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HCL Sametime® Administration Guide 12
Planning
This section describes the system requirements and server configurations needed for HCL Sametime and HCL Sametime Premium.
Prerequistes
Before you being the install process, ensure that your environment includes all prerequistes and system requirements.

HCL Sametime® Administration Guide 12
- Accessibility features for Sametime
  Accessibility features help users who have a disability, such as restricted mobility or limited vision, to use information technology products successfully. HCL® strives to provide products with usable access for everyone.
- New features in Sametime 12
  The current version of HCL Sametime and HCL Sametime Premium includes new features and enhancements.
- Planning
  This section describes the system requirements and server configurations needed for HCL Sametime and HCL Sametime Premium.
  - Sametime versus Sametime Premium
    Depending on the Sametime product that is installed, detemines which Sametime features are available. HCL Sametime provides secure real-time communication across devices, and HCL Sametime Premium expands those features to include video and file sharing.
  - Prerequistes
    Before you being the install process, ensure that your environment includes all prerequistes and system requirements.
    - System requirements
      System requirements includes the minimum HCL Sametime and HCL Sametime Premimum requirements, such as: operating systems, hardware, software, and more.
    - MongoDB
      MongoDB is used to store data for persistent chat, mobile push notifications, meetings and contact lists.
    - LDAP
      An LDAP directory is needed for Sametime user authentication. The LDAP server must be running before deploying Sametime.
  - Platforms
  - Meeting server FAQ
    The Meeting server routes media traffic.
  - Planning the network topology and connectivity
    This topic explains how Sametime components are connected and the default ports that are used. There are also example topologies to illustrate how Sametime can be deployed in different scenarios.
  - Network planning for meetings
  - Clustering and high availability
    High availability and high capacity configuration for Sametime is achieved in different ways depending on which component is being configured for HA. See the topics below to learn more about chat, meetings and MongoDB.
  - Managing Sametime features
    HCL Domino users are entitled to limited use of HCL Sametime chat capabilities.
- Installing
  This section provides information on installing and configuring the servers for HCL Sametime and HCL Sametime Premium.
- Configuring
  This section provides information on configuring the HCL Sametime server.
- Securing
  This section provides information on securing your HCL Sametime environments.
- Administering
  This section provides information on administering on Sametime environments.
- Troubleshooting
  This section provides information on troubleshooting and supporting Sametime environments.
- Uninstalling Sametime
  In the event that Sametime must be uninstalled, follow these steps to uninstall the Community, Proxy, and Meetings servers.
- Migrating and Upgrading
  This section provides information on migrating data from an earlier release to Sametime 12.
- Notices

Prerequistes

Before you being the install process, ensure that your environment includes all prerequistes and system requirements.