GALsync | Integrate Multiple Active Directory Forests


GALsync is an easy to use and cost effective solution that allows you to share Exchange mail-enabled objects between forests. Sharing objects helps users in one or both messaging organizations access information about users and groups of the opposite Active Directory.

GALsync supports InterOrg Free/Busy Replication between Exchange messaging organization, which allows users to view free/busy calendar information for Microsoft Exchange contacts. Access to free/busy data between untrusted forests is also provided for Exchange versions 2003 - 2016 as well as Office 365.

  • Fast Installation

    Install & configure in less than 1 hour!

  • Easy Setup

    Configuration is done by wizards which walk you through each step.

  • No Extra Needed

    No additional software, hardware or database is required.

  • No Security Risk

    There is no security risks at your firewall and no additional firewall port is required.

  • Trust between Exchange Orgs Not Required

    Does not require any trust between Exchange organizations.

  • Access to Availability Server Not Required

    Does not require any access to Availability Service through internet. All information can be exchanged by using E-mail, FTP or Fileshares.

If looking for an ultimate Active Directory integration tool, you will hardly find an alternative to GALsync. Perfectly functional, affordable and always efficient, it will save you tons of time and money, no matter if you are performing a one-time migration or doing that on a permanent basis!"

- Smart Review,

Common Directory Synchronization Scenarios

  • Multi-Forest Company Deployment

    Some companies have deployed multiple Active Directory structures, thus, users cannot find the mail address of colleagues located at the other sites in Outlook’s Global Address List.

    With GALsync, all mail addresses will be present in Outlook.

  • Mergers & Acquisitions

    After a merger or acquisition, it is necessary to integrate different Active Directories and Exchange organizations.

    GALsync streamlines the process of sharing all the subsets of all user and group information for Outlook/Exchange users in the Global Address List.

  • Share Addresses with your Partners

    If your company has a partner company with whom you collaborate on a regular basis, GALsync will enable you to share some user and free busy information for Outlook and Exchange users in the Global Address List.

  • Migration

    When it comes time for your company to migrate to a new Exchange organization, GALsync ensures that all migrated users may send messages to users in the original organization and vice versa.

QuoteThe setup and creation of an export policy was so simple I had to pinch myself. We will have far fewer man hours in the install/testing/implementation of this product than just the install of IIFP!" - Rob Brotherton, Systems Engineer, Keystone Mercy Health

System Requirements

  • Windows Server:
    2008 - 2012 R2

    Microsoft Exchange Server:
    Exchange 2007 SP1 - Exchange 2016, or Exchange Online

    Disk Space 512 MB,
    Memory 2 GB

  • Additional Software:
    Microsoft .NET Framework GALsync 4: 2.0+
    GALsync 7: 4.5.1+
    Powershell 2.0+
  • Net Sec

QuoteGALsync is one of those products that does exactly what it advertises. It is easy to install and configure. The GUI was polished and easy to work with. GALsync is cost effect and feature rich." - MSExchange Product Review
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