CloudM Migrate System Requirements


  • 64 bit Operating system: Windows Server 2016+ (Clean build recommended)
  • Microsoft .NET Framework 4.8
  • Recommended system specification - Primary Server:
    • 3GHz 8 Core Processor or better
    • 200+GB Disk space
    • 16+GB Memory
  • Recommended system specification - Secondary Server(s):
    • 3GHz 4 Core Processor or better
    • 100GB Disk space
    • 8+GB Memory

Any available Windows updates should be installed and the machine rebooted prior to installation, and a full system administrator is recommended for installation.

Large Migrations Infrastructure

A 'large migration' is considered to be a migration of over 25,000 users or 10 million objects. Please ensure you refer to the following articles for additional considerations:

Contact the support team if you are storing Drive document mappings and running a large migration.

Note for GroupWise and Lotus Notes Migrations

When migrating from Novell GroupWise or IBM Lotus Notes / Domino, you must install the 32bit version of CloudM Migrate Self Hosted. This must still be installed on a 64bit operating system.


The migration tool supports migration from the following source platforms:

  • Novell GroupWise 6.5.6 or higher, including archives
  • Lotus Notes 6.0.2 or higher (up to version 10)
  • Microsoft Exchange 2007 or higher
  • Microsoft 365
  • Exchange Online Archives
  • PST archives
  • OneDrive for Business
  • Scalix 11 or higher
  • Zimbra 7.2.2 or higher
  • Generic IMAP
  • Google Workspace for Business/Education
  • File System
  • Mail Archives (mbox, EML)
  • Box
  • Dropbox for Business
  • Microsoft Azure Storage
  • Google Cloud Storage

Migration can be performed to the following platforms:

  • Google Workspace for Business/Education and Google Drive
  • Google Vault
  • Microsoft Exchange 2007 or higher
  • Microsoft 365 and OneDrive for Business/SharePoint
  • Exchange Online Archives
  • Microsoft Azure Storage
  • Google Cloud Storage

The following extra software is required for the tool to operate:

  • Microsoft .NET Framework version 4.7.2
  • When migrating from GroupWise
    • 32 bit installation of CloudM Migrate
    • Novell GroupWise Client 6.5.6 or higher
    • Novell Client 4.91SP4 or higher
  • When migrating from IBM Lotus Notes/Domino
    • 32 bit installation of CloudM Migrate
    • Lotus Notes Client 6.0.2 or higher (up to version 10)
  • Microsoft Exchange 2007/2010/2013/2016 and Office 365
    • PowerShell 3.0/4.0 (Requires TLS 1.2+ as Microsoft have removed support for any version below)

CloudM Migrate migrates data over HTTPS, and therefore, port 443 must be open.

Please refer to the following article for more information regarding Ports: here

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