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Collaboration Services

Simplified collaboration and data synchronization. Collaboration Services provides real-time GAL and calendar synchronization for organizations with multiple Exchange instances. The tool maintains secure boundaries between Microsoft Exchange Server and Active Directory forests while providing a transparent collaboration process to deliver optimal protection. Collaboration Services ensures users will always have access to a unified GAL through their Microsoft Outlook client in order to improve your productivity.
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Transparent to users

Reduce help desk workload and email traffic by displaying calendar information between Exchange organizations.


Avoid changes to the Active Directory or Exchange configuration.

Maintain administrative control

Maintain total control over your Exchange environment by deciding which objects and attributes to publish and which collaboration partners will be allowed to subscribe to your collections.

Preserve security

Sustain security objectives using compressed, encrypted messages over SMTP.

Reduce workload

Maintain productivity company-wide by removing the need to send multiple emails to find available meeting times.

Flexible data format

Enable you to select your preferred format and then reformats all of your subscribed-to collections automatically.


Collaboration Services is able to establish secure collaboration between forests with the following messaging systems installed:

  • Microsoft Exchange Server 2003
  • Microsoft Exchange Server 2007
  • Microsoft Exchange Server 2010
  • Microsoft Exchange Server 2013

One instance of Collaboration Services should be installed in each forest participating in the synchronization. For performance reasons it is recommended to install Collaboration Services on a dedicated server.


Intel x86-based computer. Pentium III or higher. Multi-processor configurations are recommended for the HQ forest server in large deployments.


A minimum of 1 GB RAM is required; 4GB is recommended.

Requirements for RAM depend on the total number of synchronized objects:

  • Less than 100,000 objects – 4GB
  • 100,000 to 300,000 objects – 8GB
  • More than 300,000 objects – 16GB
Hard disk space

A minimum of 50 GB of free disk space is required. Additional disk space requirements are as follows:

  • 10 MB per every 1K of synchronized Active Directory objects
  • 10 MB per every 1K of synchronized Calendar objects
Operating system

One of the following:

  • Microsoft Windows Server 2003 SP2 or later
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2003 R2
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows Server 2012

For a full list of system requirements, see product release notes.

Support & Services

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