IM and Presence Nodes The entire IM and Presence Service installation process, excluding pre- and post-installation tasks, takes approximately 45 to 90 minutes per server, depending on your server type. Licensing Requirements The following sections provide information about the licensing requirements for Unified Communications Manager and the IM and Presence Service. Make sure that your system has adequate licensing. Smart Software Licensing Overview Cisco Smart Software Licensing is a new way of thinking about licensing. It adds flexibility to your licensing and simplifies it across the enterprise. It also delivers visibility into your license ownership and consumption. Cisco Smart Software Licensing helps you to procure, deploy, and manage licenses easily where devices self-register and report license consumption, removing the need for product activation keys (PAK). It pools license entitlements in a single account and allows you to move licenses freely through the network, wherever you need them. It is enabled across Cisco products and managed by a direct cloud-based or mediated deployment model. Installation Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 15 and SUs 23 Planning the Installation Installation Time Requirements